Gotowe bibliografie tematyczne / Choanoflagellida

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Gotowa bibliografia na temat „Choanoflagellida”

Autor: Grafiati
Data publikacji: 29 lipca 2024
Data aktualizacji: 22 czerwca 2025

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Artykuły w czasopismach na temat "Choanoflagellida"

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Zolotarev, V. A., Ya V. Stroinov, and N. G. Kosolapova. "Microperiphyton development in lakes and reservoirs." Limnology and Freshwater Biology, no. 4 (2024): 1188–95. http://dx.doi.org/10.31951/2658-3518-2024-a-4-1188.

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Biofilms play an important role in the material flux of lakes and other aquatic ecosystems, but little is known about the mechanisms controlling their community structure under natural conditions. In the present study, we focused on the use of artificial substrates for the life strategies of microbial communities investigation. Heterotrophic nanoflagellates (HNF) are known as most important grazers of bacteria in the biofilm communities. The Choanoflagellida have an essential role in microbial food webs contributing to a process of self-purification of water bodies as well as sponge choanocytes, filtering large water volumes. Effects of Cyanobacteria and other pathogenic microorganisms on sponges are very similar to the same effects on Choanoflagellida and HNF in the early phase of biofilm colonization. Standard microbial biofilms (model communities) can serve for ecorobots development.
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THOMSEN, HELGE A., KURT R. BUCK, SUSAN L. COALE, DAVID L. GARRISON, and MARCIA M. GOWING. "Loricate choanoflagellates (Acanthoecidae, Choanoflagellida) from the Weddell Sea, Antarctica." Zoologica Scripta 19, no. 4 (1990): 367–87. http://dx.doi.org/10.1111/j.1463-6409.1990.tb00264.x.

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Espeland, Gyrid, and Jahn Throndsen. "Flagellates from Kilsfjorden, southern Norway, with description of two new species of Choanoflagellida." Sarsia 71, no. 3-4 (1986): 209–26. http://dx.doi.org/10.1080/00364827.1986.10419691.

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Zolotarev, V. A., E. V. Kuznetsova, and R. A. Fedorov. "The modern methods development for microbiological water quality assessment in lakes." Limnology and Freshwater Biology, no. 4 (2024): 1180–87. http://dx.doi.org/10.31951/2658-3518-2024-a-4-1180.

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The functional diversity of free-living aquatic protozoans is discussed with respect to the feeding ecology, life strategies and water quality. Heterotrophic nanoflagellates (HNF) are known as most important grazers of bacteria in many aquatic ecosystems. Recent studies of flagellate feeding processes indicated that there are significant species-specific variability regarding the food uptake and food selection of bacterivorous flagellates. The Choanoflagellida have an essential role in microbial food webs contributing to a process of self-purification of water bodies as well as are used in monitoring systems. We show that diversity and relative abundance of ciliates and other protozoans can be used as indicators of toxic pollution and acidification. Multivariate statistics were used to design “the scale of toxicity” across a gradient of toxicant stress and organic compounds. A new index of periphyton flagellates (IPF) as indicator of the trophic status of a water-body and a simplified index for a sublethal toxicity assessment were developed.
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BUCK, KURT R., HARVEY J. MARCHANT, HELGE A. THOMSEN, and DAVID L. GARRISON. "Kakoeca antarctica gen. et sp.n., a loricate choanoflagellate (Acanthoecidae, Choanoflagellida) from Antarctic sea ice with a unique protoplast suspensory membrane." Zoologica Scripta 19, no. 4 (1990): 389–94. http://dx.doi.org/10.1111/j.1463-6409.1990.tb00265.x.

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Lefranc, Marie, Aurélie Thénot, Cécile Lepère, and Didier Debroas. "Genetic Diversity of Small Eukaryotes in Lakes Differing by Their Trophic Status." Applied and Environmental Microbiology 71, no. 10 (2005): 5935–42. http://dx.doi.org/10.1128/aem.71.10.5935-5942.2005.

