Journal articles: 'Non-vascular plants'

1

RAVEN, J. A. "Long-distance transport in non-vascular plants." Plant, Cell & Environment 26, no. 1 (January 2003): 73–85. http://dx.doi.org/10.1046/j.1365-3040.2003.00920.x.

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Schneider-Poetsch, Hansjörg A. W., Üner Kolukisaoglu, David H. Clapham, Jon Hughes, and Tilman Lamparter. "Non-angiosperm phytochromes and the evolution of vascular plants." Physiologia Plantarum 102, no. 4 (April 1998): 612–22. http://dx.doi.org/10.1034/j.1399-3054.1998.1020417.x.

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Eldridge, David John. "Conservation of non-vascular plants in semi-arid conditions." Danthonia: newsletter of the Australian Network for Plant Conservation 8, no. 1 (June 1999): 1. http://dx.doi.org/10.5962/p.374085.

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Nicol, Lauren, Wojciech J. Nawrocki, and Roberta Croce. "Disentangling the sites of non-photochemical quenching in vascular plants." Nature Plants 5, no. 11 (October 28, 2019): 1177–83. http://dx.doi.org/10.1038/s41477-019-0526-5.

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Sato, Naoki, and Masaki Furuya. "Distribution of diacylglyceryltrimethylhomoserine and phosphatidylcholine in non-vascular green plants." Plant Science 38, no. 2 (March 1985): 81–85. http://dx.doi.org/10.1016/0168-9452(85)90134-7.

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Cameron, Robert. "Red Maple, Acer rubrum, Wetland Composition and Structure in Nova Scotia." Canadian Field-Naturalist 123, no. 3 (July 1, 2009): 221. http://dx.doi.org/10.22621/cfn.v123i3.968.

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Red Maple (Acer rubrum) wetlands occur when Red Maple dominated forest occupies imperfectly drained to saturated soils. Plots were established in 28 Red Maple wetlands in Nova Scotia to document structure and plant composition. Non-metric multidimensional scaling (NMDS) was used to assess vegetation differences by wetland type (floodplain, depression, slope) and geographic region (inland vs. coastal and western vs. eastern shore). Seventy-eight species of vascular plants and 35 species of non-vascular plants were found in plots. Two species of rare vascular plants and four rare Sphagnum species were found in plots or within the wetlands. Sphagnum species richness was very high. Red Maple wetlands are structurally complex, often having five distinct vertical layers. NMDS species composition analyses suggest little difference between wetland types and geographic regions. Given the diversity of vascular and non-vascular plants and the structural complexity of Red Maple wetlands in Nova Scotia, these wetlands make a significant contribution to the biodiversity and heterogeneity of the landscape.

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Hnatowich, Ian G., Eric G. Lamb, and Katherine J. Stewart. "Reintroducing Vascular and Non-Vascular Plants to Disturbed Arctic Sites: Investigating Turfs and Turf Fragments." Ecological Restoration 41, no. 1 (March 2023): 3–15. http://dx.doi.org/10.3368/er.41.1.3.

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Verloove, Filip, and Nicola Ardenghi. "New distributional records of non-native vascular plants in northern Italy." Natural History Sciences 2, no. 1 (June 30, 2015): 5. http://dx.doi.org/10.4081/nhs.2015.219.

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New distributional records of non-native vascular plants are provided for the Italian regions Piemonte, Lombardia and Emilia-Romagna. <em>Panicum</em> <em>barbipulvinatum</em> is reported for the first time from Italy.

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Knoll, A. H., S. W. F. Grant, and J. W. Tsao. "The Early Evolution of Land Plants." Notes for a Short Course: Studies in Geology 15 (1986): 45–63. http://dx.doi.org/10.1017/s0271164800001329.

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Vascular plants are the most conspicuous organisms on Earth, accounting for some 97 % of our planet's standing biomass. The nearly 300,000 extant vascular plant species exhibit tremendous morphological and ecological diversity. Along with the 20,000 or more species of bryophytes, algae, lichens, and cyanobacteria that also live on land, they fuel a complex terrestrial ecosystem containing animals, fungi, protozoans, and bacteria. The richness of terrestrial life has evolved during the last 10 % of Earth history; there is no evidence for non-microbial land plants or animals in rocks older than the mid-Ordovician.

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Rosenstiel, Todd N., and Sarah M. Eppley. "Long-lived sperm in the geothermal bryophyte Pohlia nutans." Biology Letters 5, no. 6 (July 29, 2009): 857–60. http://dx.doi.org/10.1098/rsbl.2009.0380.

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Non-vascular plants rely on sperm to cross the distance between male and female reproductive organs for fertilization and sexual reproduction to occur. The majority of non-vascular plants have separate sexes, and thus, this distance may be a few millimetres to many metres. Because sperm need water for transport, it has been assumed that sperm lifespans are short and that this type of sexual reproduction limits the expansion of non-vascular plants in terrestrial environments. However, little data is available on the lifespan of sperm in non-vascular plants, and none is available for bryophytes, the group thought to have first colonized terrestrial habitats. Here, we documented the lifespan of sperm of Pohlia nutans , collected from a geothermal spring's area, and tested the effects of variation under environmental conditions on this lifespan. Surprisingly, 20 per cent of the sperm were still motile after 100 h, and sperm lifespan was not significantly affected by temperature variation between 22 and 60°C. Lifespan was significantly affected by sperm dilution and temperatures above 75°C. These results suggest the need to reconsider the importance of sperm motility in bryophyte fertilization.

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Morozov, Sergey Y., Irina A. Milyutina, Vera K. Bobrova, Dmitry Y. Ryazantsev, Tatiana N. Erokhina, Sergey K. Zavriev, Alexey A. Agranovsky, Andrey G. Solovyev, and Alexey V. Troitsky. "Structural evolution of the 4/1 genes and proteins in non-vascular and lower vascular plants." Biochimie 119 (December 2015): 125–36. http://dx.doi.org/10.1016/j.biochi.2015.10.019.

