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Artykuły w czasopismach na temat „Omphalia”

Autor: Grafiati

Data publikacji: 29 lipca 2024

Data aktualizacji: 7 lipca 2025

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1

LÜCKING, Robert, R. Greg THORN, Irja SAAR, et al. "A hidden basidiolichen rediscovered: Omphalina oreades is a separate species in the genus Lichenomphalia (Basidiomycota: Agaricales: Hygrophoraceae)." Lichenologist 49, no. 5 (2017): 467–81. http://dx.doi.org/10.1017/s0024282917000378.

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AbstractMolecular studies have shown the type collection of Omphalina oreades to be conspecific with a small brown basidiolichen from the Appalachian range in Newfoundland, both with 4-spored basidia. Two sequences deposited in GenBank, originally identified as O. grisella, fell in the same clade. Sequences of the type collection of Omphalia grisella, with 2-spored basidia, formed a sister clade together with two GenBank deposits, one identified as O. grisella and the other as Omphalina velutina. Omphalina oreades is recombined here as Lichenomphalia oreades comb. nov., and the species redescribed and illustrated. Sequences of the internal transcribed spacer regions of nuclear ribosomal DNA (ITS rDNA) from the algae associated with two collections of L. oreades fell within a highly supported clade with members of an undetermined species of Coccomyxa. The most abundant algal ribosomal large subunit sequence from granules at the base of a different collection matched GenBank sequences identified as Chloroidium ellipsoideum, which is probably either a free-living algal species or a partner to a species of Trapeliopsis. The second most abundant sequence matched Coccomyxa subellipsoidea and is the most likely photobiont of L. oreades. Further studies are required to elucidate the relationship of L. velutina to these taxa.

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2

Lavorato, Carmine, Alfredo Vizzini, Zai-Wei Ge, and Marco Contu. "Redescription of Clitocybe umbrinopurpurascens (Basidiomycota, Agaricales) and revision of Neohygrophorus and Pseudoomphalina." Phytotaxa 219, no. 1 (2015): 43. http://dx.doi.org/10.11646/phytotaxa.219.1.3.

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Clitocybe umbrinopurpurascens, a rare species thus far known only from Morocco, is redescribed based on fresh collections made in Calabria (South Italy). Photographs of fresh material and drawings of the main micromorphological features of the species are provided. The type collection, in poor condition and not suitable for molecular analysis, was restudied macro- and micromorphologically and was found fully identical with the collections from Calabria. Based on molecular data, this species belongs to the genus Pseudoomphalina (type Omphalia kalchbrenneri) and the genus Neohygrophorus is treated as a synonym of Pseudoomphalina. A collection from Calabria is chosen as an epitype for P. umbrinopurpurascens. Our morphological and molecular revision of other Pseudoomphalina species did not provide evidence supporting the placement of Agaricus pachyphyllus in Pseudomphalina, or any other of the allied genera, therefore, for this species the new genus Pseudolaccaria is introduced. As there are no extant original herbarium specimens, a lectotype and epitype for Omphalia kalchbrenneri and a neotype for Agaricus pachyphyllus are designated.

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3

Redhead, S. A. "Mycological Observations 15-16: On Omphalia and Pleurotus." Mycologia 78, no. 4 (1986): 522. http://dx.doi.org/10.2307/3807763.

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4

Saito, Kazuo, Motohiro Nishijima, and Toshio Miyazaki. "Structure of a heteroglycan isolated from the fungus Omphalia lapidescens." Carbohydrate Research 224 (February 1992): 209–17. http://dx.doi.org/10.1016/0008-6215(92)84107-4.

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5

Chen, Yan, Zhenjie Fu, Yuqin Xu, Yitao Chen, and Peilei Pan. "pPeOp from Omphalia lapidescens Schroet suppresses the proliferation of cervical cancer HeLa cells via JAK/STAT3 signaling pathway." ScienceAsia 48, no. 6 (2022): 726. http://dx.doi.org/10.2306/scienceasia1513-1874.2022.103.