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ABSTRACT Small eukaryotes, cells with a diameter of less than 5 μm, are fundamental components of lacustrine planktonic systems. In this study, small-eukaryote diversity was determined by sequencing cloned 18S rRNA genes in three libraries from lakes of differing trophic status in the Massif Central, France: the oligotrophic Lake Godivelle, the oligomesotrophic Lake Pavin, and the eutrophic Lake Aydat. This analysis shows that the least diversified library was in the eutrophic lake (12 operational taxonomic units [OTUs]) and the most diversified was in the oligomesotrophic lake (26 OTUs). Certain groups were present in at least two ecosystems, while the others were specific to one lake on the sampling date. Cryptophyta, Chrysophyceae, and the strictly heterotrophic eukaryotes, Ciliophora and fungi, were identified in the three libraries. Among the small eukaryotes found only in two lakes, Choanoflagellida and environmental sequences (LKM11) were not detected in the eutrophic system whereas Cercozoa were confined to the oligomesotrophic and eutrophic lakes. Three OTUs, linked to the Perkinsozoa, were detected only in the Aydat library, where they represented 60% of the clones of the library. Chlorophyta and Haptophyta lineages were represented by a single clone and were present only in Godivelle and Pavin, respectively. Of the 127 clones studied, classical pigmented organisms (autotrophs and mixotrophs) represented only a low proportion regardless of the library's origin. This study shows that the small-eukaryote community composition may differ as a function of trophic status; certain lineages could be detected only in a single ecosystem.
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7

Dissanayake, Asha J., Ruvishika S. Jayawardena, Saranyaphat Boonmee, et al. "The status of Myriangiaceae (Dothideomycetes)." Phytotaxa 176, no. 1 (2014): 219–37. https://doi.org/10.11646/phytotaxa.176.1.22.

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Dissanayake, Asha J., Jayawardena, Ruvishika S., Boonmee, Saranyaphat, Thambugala, Kasun M., Tian, Qing, Mapook, Ausana, Senanayake, Indunil C., Yan, Jiye, Li, Yan Mei, Li, Xinghong, Chukeatirote, Ekachai, Hyde, Kevin D. (2014): The status of Myriangiaceae (Dothideomycetes). Phytotaxa 176 (1): 219-237, DOI: 10.11646/phytotaxa.176.1.22, URL: http://dx.doi.org/10.11646/phytotaxa.176.1.22
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8

Zheng, Bao-Hai, Zhao-Jin Chen, Yu-Ying Li, et al. "Structural Characteristics and Driving Factors of the Planktonic Eukaryotic Community in the Danjiangkou Reservoir, China." Water 12, no. 12 (2020): 3499. http://dx.doi.org/10.3390/w12123499.

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Planktonic eukaryotes are widespread in aquatic ecosystems, and the study of their community composition and driving factors is of great significance to protecting and maintaining the balance of these ecosystems. This study evaluates five typical ecological sites in the Danjiangkou Reservoir—the water source for the project. This was done to comprehensively understand the composition of Danjiangkou Reservoir planktonic eukaryotes, and ensure the ecological balance of the water source for the South-to-North Water Diversion Project. The diversity of the planktonic eukaryotes in surface water and the factors driving changes in their abundance are analyzed with an 18S ribosomal DNA sequencing approach. Monitoring shows that the Danjiangkou Reservoir has good water quality. The Danjiangkou Reservoir planktonic eukaryote community is mainly composed of 11 phyla, of which Cryptomonadales is dominant, accounting for an average percentage of 65.19% of the community (47.2–84.90%). LEFSe analysis shows significant differences among samples in the abundances of 13 phyla, 20 classes, 23 orders, 26 families, and 27 genera, and there are also significant differences in the diversity of planktonic eukaryotes at different temporal and spatial scales. Redundancy analysis (RDA) show that water temperature, DO, SD, TN, and Chla are significant factors that affect the composition of the planktonic eukaryote community. Spearman rank correlation analysis combined with taxonomic difference analysis shows that Kathablepharidae and Choanoflagellida are not sensitive to environmental or physicochemical factors and that the interannual variations in their abundance are not significant. Network analysis shows that Protalveolata, Basidiomycota, P1-31, Bicosoecida, and Ochrophyta represent important nodes in the single-factor network, while Chytridiomycota, P1-31, Cryptomycota, Ochrophyta, Ichthyosporea, Bicosoecida, Protalveolata, and physicochemical factors (ORP, TN, WT, DO, SD, NH3-N, and NO3-N) represent important nodes in the two-factor network.
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9