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Cordero, Sebastián, Francisca Galvez, and Gastón O. Carvallo. "Biodiversity-productivity relationship in urban vascular flora: a comparison between wild edible and non-edible plants." Botanical Sciences 100, no. 1 (October 1, 2021): 107–19. http://dx.doi.org/10.17129/botsci.2892.

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Background: Wild edible plants are species that are not cultivated but can be consumed as food. These plants may exhibit the highest taxonomic and phylogenetic diversity within urban floras, since they have a longer history of use associated with humans than non-edible plants. Also, because biodiversity is strongly associated with biomass, edible plants plant might show higher productivity (biomass per site) than non-edible plants. Questions: Is taxonomic and phylogenetic diversity of wild edible plants higher than non-edibles within urban areas? Is the alpha-biodiversity of wild edible plants positively related to biomass productivity in urban areas? Study sites and years of study: Cities of the coastal Mediterranean-type ecosystem, central Chile, 2015 and 2016. Methods: We characterized the taxonomic and phylogenetic diversity of urban flora differentiating wild edible and non-edible plants. Then, we assessed whether alpha-diversity of assemblages is related to their biomass productivity. Results: Both taxonomic and phylogenetic diversity were higher for edibles than non-edible plants. For edible plants, biomass was positively related to species richness and negatively with the mean phylogenetic diversity (MPD, a measure of evolutionary relationship among plants within an assemblage). Conclusions: Species richness is a suitable proxy to estimate wild edible plant diversity and their biomass in cities surpassing other proxies, such as phylogenetic diversity. Negative effect of MPD on biomass suggests that only a subgroup of related plants, possibly highly adapted to urban conditions, contribute to edible plant production. The distinction between wild edible and non-edible plants offers a better understanding of the assembly rules and biodiversity-biomass relationship within urban floras.

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Waldren, Steve, Marshall I. Wesiler, John G. Hather, and Dylan Morrow. "The non-native vascular plants of Henderson Island, South Central Pacific Ocean." Atoll Research Bulletin 463 (1999): 1–14. http://dx.doi.org/10.5479/si.00775630.463.1.

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St. Martin, Philippe, and Azim U. Mallik. "The status of non-vascular plants in trait-based ecosystem function studies." Perspectives in Plant Ecology, Evolution and Systematics 27 (August 2017): 1–8. http://dx.doi.org/10.1016/j.ppees.2017.04.002.

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Baluška, František, and Stefano Mancuso. "Individuality, self and sociality of vascular plants." Philosophical Transactions of the Royal Society B: Biological Sciences 376, no. 1821 (February 8, 2021): 20190760. http://dx.doi.org/10.1098/rstb.2019.0760.

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Vascular plants are integrated into coherent bodies via plant-specific synaptic adhesion domains, action potentials (APs) and other means of long-distance signalling running throughout the plant bodies. Plant-specific synapses and APs are proposed to allow plants to generate their self identities having unique ways of sensing and acting as agents with their own goals guiding their future activities. Plants move their organs with a purpose and with obvious awareness of their surroundings and require APs to perform and control these movements. Self-identities allow vascular plants to act as individuals enjoying sociality via their self/non-self-recognition and kin recognition. Flowering plants emerge as cognitive and intelligent organisms when the major strategy is to attract and control their animal pollinators as well as seed dispersers by providing them with food enriched with nutritive and manipulative/addictive compounds. Their goal in interactions with animals is manipulation for reproduction, dispersal and defence. This article is part of the theme issue ‘Basal cognition: multicellularity, neurons and the cognitive lens’.

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Číhal, Lukáš. "Bryophytes in a Changing World: Understanding Distribution Patterns, Risks, and Conservation." Diversity 15, no. 5 (May 10, 2023): 647. http://dx.doi.org/10.3390/d15050647.

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Chamorro-Flores, Alejandra, Axel Tiessen-Favier, Josefat Gregorio-Jorge, Miguel Angel Villalobos-López, Ángel Arturo Guevara-García, Melina López-Meyer, and Analilia Arroyo-Becerra. "High levels of glucose alter Physcomitrella patens metabolism and trigger a differential proteomic response." PLOS ONE 15, no. 12 (December 4, 2020): e0242919. http://dx.doi.org/10.1371/journal.pone.0242919.

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Sugars act not only as substrates for plant metabolism, but also have a pivotal role in signaling pathways. Glucose signaling has been widely studied in the vascular plant Arabidopsis thaliana, but it has remained unexplored in non-vascular species such as Physcomitrella patens. To investigate P. patens response to high glucose treatment, we explored the dynamic changes in metabolism and protein population by applying a metabolomic fingerprint analysis (DIESI-MS), carbohydrate and chlorophyll quantification, Fv/Fm determination and label-free untargeted proteomics. Glucose feeding causes specific changes in P. patens metabolomic fingerprint, carbohydrate contents and protein accumulation, which is clearly different from those of osmotically induced responses. The maximal rate of PSII was not affected although chlorophyll decreased in both treatments. The biological process, cellular component, and molecular function gene ontology (GO) classifications of the differentially expressed proteins indicate the translation process is the most represented category in response to glucose, followed by photosynthesis, cellular response to oxidative stress and protein refolding. Importantly, although several proteins have high fold changes, these proteins have no predicted identity. The most significant discovery of our study at the proteome level is that high glucose increase abundance of proteins related to the translation process, which was not previously evidenced in non-vascular plants, indicating that regulation by glucose at the translational level is a partially conserved response in both plant lineages. To our knowledge, this is the first time that metabolome fingerprint and proteomic analyses are performed after a high sugar treatment in non-vascular plants. These findings unravel evolutionarily shared and differential responses between vascular and non-vascular plants.