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6

OHNO, Naohito, Kazuo SAITO, Jiro NEMOTO, et al. "Immunopharmacological Characterization of a Highly Branched Fungal(1.RAR.3)-.BETA.-D-Glucan, OL-2, Isolated from Omphalia lapidescens." Biological & Pharmaceutical Bulletin 16, no. 4 (1993): 414–19. http://dx.doi.org/10.1248/bpb.16.414.

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7

SAITO, Kazuo, Motohiro NISHIJIMA, and Toshio MIYAZAKI. "Further examination on the structure of an alkali-soluble glucan isolated from Omphalia lapidescens. Studies on fungal polysaccharide. XXXVI." CHEMICAL & PHARMACEUTICAL BULLETIN 38, no. 6 (1990): 1745–47. http://dx.doi.org/10.1248/cpb.38.1745.

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8

Wang, Yue, Ou Dai, Cheng Peng, et al. "Polyoxygenated ergosteroids from the macrofungus Omphalia lapidescens and the structure-cytotoxicity relationship in a human gastric cancer cell line." Phytochemistry Letters 25 (June 2018): 99–104. http://dx.doi.org/10.1016/j.phytol.2018.04.005.

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9

Zhang, Guoqing, Yuedong Huang, Yong Bian, Jack H. Wong, T. B. Ng, and Hexiang Wang. "Hypoglycemic activity of the fungi Cordyceps militaris, Cordyceps sinensis, Tricholoma mongolicum, and Omphalia lapidescens in streptozotocin-induced diabetic rats." Applied Microbiology and Biotechnology 72, no. 6 (2006): 1152–56. http://dx.doi.org/10.1007/s00253-006-0411-9.

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10

Yang, Yong-Le, Wei-Yao Gong, Fei-Fei Chen, Lu-Chao Chen, and Yi-Tao Chen. "pPeOp from Omphalia lapidescens Schroet induces cell cycle arrest and inhibits the migration of MC-4 gastric tumor cells." Oncology Letters 14, no. 1 (2017): 533–40. http://dx.doi.org/10.3892/ol.2017.6207.

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11

Liu, Fei, Jin-Feng Chen, Yue Wang, et al. "Cytotoxicity of lanostane-type triterpenoids and ergosteroids isolated from Omphalia lapidescens on MDA-MB-231 and HGC-27 cells." Biomedicine & Pharmacotherapy 118 (October 2019): 109273. http://dx.doi.org/10.1016/j.biopha.2019.109273.

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12

Rodríguez-Páez, Jorge Enrique. "Nano-biointerface entre semiconductor y membrana celular: fenómenos fisicoquímicos implicados en la nanotoxicidad y la capacidad antifúngica de las nanopartículas de óxido de cinc." Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales 45, no. 177 (2021): 1053–70. http://dx.doi.org/10.18257/raccefyn.1513.

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La aplicación de la nanotecnología, específicamente de las nanopartículas en campos como la medicina, la remediación medioambiental y la agricultura pasa por conocer y entender las interacciones que ocurren entre estas y el sistema biológico, para lo cual es necesario abordar el estudio de la nano-biointerface. Con base en resultados obtenidos en el estudio de la capacidad antifúngica y antibacterial de las nanopartículas de óxido de cinc (ZnO-NPs), se hizo una revisión de ciertos fenómenos fisicoquímicos que podrían ocurrir en la interface entre semiconductor y membrana celular y explicarían la acción de dichas nanopartículas. Concretamente, se analizaron los efectos de la naturaleza semiconductora del ZnO y la existencia de defectos puntuales en el sólido, así como de las interacciones de tipo entrópico, sobre un sistema biológico. Con base en estos procesos fisicoquímicos, se estructuraron modelos cualitativos de mecanismos que permitirían explicar los efectos de la presencia de las ZnO-NPs en cultivos de diversos hongos (Omphalia sp., Colletotrichum sp. y Phoma sp.), tales como la inhibición de su crecimiento y la alteración de su ultraestructura, y de la bacteria Escherichia coli, en la cual causarían la inhibición del crecimiento hasta en un ⁓70 % y una concentración mínima inhibitoria (CMI50) de 30,40 µg/mL, sin incidencia de radiación UV.