Zhang, Dapeng, Yanwei Xi, Maria L. Coccimiglio, et al. "Functional prediction and physiological characterization of a novel short trans-membrane protein 1 as a subunit of mitochondrial respiratory complexes." Physiological Genomics 44, no. 23 (2012): 1133–40. http://dx.doi.org/10.1152/physiolgenomics.00079.2012.

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Mitochondrial respiration is mediated by a set of multisubunit assemblies of proteins that are embedded in the mitochondrial inner membranes. Respiratory complexes do not only contain central catalytic subunits essential for the bioenergetic transformation, but also many short trans-membrane subunits (sTMs) that are implicated in the proper assembly of complexes. Defects in sTMs have been discovered in some human neurodegenerative diseases. Here we identify a new subunit that we named Stmp1 and have characterized its function using both computational and experimental approaches. Stmp1 is a short trans-membrane protein, and sequence/structure analysis revealed that it shares common features like the small size, presence of a single or two TM region, and a COOH-terminal charged region, as many typical sTMs of respiratory complexes. In situ hybridization and RT-PCR assays showed that the Stmp1 expression is ubiquitous throughout zebrafish embryogenesis. In adults, Stmp1 expression was highest in the brain compared with muscle and liver. In zebrafish larvae (3–5 days postfertilization), antisense morpholino oligonucleotide-mediated knockdown of the Stmp1 gene (Stmp1-MO) resulted in a series of mild morphological defects, including abnormal shape of head and jaw and cardiac edema. Larvae injected with the Stmp1-MO had negligible responses to touch stimuli. By ventilation frequency analysis we found that Stmp1-MO-injected zebrafish displayed a severe dysfunction of ventilatory activities when exposed to hypoxic conditions, suggesting a defective mitochondrial activity induced by the loss of Stmp1. Phylogenetic profiling of known respiratory sTMs compared with Stmp1 revealed that all defined sTMs from four respiratory complexes have restricted or variable phyletic distribution, indicating that they are products of evolutionary innovations to fulfill lineage-related functional requirements for respiratory complexes. Thus, being present in animals, filasterea, choanoflagellida, amoebozoa, and plants, Stmp1 may have evolved to confer a new or complementary regulation of respiratory activities.
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Thomsen, Helge Abildhauge, David L. Garrison, and Carol Kosman. "Choanoflagellates (acanthoecidae, choanoflagellida) from the Weddell Sea, Antarctica, Taxonomy and community structure with particular emphasis on the ice biota; with preliminary remarks on choanoflagellates from Arctic sea ice (Northeast Water Polynya, Greenland)." Archiv für Protistenkunde 148, no. 1-2 (1997): 77–114. http://dx.doi.org/10.1016/s0003-9365(97)80038-3.

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Książki na temat "Choanoflagellida"

1

Karpov, S. A. (Sergeĭ Alekseevich), Monakov, A. V. (Andreĭ Vasilʹevich), and Institut biologii vnutrennikh vod (Akademii͡a nauk SSSR), eds. Presnovodnye vorotnichkovye zhgutikonost͡sy. Izd-vo "Nauka" Leningradskoe otd-nie, 1985.

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Towlson, Phillipa Claire. Utilization of silica by Stephanoeca diplocostata Ellis (Choanoflagellida) and Synura petersenii Korsh (Synurophyceae). University of Birmingham, 1992.

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Części książek na temat "Choanoflagellida"

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Nielsen, Claus. "Prelude: Phylum Choanoflagellata." In Animal Evolution. Oxford University Press, 2011. http://dx.doi.org/10.1093/acprof:oso/9780199606023.003.0003.

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