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Ramos, Flavio Nunes, Sara Ribeiro Mortara, Nathalia Monalisa‐Francisco, João Pedro Costa Elias, Luiz Menini Neto, Leandro Freitas, Rodrigo Kersten, et al. "ATLANTIC EPIPHYTES : a data set of vascular and non‐vascular epiphyte plants and lichens from the Atlantic Forest." Ecology 100, no. 2 (February 2019): e02541. http://dx.doi.org/10.1002/ecy.2541.

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19

Matheson, Fleur E., Mary D. de Winton, John S. Clayton, Tracey M. Edwards, and Trevor J. Mathieson. "Responses of vascular (Egeria densa) and non-vascular (Chara globularis) submerged plants and oospores to contrasting sediment types." Aquatic Botany 83, no. 2 (October 2005): 141–53. http://dx.doi.org/10.1016/j.aquabot.2005.05.010.

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20

EDWARDS, DIANNE. "Dispersed cuticles of putative non-vascular plants from the Lower Devonian of Britain." Botanical Journal of the Linnean Society 93, no. 3 (October 1986): 259–75. http://dx.doi.org/10.1111/j.1095-8339.1982.tb01025.x.

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21

Potapov, Anton M., Anastasiya Yu Korotkevich, and Alexei V. Tiunov. "Non-vascular plants as a food source for litter-dwelling Collembola: Field evidence." Pedobiologia 66 (January 2018): 11–17. http://dx.doi.org/10.1016/j.pedobi.2017.12.005.

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Jabnoun-Khiareddine, Hayfa, Boutheina Mejdoub-Trabelsi, Rania Aydi Ben Abdallah, Riad Sedki Riad El-Mohamedy, and Mejda Daami-Remadi. "Efficacy of Organic Amendments and Soil Solarization against Wilt Severity and their Effects on Pathogenic Fungi and Tomato Production." International Journal of Phytopathology 9, no. 2 (August 28, 2020): 93–103. http://dx.doi.org/10.33687/phytopath.009.02.3317.

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Soil solarization coupled or not with three soil amendments (cattle manure, bio-compost, and Biocat-15) was evaluated for its efficacy against vascular wilt severity on tomato plants grown under greenhouse conditions in a naturally infested soil. In solarized plots, wilt severity, estimated through the vascular discoloration extent and noted on randomly selected tomato plants, was significantly reduced following all the tested organic amendments. Complete wilt suppression was achieved using cattle manure. Vascular wilt severity noted on symptomatic tomato plants was 28% higher in non-solarized plots than in solarized ones and this for all organic amendments combined. Plots amended with Biocat-15 showed 29% less disease severity as compared to the two other treatments. Fungal isolations performed on Potato Dextrose Agar medium from roots, collars and stems of symptomatic and randomly selected plants, revealed the involvement of Fusarium oxysporum, F. solani, Rhizoctonia solani, Colletotrichum coccodes and R. bataticola in the observed wilts. Their isolation frequencies varied depending on wilt severity, solarization treatments (solarized or non-solarized) and tested soil amendments. Tomato production varied significantly depending on solarization treatments and tested organic amendments. Plants amended with cattle manure yielded significantly comparable production in the solarized and non-solarized plots while this production parameter was reduced by 19 and 27% following Biocompost and Biocat-15 treatments, respectively, on tomato plants grown in non-solarized plots. As for solarization effects, for all organic amendments combined, tomato production was significantly reduced by about 15% in the non-solarized greenhouse compared to the solarized one. Results from the current study showed that, under natural Tunisian conditions, single application of solarization combined with organic amendment not only reduced wilt severity, but also significantly enhanced tomato production. Thus, the repetitive combination of solarization and organic amendments could be a credible alternative for managing various soilborne fungal diseases and improving tomato yield in heavily infested fields.

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Field, Katie J., Jeffrey G. Duckett, Duncan D. Cameron, and Silvia Pressel. "Stomatal density and aperture in non-vascular land plants are non-responsive to above-ambient atmospheric CO2concentrations." Annals of Botany 115, no. 6 (April 8, 2015): 915–22. http://dx.doi.org/10.1093/aob/mcv021.

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Tuba, Zoltán, Michael C. F. Proctor, and Zoltán Takács. "Desiccation-Tolerant Plants under Elevated Air CO2: A Review." Zeitschrift für Naturforschung C 54, no. 9-10 (October 1, 1999): 788–96. http://dx.doi.org/10.1515/znc-1999-9-1027.

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This article summarises present knowledge of the ecophysiological responses to elevated atmospheric CO2 of desiccation tolerant (DT) plants. It deals primarily with lichens and bryophytes, as the most prominent groups of DT photosynthetic organisms, but includes some comment on algae and vascular DT plants. Results of research on DT plants are compared with those on desiccation sensitive vascular C3 plants, the most widely investigated group in the field of global change. Both DT and non-DT plants show an immediate positive response of photosynthesis to elevated CO2, but in both groups the longer term effect is generally reduced (or even reversed) by down-regulation or feedback inhibition of photosynthesis, or other limitations on production and growth. In bryophytes and lichens, enhanced short-term photosynthesis may or may not be reflected in increased production; bryophytes have limited source-sink differentiation, and lichens invest excess photosynthate in secondary metabolites. DT plants may gain some advantage from elevated CO2 at both low and excessive water contents. Neither theoretical considerations nor experimental results suggest that elevated atmospheric CO2 will lead to any substantial shift in the balance of advantage between DT and non-DT plants

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Kuzovenko, Oksana Anatolyevna, Evgeniy Sergeevich Korchikov, and Elena Vasilyevna Sochneva. "Variety of plants and fungi of the Krasnoyarsk forestry near the Zharenyi Bugor village." Samara Journal of Science 7, no. 4 (November 30, 2018): 64–68. http://dx.doi.org/10.17816/snv201874111.