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13

OHNO, Naohito, Toshihide MIURA, Kazuo SAITO, Motohiro NISHIJIMA, Toshio MIYAZAKI, and Toshiro YADOMAE. "Physicochemical Characteristics and Antitumor Activities of a Highly Branched Fungal (1.RAR.3)-.BETA.-D-Glucan, OL-2, Isolated from Omphalia lapidescens." CHEMICAL & PHARMACEUTICAL BULLETIN 40, no. 8 (1992): 2215–18. http://dx.doi.org/10.1248/cpb.40.2215.

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14

SAITO, Kazuo, Motohiro NISHIJIMA, Naohito OHNO, Toshiro YADOMAE, and Toshio MIYAZAKI. "Structure and Antitumor Activity of the Less-Branched Derivatives of an Alkali-Soluble Glucan Isolated from Omphalia lapidescens. Studies on Fungal Polysaccharide. XXXVIII." CHEMICAL & PHARMACEUTICAL BULLETIN 40, no. 1 (1992): 261–63. http://dx.doi.org/10.1248/cpb.40.261.

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15

Kurahashi, Midori, та Akira Yokota. "Tateyamaria omphalii gen. nov., sp. nov., an α-Proteobacterium isolated from a top shell Omphalius pfeifferi pfeifferi". Systematic and Applied Microbiology 30, № 5 (2007): 371–75. http://dx.doi.org/10.1016/j.syapm.2006.11.007.

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16

SAITO, Kazuo, Motohiro NISHIJIMA, Naohito OHNO, Noriko NAGI, Toshiro YADOMAE, and Toshio MIYAZAKI. "Studies on Fungal Polysaccharide. XXXIX. Activation of Complement and Limulus Coagulation Systems by an Alkali-Soluble Glucan Isolated from Omphalia lapidescens and Its Less-Branched Derivatives." CHEMICAL & PHARMACEUTICAL BULLETIN 40, no. 5 (1992): 1227–30. http://dx.doi.org/10.1248/cpb.40.1227.

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17

Hornby, David, and Elaine Ward. "Wanted! — Omphalina pyxidata." Mycologist 9, no. 1 (1995): 36. http://dx.doi.org/10.1016/s0269-915x(09)80251-6.

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18

Zhang, Tingting, Xinyu Zhu, Alfredo Vizzini, et al. "New Insights into Lichenization in Agaricomycetes Based on an Unusual New Basidiolichen Species of Omphalina s. str." Journal of Fungi 8, no. 10 (2022): 1033. http://dx.doi.org/10.3390/jof8101033.

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The genus Omphalina is an ideal genus for studying the evolutionary mechanism of lichenization. Based on molecular phylogeny using ITS and nuLSU sequences by means of Bayesian and maximum likelihood analyses and morphological examination, combining the existence of green algae in basidiomata stipe and a Botrydina-type vegetative thallus, we described a bryophilous new basidiolichen species, Omphalina licheniformis, from a residential area of Jiangxi Province, China. This finding of unusual new basidiolichen species updated our understanding of the delimitation of Omphalina, indicating that both non-lichen-forming and lichen-forming fungal species are included simultaneously. The presence of algal cells in the basidiomata should receive more attention, as this would be helpful to distinguish more potential basidiolichens and explore the cryptic species diversity. This work provides new insights and evidence for understanding the significance of lichenization during the evolution of Agaricomycetes.

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19

Kuiken, Kir. "Omphalos." Essays in Romanticism 22, no. 2 (2015): 167–81. http://dx.doi.org/10.3828/eir.2015.22.2.6.

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20

Bousseyroux, Isaure. "Omphalos." L'en-je lacanien 37, no. 2 (2021): 197. http://dx.doi.org/10.3917/enje.037.0197.

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21

Ichiki, Y., and Y. Kitajima. "Omphalith." Clinical and Experimental Dermatology 34, no. 3 (2009): 420–21. http://dx.doi.org/10.1111/j.1365-2230.2008.02959.x.