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There are 298 species of vascular plants from 205 genera, 60 families, 5 classes and 4 divisions, as well as 30 species of lichen-forming and 6 species of non-lichen-forming fungi in the Krasnoyarsk forestry near the Zharenyi Bugor village. Most species of vascular plants belong to the divisio of Spermatophyta (293 species, 98,3%), a small number of species belong to the divisio of Equisetophyta (2 species, 0,67%), Pteridophyta (2 species, 0,67%) and Ophioglossophyta (1 species, 0,33%). The taxonomical diversity of Krasnoyarsk forestry is quite high. The average number of species in the family of vascular plants is 4,96. There are 10 families, which occupy the leading position, including 187 species (62,75% of the total number of species): Asteraceae - 35 species (11,74%), Poaceae - 26 (8,72%), Rosaceae - 23 (7,71%), Fabaceae - 20 (6,71%), Lamiaceae - 19 (6,37%), Ranunculaceae 15 (5,03%), Scrophulariaceae - 14 (4,70%), Caryophyllaceae - 13 (4,36%), Brassicaceae - 12 (4,03%), Apiaceae - 10 (3,36%). On the study area, the species of vascular plants Adonanthe vernalis , A. volgensis , Cephalanthera rubra , Cypripedium calceolus , Fritillaria ruthenica , Helichrysum arenarium , Gladiolus tenuis , Ophioglossum vulgatum , Platanthera bifolia , Pulsatilla patens , Pyrola rotundifolia , Stipa pennata , Tulipa biebersteiniana , as well as lichen-forming fungi Cladonia arbuscula , Cladonia rangiferina and non-lichen-forming fungi Fistulina hepatica , Geastrum fimbriatum , Hericium coralloides are in the Red Book of the Samara Region. The rare species excluded from the second edition of the Red Book of the Samara Region are Epipactis helleborine , Gentiana cruciata , Hypericum elegans , Lychnis chalcedonica , Myostis alpestris , Populus alba .

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Bonet, M. Àngels, and Joan Vallès. "Use of non-crop food vascular plants in Montseny biosphere reserve (Catalonia, Iberian Peninsula)." International Journal of Food Sciences and Nutrition 53, no. 3 (January 2002): 225–48. http://dx.doi.org/10.1080/09637480220132841.

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Brown, M. J., S. J. Jarman, and G. Kantvilas. "Conservation and reservation of non-vascular plants in Tasmania, with special reference to lichens." Biodiversity and Conservation 3, no. 3 (April 1994): 263–78. http://dx.doi.org/10.1007/bf00055942.

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DiMichele, William A., Tom L. Phillips, and Debra A. Willard. "Morphology and Paleoecology of Pennsylvanian-Age Coal-Swamp Plants." Notes for a Short Course: Studies in Geology 15 (1986): 97–114. http://dx.doi.org/10.1017/s0271164800001354.

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There were two major kinds of Pennsylvanian-age tropical swamps: coal swamps, represented by most coal seams, and clastic swamps, commonly associated with coal as roof shale or sandstone floras. Such environments were part of depositionally-complex lowlands that also included non-swamp habitats. In general, the Pennsylvanian-age coal and clastic swamps were dominated by non-seed (lower vascular, spore-producing) plants, and the mesic, non-swamp vegetation was characterized by seed-plant (pollen-producing) dominance. On occasion, some drier-site kinds of vegetation are preserved, providing a glimpse of other kinds of plants in the lowland regions of the tropical belt; among these are the earliest known conifers (Scott and Chaloner, 1983) in the Middle Pennsylvanian.

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Pathania, Mamta Singh, Anju Rao, Sunita Kapila, Dhirendra Singh Pathania, Payal Bhardwaj, and S. S. Kumar. "Distribution and pH Relationship Studies in Some Mosses Growing in Polluted Sites." Indian Journal of Pharmaceutical and Biological Research 7, no. 01 (March 31, 2019): 01–04. http://dx.doi.org/10.30750/ijpbr.7.1.1.

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Bryophytes (non- vascular land plants) owing to their simple morphological, anatomical structures, worldwide in distribution, and forming an important component of forest ecosystem can be of immense importance in determining the prevailing edaphic conditions(hydrogen ion concentration) by their distribution patterns. Especially, mosses that are highly versatile due to their adaptability to different substrata can be used all the year round in the laboratory and in-situ to monitor the area in every season, suggesting their wider use as bio-indicators as compared to higher vascular plants which are comparatively difficult to handle.

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Yangin, Selami, Sabri Sidekli, and Yasin Gokbulut. "PROSPECTIVE TEACHERS’ MISCONCEPTIONS ABOUT CLASSIFICATION OF PLANTS AND CHANGES IN THEIR MISCONCEPTIONS DURING PRE-SERVICE EDUCATION." Journal of Baltic Science Education 13, no. 1 (February 25, 2014): 105–17. http://dx.doi.org/10.33225/jbse/14.13.105.

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This study reported herein aimed to reveal prospective teachers’ misconceptions about classification of plants and the effect of pre-service education program on their correct conceptions of this biological issue. Prospective teachers majoring in Elementary School Classroom Teacher Education constituted the target population of this study during the fall semester of the 2012-2013 academic years from Turkey. In order to reveal the difference between the misconceptions of prospective teachers who are at the beginning and at the end of their university education, the research was conducted as a cross-sectional study (78 first and 84 fourth class). The results showed that the prospective teachers in both groups have misconceptions and considerable confusion over the concepts of without-seed plants, seedy plants, vascular plants, non-vascular plants, gymnosperm plants, angiosperm plants, fruit and vegetable. In addition, the pre-service education did not seem to have an important effect on correction of prospective teachers’ misconceptions about classification of plants. In this context, prospective teachers are graduated with misconceptions about classification of plants. Key words: biology, classification of plants, misconceptions, prospective teachers.

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Bousquet-Antonelli, Cécile. "LARP6 proteins in plants." Biochemical Society Transactions 49, no. 5 (October 28, 2021): 1975–83. http://dx.doi.org/10.1042/bst20200715.

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RNA binding proteins, through control of mRNA fate and expression, are key players of organism development. The LARP family of RBPs sharing the La motif, are largely present in eukaryotes. They classify into five subfamilies which members acquired specific additional domains, including the RRM1 moiety which teams up with the La motif to form a versatile RNA binding unit. The LARP6 subfamily has had a peculiar history during plant evolution. While containing a single LARP6 in algae and non-vascular plants, they expanded and neofunctionalized into three subclusters in vascular plants. Studies from Arabidopsis thaliana, support that they acquired specific RNA binding properties and physiological roles. In particular LARP6C participates, through spatiotemporal control of translation, to male fertilization, a role seemingly conserved in maize. Interestingly, human LARP6 also acts in translation control and mRNA transport and similarly to LARP6C which is required for pollen tube guided elongation, is necessary to cell migration, through protrusion extension. This opens the possibility that some cellular and molecular functions of LARP6 were retained across eukaryote evolution. With their peculiar evolutionary history, plants provide a unique opportunity to uncover how La-module RNA binding properties evolved and identify species specific and basal roles of the LARP6 function. Deciphering of how LARP6, in particular LARP6C, acts at the molecular level, will foster novel knowledge on translation regulation and dynamics in changing cellular contexts. Considering the seemingly conserved function of LARP6C in male reproduction, it should fuel studies aimed at deriving crop species with improved seed yields.

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Hofmann, Nancy Rosenbaum, and Steven M. Theg. "Physcomitrella patens as a model for the study of chloroplast protein transport: conserved machineries between vascular and non-vascular plants." Plant Molecular Biology 53, no. 5 (November 2003): 643–54. http://dx.doi.org/10.1023/b:plan.0000019065.31490.06.

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Durkovic, Jaroslav, František Kačik, Miroslava Mamonova, Rastislav Lagana, Iigrid Canova, Josef Urban, and Jana Krajnakova. "New insights into Dutch Elm Disease: cell wall compositional, ecophysiological, vascular and nanomechanical assessments." BALTIC FORESTRY 25, no. 1 (February 19, 2019): 10–14. http://dx.doi.org/10.46490/vol25iss1pp010.

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Comprehensive assessments were made of the chemical profiles of woody cell wall components, and also leaf growth, ecophysiological, vascular and nanomechanical traits for two Dutch elm hybrids 'Groeneveld' and 'Dodoens' which possess contrasting tolerances toward Dutch elm disease. Upon infection with Ophiostoma novo-ulmi ssp. americana × novo-ulmi, medium-molecular weight macromolecules of cellulose were degraded in both hybrids. A loss of crystalline and non-crystalline cellulose regions occurred in parallel. In 'Groeneveld' plants, syringyl-rich lignin provided a far greater degree of protection from cellulose degradation, but only guaiacyl-rich lignin in 'Dodoens' plants was involved in a successful defence against the fungus. Unexpectedly, we found a very high proportion of non-significant differences between the infected and non-infected plants of 'Dodoens', including similarities in leaf growth, leaf gas exchange and leaf midrib vascular traits, as well as in the nanomechanical properties of the cell walls of tracheary elements such as modulus of elasticity, adhesion and energy dissipation. Three years after initial inoculations, except for a few traits such as leaf slenderness, relative chlorophyll content, transpiration rate and sap flow density in branches, we found no evidence of a decrease in leaf trait performances among the infected plants of 'Dodoens', despite the occasional persistence of fungal hyphae in the lumens of leaf midrib tracheary elements.

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Beilman, David W. "Plant community and diversity change due to localized permafrost dynamics in bogs of western Canada." Canadian Journal of Botany 79, no. 8 (August 1, 2001): 983–93. http://dx.doi.org/10.1139/b01-070.

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Localized permafrost formation and melt at the southern limit of permafrost has a large effect on boreal bog plant community structure and diversity in continental western Canada (Alberta, Saskatchewan, and Manitoba). Non-metric multidimensional scaling ordinations show that non-permafrost-affected bogs, areas currently underlain by permafrost (frost mounds), and areas of permafrost degradation (internal lawns) have distinct plant communities. Bryophytes respond more strongly than vascular plants to lengthened environmental gradients in the bogs studied. Seventy-two vascular plant and bryophyte species were found, with mean alpha diversity (species richness) similar in bogs and internal lawns (22.6 and 22.1) and lowest on frost mounds (15.6). Beta diversity (species turnover between landforms) is greater for bryophytes (4.22) than vascular plants (2.54). Comparisons within internal lawns show highly variable height above water table, community composition, and species diversity in wet communities and reduced variability as peat accumulates and converges on dry surfaces dominated by Sphagnum fuscum (Schimp.) Klinggr. Overall, localized permafrost dynamics increase bog plant diversity by 47% by introduction of unique dry, shaded (frost mound) and wet, open (internal lawn) conditions absent from non-permafrost-affected bogs, making localized permafrost bogs one of the most bryologically diverse peatland types in western Canada.Key words: peatlands, bryophytes, plant communities, non-metric multidimensional scaling ordination, permafrost, climate change.

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Su, Xiangping, Minhuang Wang, Zhiqun Huang, Songling Fu, and Han Y. H. Chen. "Forest Understorey Vegetation: Colonization and the Availability and Heterogeneity of Resources." Forests 10, no. 11 (October 24, 2019): 944. http://dx.doi.org/10.3390/f10110944.

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Understorey vegetation comprises a major portion of plant diversity and contributes greatly to nutrient cycling and energy flow. This review examines the mechanisms involved in the response of understorey vegetation to stand development and the overstorey canopy following disturbances. The overall abundance and diversity of the understorey is enhanced with the availability and heterogeneity of light, soil nutrients, soil moisture, and substrates. Vascular plants are positively impacted by the availability and heterogeneity of light and soil nutrients, whereas non-vascular vegetation is more strongly influenced by colonization time, soil moisture, and substrates, and is decreased with a higher proportion of broadleaf overstorey. The availability of resources is a prominent driver toward the abundance and diversity of understorey vegetation, from the stand initiation to stem exclusion stage under a single-species dominated overstorey. However, resource heterogeneity dominates at the later stages of succession under a mixed overstorey. Climate and site conditions modify resource availability and heterogeneity in the understorey layer, but the extent of their influences requires more investigation. Forest management practices (clearcutting and partial harvesting) tend to increase light availability and heterogeneity, which facilitates the abundance and diversity of understorey vascular plants; however, these factors reduce the occurrence of non-vascular plants. Nevertheless, in the landscape context, anthropogenic disturbances homogenize environmental conditions and reduce beta-diversity, as well, the long-term effects of anthropogenic disturbances on understorey vegetation remain unclear, particularly compared with those in primary forests.