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22

Nuñez-Penichet, Claudia, Juan Maita, and Jorge Soberon. "Land-cover change in Cuba and implications for the area of distribution of a specialist’s host-plant." PeerJ 12 (June 25, 2024): e17563. http://dx.doi.org/10.7717/peerj.17563.

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Changes in land cover directly affect biodiversity. Here, we assessed land-cover change in Cuba in the past 35 years and analyzed how this change may affect the distribution of Omphalea plants and Urania boisduvalii moths. We analyzed the vegetation cover of the Cuban archipelago for 1985 and 2020. We used Google Earth Engine to classify two satellite image compositions into seven cover types: forest and shrubs, mangrove, soil without vegetation cover, wetlands, pine forest, agriculture, and water bodies. We considered four different areas for quantifications of land-cover change: (1) Cuban archipelago, (2) protected areas, (3) areas of potential distribution of Omphalea, and (4) areas of potential distribution of the plant within the protected areas. We found that “forest and shrubs”, which is cover type in which Omphalea populations have been reported, has increased significantly in Cuba in the past 35 years, and that most of the gained forest and shrub areas were agricultural land in the past. This same pattern was observed in the areas of potential distribution of Omphalea; whereas almost all cover types were mostly stable inside the protected areas. The transformation of agricultural areas into forest and shrubs could represent an interesting opportunity for biodiversity conservation in Cuba. Other detailed studies about biodiversity composition in areas of forest and shrubs gain would greatly benefit our understanding of the value of such areas for conservation.

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23

Purwaningsih, Desi, I. Made Artika, Tri Panji, and Suharyanto Suharyanto. "Biosorption Copper (Cu) and Mercury (Hg) by Omphalina sp. using Batch, Rotary, Biotray, and Pack Bed Flow Methods." Current Biochemistry 3, no. 1 (2017): 1–12. http://dx.doi.org/10.29244/cb.3.1.1-12.

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Heavy metal waste treatment often uses dangerous chemicals. Omphalina sp is a nonpathogenic fungi that can be used to reduce the harmful effects of waste treatment. The use of fungal biomass has advantages such as low operating costs, efficient, and high metal binding capacity, minimal sludge, metals can be recovered, biosorbent can be regenerated, raw materials available easily, can use inactivated microorganism, and does not require additional nutrients. In the present study optimization of the biomass utilization for waste water treatment was conducted by comparing batch, rotary, packbed flow, and biotray methods. Results showed that Omphalina sp can reduce mercury level up to 91.38% with rotary, 83.98% with biotray, 87.14% with pack bed flow, and 31.94% with batch methods respectively from initial Hg concentration of 3 ppm. Similarly, Omphalina sp can reduce copper level up to 23.58% with rotary, 22.66% with biotray, 10.53% with pack bed flow, 10.17% with batch methods respectively from initial Cu concentration of 100 ppm. Optimum absorption Hg and Cu occurs in the first one hour.

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24

Henssen, Aino. "Thallus Morphology and Apothecial Development in Omphalodium Pisacomense and Omphalora Arizonica (Parmeliaceae)." Lichenologist 24, no. 1 (1992): 27–41. http://dx.doi.org/10.1017/s0024282992000070.

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AbstractIn Omphalodium pisacomense and Omphalora arizonica the umbilicate thallus is limited on both sides by strongly gelatinized, prosoplectenchymatous cortices. Pseudocyphellae are formed abundantly on the top of tubercles and ridges; the tuberculate pseudocyphellae are predominantly confined to the upper surface in Omphalodium pisacomense and to the lower surface in Omphalora arizonica. Studies of the ascocarp ontogeny demonstrated the affiliation of Omphalodium and Omphalora to Parmeliaceae s. lat. In both genera, pycnidia and apothecia arise in the upper cortex, being differentiated entirely by cortical hyphae. The parmelioid development of the apothecia differs in the two genera. In Omphalodium pisacomensethe apothecium is incompletely zeorine, since the upper margin of the exciple remains covered by the thalline cortex, while in Omphalora arizonica the upper margin of the exciple protrudes and develops gradually, together with the thalline stalk, into a pedicel for the hymenium. The differences in developmental morphology support the view that Omphalodium and Omphalora should be treated as separate genera. The peculiarities of the parmelioid ontogeny and its implication in the evolution of lichens are discussed.