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Morozov, Sergey Y., Irina A. Milyutina, Tatiana N. Erokhina, Liudmila V. Ozerova, Alexey V. Troitsky, and Andrey G. Solovyev. "TAS3 miR390-dependent loci in non-vascular land plants: towards a comprehensive reconstruction of the gene evolutionary history." PeerJ 6 (April 16, 2018): e4636. http://dx.doi.org/10.7717/peerj.4636.

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Trans-acting small interfering RNAs (ta-siRNAs) are transcribed from protein non-coding genomic TAS loci and belong to a plant-specific class of endogenous small RNAs. These siRNAs have been found to regulate gene expression in most taxa including seed plants, gymnosperms, ferns and mosses. In this study, bioinformatic and experimental PCR-based approaches were used as tools to analyze TAS3 and TAS6 loci in transcriptomes and genomic DNAs from representatives of evolutionary distant non-vascular plant taxa such as Bryophyta, Marchantiophyta and Anthocerotophyta. We revealed previously undiscovered TAS3 loci in plant classes Sphagnopsida and Anthocerotopsida, as well as TAS6 loci in Bryophyta classes Tetraphidiopsida, Polytrichopsida, Andreaeopsida and Takakiopsida. These data further unveil the evolutionary pathway of the miR390-dependent TAS3 loci in land plants. We also identified charophyte alga sequences coding for SUPPRESSOR OF GENE SILENCING 3 (SGS3), which is required for generation of ta-siRNAs in plants, and hypothesized that the appearance of TAS3-related sequences could take place at a very early step in evolutionary transition from charophyte algae to an earliest common ancestor of land plants.

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Barker, Hugh, Kara D. McGeachy, Eugene V. Ryabov, Uli Commandeur, Mike A. Mayo, and Michael Taliansky. "Evidence for RNA-mediated defence effects on the accumulation of Potato leafroll virus." Journal of General Virology 82, no. 12 (December 1, 2001): 3099–106. http://dx.doi.org/10.1099/0022-1317-82-12-3099.

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In plants infected with Potato leafroll virus (PLRV), or other luteoviruses, infection is very largely confined to cells in the vascular system. Even in tobacco plants transformed with PLRV full-length cDNA, in which all mesophyll cells should synthesize infectious PLRV RNA transcripts, only a minority of the mesophyll cells accumulate detectable amounts of virus. We have explored this phenomenon further by transforming a better PLRV host, Nicotiana benthamiana, with the same transgene, by superinfecting transformed plants with Potato virus Y and by producing tobacco plants in which cells contained both PLRV cDNA and DNA encoding the P1/HC-Pro genes of the potyvirus Tobacco etch virus. A greater proportion of cells in superinfected plants or in doubly transgenic plants accumulated PLRV than did in singly transgenic tobacco plants. However, most cells in these plants did not accumulate virus. To investigate restriction of the multiplication of viruses containing PLRV sequences, transgenic plants were infected with a chimeric virus that consisted of Tobacco mosaic virus (TMV) containing genes for either the coat protein (CP) of PLRV or jellyfish green fluorescent protein (GFP) in place of the TMV coat protein. The virus that encoded PLRV CP spread more slowly and accumulated less extensively than did the virus that expressed GFP. The results support the suggestion that an RNA-mediated form of resistance that resembles post-transcriptional gene silencing operates in non-vascular cells and may be part of the mechanism that restricts PLRV to vascular tissue in conventionally infected plants.

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Cervantes-Pérez, Daniela, Angélica Ortega-García, Rigoberto Medina-Andrés, Ramón Alberto Batista-García, and Verónica Lira-Ruan. "Exogenous Nitric Oxide Delays Plant Regeneration from Protoplast and Protonema Development in Physcomitrella patens." Plants 9, no. 10 (October 16, 2020): 1380. http://dx.doi.org/10.3390/plants9101380.

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Nitric oxide (NO) has been recognized as a major player in the regulation of plant physiology and development. NO regulates cell cycle progression and cell elongation in flowering plants and green algae, although the information about NO function in non-vascular plants is scarce. Here, we analyze the effect of exogenous NO on Physcomitrella patens protonema growth. We find that increasing concentrations of the NO donor sodium nitroprusside (SNP) inhibit protonema relative growth rate and cell length. To further comprehend the effect of NO on moss development, we analyze the effect of SNP 5 and 10 µM on protoplast regeneration and, furthermore, protonema formation compared with untreated plants (control). Isolated protoplasts were left to regenerate for 24 h before starting the SNP treatments that lasted five days. The results show that SNP restrains the protoplast regeneration process and the formation of new protonema cells. When SNP treatments started five days after protoplast isolation, a decrease in cell number per protonema filament was observed, indicating an inhibition of cell cycle progression. Our results show that in non-vascular plants, NO negatively regulates plant regeneration, cell cycle and cell elongation.

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Surendran, Bichin Sheena, and Biunu Thomas. "The Diversity of Non-Vascular Land Plants (Bryophytes) in the Kakkayam Forests of Kerala, India." BioScientific Review 01, no. 04 (December 2019): 01–09. http://dx.doi.org/10.32350/bsr.0104.01.

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The current study on the bryophytes of Kakkayam Forests, Kerala, India revealed about 20 species of these plants documented in the study area. These documented species are classified in 13 families and 15 genera. The current observation also found that out of the 20 documented species 9 are common, 6 are uncommon and 5 are rarely distributed in the study area. More bryo-explorations are essential in unexplored areas for its proper documentation and conservation.

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Kato, Makoto. "First record of herbivory on Lycopodiaceae (Lycopodiales) by a dipteran (Pallopteridae) leaf/stem-miner." Canadian Entomologist 134, no. 5 (October 2002): 699–701. http://dx.doi.org/10.4039/ent134699-5.

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Evidence for herbivory on early vascular plants in the Paleozoic has recently been accumulated from trace fossils and coprolites (Edwards et al. 1995; Labandeira 1998), although it is not well understood which arthropods were true herbivores during the Paleozoic. The great diversity of extant herbivorous insects was thought to have originated in the Cretaceous, when the adaptive radiation of angiosperms occurred; thus, it would be intriguing to find ancient plant–herbivore interactions on extant primeval vascular plants. In this paper, I report a unique dipteran fly associated with a species of the class Lycopsida as the first record of non-lepidopteran herbivory on the extant plant order Lycopodiales.

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Le, Tuan Anh, Thi Han Tran, Thi Thuy Hoai Pham, and Van Bac Ha. "Diversity of non timber forest products (NTFPs)extracted from Dakrong nature reserve, Quang Tri province." Ministry of Science and Technology, Vietnam 63, no. 5 (May 31, 2021): 51–54. http://dx.doi.org/10.31276/vjst.63(5).51-54.

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Research on plant diversity for non-timber forest products (NTFPs) at Dakrong Nature Reserve, Quang Tri province. The study results have recorded 477 species, 325 genera, 119 families belonging to 5 vascular plant divisions, with Magnoliophyta accounting for 96.01% of the total number of species. The ten most diverse families of species have been identified. They are harvested from the forest to serve the lives of people and to sell. Useful plant resources comprise fibre plants 21 species (4.40%), medicinal plants 375 species (78.62%), foods plants 74 species (15.51%), aromatic plants 80 species (16.77%), ornament plants 124 species (26.00%), and plants for other products 36 species (7.55%). There are 29 species listed in the Vietnam Red Data Book (2007) and Decree 06/2019/ND-CP. The research results are the basis for the Dakrong Nature Reserve to manage and sustainably use plant resources for non-timber forest products in the study area.

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Šimonovičová, Alexandra. "Supplement to the Checklist of non-vascular and vascular plants of Slovakia. The species of microscopic fungi of the order Eurotiales." Czech Mycology 53, no. 2 (February 20, 2001): 173–88. http://dx.doi.org/10.33585/cmy.53206.

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Wight, David C. "Non-adaptive change in early land plant evolution." Paleobiology 13, no. 2 (1987): 208–14. http://dx.doi.org/10.1017/s0094837300008757.

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Primary vascular architecture of members of the Paleozoic Aneurophytales (Progymnosper-mopsida) is described. This architecture is somewhat more complex but fundamentally similar (homologous) to that of members of the Trimerophytina, putative ancestors of aneurophytes. It is suggested that the presence of complex stelar morphology in aneurophytes was epiphenomenal, a passive result of changes in growth and development in a trimerophyte-like ancestor. Specifically, I suggest that the evolutionary transformation in primary vascular architecture from haplostele to ribbed protostele was a direct consequence of changes that affected the vertical spacing and degree of organization of lateral appendages in early vascular plants. This view is in sharp contrast to adaptationist explanations of change in stelar morphology expressed by other authors and provides an example of non-adaptive change in evolution.

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Kutiel, Pua. "POSSIBLE ROLE OF BIOGENIC CRUSTS IN PLANT SUCCESSION ON THE SHARON SAND DUNES, ISRAEL." Israel Journal of Plant Sciences 46, no. 4 (May 13, 1998): 279–86. http://dx.doi.org/10.1080/07929978.1998.10676737.

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Sand dunes in the coastal plain are subjected to stabilization processes due to the increase of vegetation cover of both vascular and non-vascular plants (e.g., mosses, lichens, fungi, and cyanobacteria). The non-vascular plants form intimate associations with surface soils known as biogenic crusts. These crusts play a major role in pedologic and overland geomorphic processes. The spatial distribution of biogenic crusts on semi-stabilized and stabilized sand dunes of the Sharon coastal plain, and their effect on organic matter content and water regime in the soil, were analyzed. Results indicated that a small and discontinuous area of the semi-stabilized sand dunes was covered by biogenic crusts. This crust was mainly composed of mosses and was concentrated beneath shrubs. Nevertheless, 88% of the stabilized sand dunes were covered with biogenic crusts composed mainly of cyanobacteria. The levels of organic matter and the water content in the upper soil layer (0–2 cm) of the crusted sand were significantly higher than levels in the uncrusted sand. The water regime in the upper soil layer covered with mosses was higher than that covered by cyanobacteria crust. The water regime in the soil determined by the biogenic crust may play an important role in the vascular plant succession of the sand dunes.

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Andrews, M. Y., J. J. Ague, and R. A. Berner. "Weathering of soil minerals by angiosperm and gymnosperm trees." Mineralogical Magazine 72, no. 1 (February 2008): 11–14. http://dx.doi.org/10.1180/minmag.2008.072.1.11.

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AbstractWeathering of terrestrial Ca- and Mg-bearing silicate minerals is an important control on atmospheric CO2 on geological time scales. It has been determined that vascular plants can accelerate mineral weathering as compared to non-vascular plants or non-vegetated surfaces. This indicates that the evolution of vascular plants, particularly the deep-rooted trees, may play a large role in the long-term carbon cycle and its regulation of the atmosphere. The weathering impact of the separate evolutionary appearances of the gymnosperms in the Palaeozoic and the angiosperms in the Mesozoic, and the shifting ecological dominance from the former to the latter, is currently poorly understood. This study aims to contribute to our understanding of the quantitative weathering rates of the angiosperms and gymnosperms by examining plant-mineral interactions of the two tree types in a temperate field setting underlain by granodiorite. Results include determinations of soil element fluxes and etching of minerals. The observed root-mineral interactions resulted in only slightly more weathering of Ca-bearing minerals by the angiosperms. However, we observed significantly more weathering of the Mg-bearing minerals by the gymnosperms. These results suggest that increasing dominance of the angiosperms in forests in the Mesozoic may have had a small or neutral impact on accelerating overall mineral weathering and regulating CO2, but that this impact may be lithology-dependent.