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25

Boomsluiter, Menno W. "Some ecological notes on omphalina chlorocyanea." Field Mycology 7, no. 2 (2006): 52–53. http://dx.doi.org/10.1016/s1468-1641(10)60368-4.

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26

Swanson, S. L. "Umbilical mass. Omphalith." Archives of Dermatology 128, no. 9 (1992): 1267. http://dx.doi.org/10.1001/archderm.128.9.1267.

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Jørgensen, Per M. "Omphalina foliacea, a new basidiolichen from America." Nordic Journal of Botany 9, no. 1 (1989): 89–95. http://dx.doi.org/10.1111/j.1756-1051.1989.tb00990.x.

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28

Zaidenstein, L., E. Freud, M. Schwartz, and M. Zer. "Clinical presentation of rare appendiculo-omphalic anomalies." Journal of Pediatric Surgery 30, no. 12 (1995): 1702–3. http://dx.doi.org/10.1016/0022-3468(95)90457-3.

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29

Khan, Saif Rasul. "Orphanages: Omphalos for Trafficking." Institutionalised Children Explorations and Beyond 3, no. 1 (2016): 55–65. http://dx.doi.org/10.1177/2349301120160106.

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Khan, Saif Rasul. "Orphanages: omphalos for trafficking." Institutionalised Children Explorations and Beyond 3, no. 1 (2016): 55. http://dx.doi.org/10.5958/2349-3011.2016.00005.0.

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31

Hong, Jin Kyung, Young Min Park, Sang Hyun Cho, and Chung Won Kim. "A Case of Omphalith." Annals of Dermatology 9, no. 2 (1997): 171. http://dx.doi.org/10.5021/ad.1997.9.2.171.

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Aragón Rubio, Gregorio, Marina Vicente, and Gil Fernando Giménez. "Novedades corológicas para algunos líquenes en Castilla La Mancha I." Botanica Complutensis 46 (October 6, 2022): e82953. http://dx.doi.org/10.5209/bocm.82953.

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Se aportan nuevos datos corológicos de seis especies de macrolíquenes. Ephebe lanata, Peltula omphaliza, Physcia albinea, Placidium michelii y Umbilicaria crustulosa se citan por primera vez en Castilla-La Mancha; además, se confirma la presencia de Teloschistes chrysophthalmus en Castilla-La Mancha que sólo estaba citado de principios del siglo XX

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33

Hagiwara, Hisahiro. "Recent Progress in the Synthesis of Sesquiterpenoid Involving Spirocyclic Carbon Framework." Natural Product Communications 18, no. 2 (2023): 1934578X2311567. http://dx.doi.org/10.1177/1934578x231156702.

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Spirocarbocyclic natural products have been attracting considerable attention from synthetic organic chemists. This review focused on total syntheses of sesquiterpenoids involving spiro[4.5]decane and spiro[5.5]undecane scaffolds, compiling syntheses of colletoic acid, cubebol, axenol, vetispirene, hinesol, agarospirol, axenol, gleenol, exiguamide, exigurin, erythrodiene, spirojatamol, antroalbocin A, omphalic acid, dactylone, and aplydactonee since 2015.

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Redhead, Scott A., Glenn R. Walker, Joseph F. Ammirati, and Lorelei L. Norvell. "Omphalina sensu latoin North America 4:O. rosella." Mycologia 87, no. 6 (1995): 880–85. http://dx.doi.org/10.1080/00275514.1995.12026609.

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Lutzoni, François, and Rytas Vilgalys. "Integration of morphological and molecular data sets in estimating fungal phytogenies." Canadian Journal of Botany 73, S1 (1995): 649–59. http://dx.doi.org/10.1139/b95-307.

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To provide a clearer picture of fungal species relationships, increased efforts are being made to include both molecular and morphological data sets in phylogenetic studies. This general practice in systematics has raised many unresolved questions and controversies regarding how to best integrate the phylogenetic information revealed by morphological and molecular characters. This is because phylogenetic trees derived using different data sets are rarely identical. Such discrepancies can be due to sampling error, to the use of an inappropriate evolutionary model for a given data set, or to different phylogenetic histories between the organisms and the molecule. Methods have been developed recently to test for heterogeneity among data sets, although none of these methods have been subjected to simulation studies. In this paper we compare three tests: a protocol described by Rodrigo et al., an adapted version of Faith's T-PTP test, and Kishino and Hasegawa's likelihood test. These tests were empirically compared using seven lichenized and nonlichenized Omphalina species and the related species Arrhenia lobata (Basidiomycota, Agaricales) for which nrDNA large subunit sequences and morphological data were gathered. The results of these three tests were inconsistent, Rodrigo's test being the only one suggesting that the two data sets could be combined. One of the three most parsimonious trees obtained from the combined data set with eight species is totally congruent with the relationships among the same eight species in an analysis restricted to the same portion of the nrDNA large subunit but extended to 26 species of Omphalina and related genera. Therefore, the results from phylogenetic analyses of this large molecular data set converged on one of the three most parsimonious topologies generated by the combined data set analysis. This topology was not recovered from either data set when analysed separately. This suggests that Rodrigo's homogeneity test might be better suited than the two other tests for determining if trees obtained from different data sets are sampling statistics of the same phylogenetic history. Key words: data sets heterogeneity, homogeneity test, lichen phylogeny, Omphalina, ribosomal DNA.

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36

de Boer, Jelle Zeilinga. "Delphi’s Small “omphalos”; An Enigma." Syllecta Classica 18, no. 1 (2007): 81–104. http://dx.doi.org/10.1353/syl.2007.0005.

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Kishkinova, Evgenia M. "Fasad Sculpture of Provincial Eclectics on the Example of Rostov-on-Don: Iconography, Symbols, Stylistics." Vestnik of Saint Petersburg University. Arts 13, no. 3 (2023): 449–66. http://dx.doi.org/10.21638/spbu15.2023.304.

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The article is devoted to the study of eclectic facade sculpture in the historical center of Rostov-on-Don, considered in accordance with specific neo-styles. Sculpture plays an important compositional role in the design of the facades of Neo-Baroque monuments, emphasizing the rhythmic organization of facades, emphasizing the central and corner parts of buildings. Sculptural decor in the design of facades, designed within the neo-Greek and Neo-Renaissance, obeys the compositional rhythm set by architectural forms, is most often placed in architecturally limited fields, highlights the compositional axes of facades and more actively uses motifs of ancient origin. In general, the iconography of the sculptural decor includes plant motifs (laurel, flower, fruit garlands, flower baskets, acanthus, wreaths, rosettes), images of objects, including symbolic ones (shells, cartouches, caduceus, flowerpots, a cornucopia, a fountain, attributes of industry, trade, sciences and arts, armorial shields), zoomorphic images (mainly lion mascarons, griffins), mixanthropic and anthropomorphic images. Among the latest figurines are putti, mascarons of satyrs, Aphrodite, Hermes; belt herms of Hercules, Omphale, Deianira; sculptures of nymphs, Apollo, Ceres, goddesses of Glory; scenes from the history of Cupid and Psyche. The symbolism of the sculptural decor corresponds to the purpose of the building, expresses the ideas of prosperity and progress: Ceres, Apollo, the goddess of Glory — on the building of the City Duma; musical instruments and theatrical masks — on the theater building; plots symbolizing various types of activities — on the building of the Property Pledge Society; attributes of trade, industry, sciences, arts, mascarons of Hermes and his caduceus, cornucopia — on tenement houses; Hercules, Dejanira, Omphala, Aphrodite’s mascarons are on the mansions. There is a “universalization” of the mascarons of Hermes and his caduceus, which are used everywhere, regional motifs appear (bees, salting fish), the use of neo-style decor on the building, reproducing the type of kuren, is noted. Stylistically, the sculpture is focused mainly on classicism and the Renaissance, using the techniques of mannerism, baroque, rococo. The prototypes are the motifs of the sculptural decoration of famous buildings in St Petersburg, Vienna, Berlin, Brussels, chronologically close to the monuments under consideration.