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Saltykov, A. N., and A. I. Repetskaya. "Causes and consequences of deformations of vascular tissues of Crimean pine understory." Bulletin of the State Nikitsky Botanical Gardens, no. 135 (August 6, 2020): 38–49. http://dx.doi.org/10.36305/0513-1634-2020-135-38-49.

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A characteristic feature of the spatial structure of Crimean pine understory (Pinus pallasicma D. Don) coenopopulations is the uneven density of population fields, which has a fairly strong influence on the plants growth and development. As a rule, on the understory biogroup periphery there are individuals noticeably lagging in growth. With a significant density of plants and a high level of intraspecific competition in the biogroup center, the opposite effect is observed by the researchers. So far, there is no explanation for the mechanism of such differentiation of plants confined to different, sometimes diametrically opposite environmental conditions. Therefore we studied the anatomical and morphological structure of plants confined to diffuse competition zones, as well as non-closed canopy cultures of Crimean pine with low capacity for survival. The results of microscopic studies allowed us to discover deformed vascular tissues of the understory confined to the diffuse competition zones of existing cenopopulations. In each case, the level of vascular tissues deformation will depend on the features of cenopopulations mutual influence, the autoregulation of its structure in accordance with the capacity of the ecological niche.

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Jiménez-López, Domingo, Beatriz Xoconostle-Cázares, Berenice Calderón-Pérez, Brenda Yazmín Vargas-Hernández, Leandro Alberto Núñez-Muñoz, José Abrahán Ramírez-Pool, and Roberto Ruiz-Medrano. "Evolutionary and Structural Analysis of PP16 in Viridiplantae." International Journal of Molecular Sciences 25, no. 5 (February 29, 2024): 2839. http://dx.doi.org/10.3390/ijms25052839.

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Members of the phloem protein 16 (PP16) gene family are induced by elicitors in rice and the corresponding proteins from cucurbits, which display RNA binding and intercellular transport activities, are accumulated in phloem sap. These proteins facilitate the movement of protein complexes through the phloem translocation flow and may be involved in the response to water deficit, among other functions. However, there is scant information regarding their function in other plants, including the identification of paralog genes in non-vascular plants and chlorophytes. In the present work, an evolutionary and structural analysis of the PP16 family in green plants (Viridiplantae) was carried out. Data mining in different databases indicated that PP16 likely originated from a larger gene present in an ancestral lineage that gave rise to chlorophytes and multicellular plants. This gene encodes a protein related to synaptotagmin, which is involved in vesicular transport in animal systems, although other members of this family play a role in lipid turnover in endomembranes and organelles. These proteins contain a membrane-binding C2 domain shared with PP16 proteins in vascular plants. In silico analysis of the predicted structure of the PP16 protein family identified several β-sheets, one α-helix, and intrinsically disordered regions. PP16 may have been originally involved in vesicular trafficking and/or membrane maintenance but specialized in long-distance signaling during the emergence of the plant vascular system.

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Rigat, Montse, Maria [Agrave]ngels Bonet, Sònia Garcia, Teresa Garnatje, and Joan Vallès. "Ethnobotany of Food Plants in the High River Ter Valley (Pyrenees, Catalonia, Iberian Peninsula): Non-Crop Food Vascular Plants and Crop Food Plants with Medicinal Properties." Ecology of Food and Nutrition 48, no. 4 (July 20, 2009): 303–26. http://dx.doi.org/10.1080/03670240903022320.

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Quach, Phuong Ngo Diem, Tran Ngoc Bao Do, Phuong Dong Tra, Tam Thien Luong, Thu Nguyen Anh Tran, and Thuoc Linh Tran. "Biological activities and micropropagation of non-vascular plants from Bidoup-Nui Ba National Park, Lam Dong." Science and Technology Development Journal - Natural Sciences 1, T1 (March 31, 2017): 5–16. http://dx.doi.org/10.32508/stdjns.v1it1.430.

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At the present time, non-vascular plants (bryophytes) are less studied, especially in Vietnam. Therefore, this research focuses on studying biological activities of some bryophytes species collected in Bidoup–Nui Ba National Park, such as antioxidative, antibacterial activity, acetylcholinesterase inhibitory activity and quantitative analysis of the major secondary metabolites. Moreover, one of the most potential species was micropropagated in vitro in order to get the initiative pharmaceutical materials. Among the six bryophyte species collected in Bidoup–Nui Ba National Park, three of them are mosses (Pyrrhobryum spiniforme, Bryum argenteum and Campylopus umbellatus) and three of them are liverworts (Lepidozia fauriana, Plagiochila trabeculata and Schistochila blumei). Our results showed that L. fauriana had the highest antioxidative activity and acetylcholinesterase inhibitory activity (IC50 = 6.617 ± 0.080 mg/mL), S. blumei had the potent antibacterial activity. In vitro propagation results showed that silver moss could be micropropagated using spores in MS medium supplemented with 1 mg/L 2,4-D and 2 mg/L kinetin.

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Takeda, Reiji, Jiro Hasegawa, and Masateru Shinozaki. "The first isolation of lignans, megacerotonic acid and anthocerotonic acid, from non-vascular plants, anthocerotae (hornworts)." Tetrahedron Letters 31, no. 29 (January 1990): 4159–62. http://dx.doi.org/10.1016/s0040-4039(00)97569-5.

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Journal articles on the topic 'Non-vascular plants'

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