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38

Redhead, Scott A., Glenn R. Walker, Joseph F. Ammirati, and Lorelei L. Norvell. "Omphalina sensu lato in North America 4: O. rosella." Mycologia 87, no. 6 (1995): 880. http://dx.doi.org/10.2307/3760864.

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Santesson, Rolf. "Parasymbiotic fungi on the lichen-forming basidiomycete Omphalina foliacea." Nordic Journal of Botany 9, no. 1 (1989): 97–99. http://dx.doi.org/10.1111/j.1756-1051.1989.tb00991.x.

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Barrasa, José María, and Víctor J. Rico. "Lichenized Species of Omphalina (Tricholomataceae) in the Iberian Peninsula." Lichenologist 33, no. 5 (2001): 371–86. http://dx.doi.org/10.1006/lich.2001.0336.

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AbstractA taxonomic revision of the lichenized species of the genus Omphalina in the Iberian Peninsula is presented, based upon fungal and lichen herbarium material, as well as on fresh collections. Relevant morphological and ecological features are discussed and a diagnostic key is provided. Four lichenized species, O. ericetorum, O. hudsoniana, O. meridionalis and O. velutina are recognized. A squamulose vegetative thallus (Coriscium-type) is present only in O. hudsoniana, while the other three species form a thallus of hyphal globules (Botrydina-type). Anatomical features of the vegetative thallus cannot be used to distinguish between these last three species. Whilst O. hudsoniana is known only from the montane belt of the Eurosiberian Region and O. meridionalis seems to restricted to the Mediterranean Region, living in more or less humid sites of the Supramediterranean belt, the other two species, O. ericetorum and O. velutina, are widespread.

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Ravera, Sonia, Marta Puglisi, Alfredo Vizzini, et al. "Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 14." Italian Botanist 14 (November 15, 2022): 61–80. http://dx.doi.org/10.3897/italianbotanist.14.95956.

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In this contribution, new data concerning bryophytes, fungi and lichens of the Italian flora are presented. It includes new records and confirmations for the algal genus Chara, for the bryophyte genera Bryum, Grimmia, Cephaloziella, Hypnum, Nogopterium, Physcomitrium, Polytrichastrum, Rhynchostegiella, Saelania, and Schistostega, the fungal genera Cortinarius, Lentinellus, Omphalina, and Xerophorus, and the lichen genera Acarospora, Agonimia, Candelariella, Cladonia, Graphis, Gyalolechia, Hypogymnia, Lichinella, Megalaria, Nephroma, Ochrolechia, Opegrapha, Peltigera, Placidium, Ramalina, Rhizoplaca, Ropalospora, Strangospora, Toniniopsis, Usnea, and Zahlbrucknerella.

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Sass, Henrik, Beate Köpke, Heike Rütters, et al. "Tateyamaria pelophila sp. nov., a facultatively anaerobic alphaproteobacterium isolated from tidal-flat sediment, and emended descriptions of the genus Tateyamaria and of Tateyamaria omphalii." International Journal of Systematic and Evolutionary Microbiology 60, no. 8 (2010): 1770–77. http://dx.doi.org/10.1099/ijs.0.013524-0.

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A Gram-negative motile rod, strain SAM4T, was isolated from the highest positive dilution of a most probable number series inoculated with tidal-flat sediments from the German North Sea coast. The isolate grew at 4–35 °C and showed constant growth yields throughout almost the whole temperature range. Growth was observed between pH 6 and 9 and at salinities of 0.3–10.2 %. Strain SAM4T required Na+ for growth, contained bacteriochlorophyll a and was catalase- and oxidase-positive. It was nutritionally versatile growing on a variety of carbon compounds including carbohydrates, amino acids and organic acids like lactate or succinate. It grew anaerobically on complex media such as marine broth, indicating fermentation, and by reducing trimethylammonium oxide. The dominant phospholipids were phosphatidylethanolamine and phosphatidylglycerol, whereas only traces of phosphatidylcholine and an unidentified lipid were found. The major fatty acid was n-C18 : 1 ω7c. The DNA G+C content was 56.4 mol%. The isolate was identified as a member of the Roseobacter clade within the class Alphaproteobacteria. However, based on phylogenetic, phenotypic and physiological data, it clearly differs from its closest relative Tateyamaria omphalii. Therefore, a novel species is proposed: Tateyamaria pelophila sp. nov., with strain SAM4T (=DSM 17270T=LMG 23018T) as the type strain. Emended descriptions of the genus Tateyamaria and of Tateyamaria omphalii are also presented.

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Popma, J., and F. Bongers. "Acclimation of seedlings of three Mexican tropical rain forest tree species to a change in light availability." Journal of Tropical Ecology 7, no. 1 (1991): 85–97. http://dx.doi.org/10.1017/s0266467400005137.

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ABSTRACTA comparison is made of the light acclimation potential of seedlings of three canopy species of the tropical rain forest of Los Tuxtlas, Mexico: Cordia megalantha, Lonchocarpus guatemalensis, and Omphalea oleifera. These species showed similar growth rates in a range of microhabitats. Gap dynamics were simulated by transferring plants between three environments: beneath a closed canopy, a small gap, and a large gap. Plants of all three species were able to adjust their morphology and growth rates in response to changes in light availability. Growth rates increased when plants were moved to a (larger) gap, and decreased when plants were moved to a more shaded environment. Shade-grown plants were able to acclimate faster to increasing light availability than sun-grown plants to decreasing light availability. Also, plants moved from shady to sunny conditions showed higher relative growth rates than sun control plants, whereas sun-grown plants when moved to the shade showed lower relative growth rates than shade control plants. Species differed in their response to gap dynamics. Omphalea could not acclimate morphologically to shading, but reacted faster than the other species in response to the occurrence of a large gap. Acclimation potential seemed to be related to plasticity in physiological rather than in morphological traits. Suppressed seedlings of all three species performed well in the shade, and were able to acclimate rapidly to gap-conditions.

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Forster, Paul I. "Omphalea celata, a new species of Euphorbiaceae from central Queensland." Austrobaileya: A Journal of Plant Systematics 4, no. 3 (1995): 381–85. http://dx.doi.org/10.5962/p.365825.

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Chen, Renzhi, Dongsheng Qiu, Xin Lei, et al. "Total Synthesis and Assignment of the Absolute Configuration of (+)-Omphalic Acid." Organic Letters 23, no. 17 (2021): 6972–76. http://dx.doi.org/10.1021/acs.orglett.1c02599.

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Jørgensen, Per M., and Svengunnar Ryman. "On the typification of Omphalina umbellifera (L.: Fr.) Quél. (Fungi, Agaricales)." TAXON 43, no. 2 (1994): 253–55. http://dx.doi.org/10.2307/1222884.

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Gillespie, Lynn J. "Omphalea (Euphorbiaceae) in Madagascar: A New Species and a New Combination." Novon 7, no. 2 (1997): 127. http://dx.doi.org/10.2307/3392184.

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Palice, Zdeněk, Imke Schmitt, and H. Thorsten Lumbsch. "Molecular data confirm that Omphalina foliacea is a lichen-forming basidiomycete." Mycological Research 109, no. 4 (2005): 447–51. http://dx.doi.org/10.1017/s0953756204002199.

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GRUNERT, E., and Ph SARATSIS (Φ. ΣΑΡΑΤΣΗΣ). "Treatment of retention of fetal membranes in cattle." Journal of the Hellenic Veterinary Medical Society 49, no. 2 (2018): 104. http://dx.doi.org/10.12681/jhvms.15755.

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The method of treating retention of fetal membranes in cattle depends mainly on etiology. Detachment of the fetal membranes by infusing calcium preparations or administering drugs promoting uterine contractions is effective only in cases due to uterine inertia. Alternatively, it is possible to control retention administrations of broad spectrum antibiotics in adequate dosages, so as to ensure the establishment of a new pregnancy with minimum loss of time. In the rare event of retention due to premature closure of omphalic vessels or to overipe placentomes, it is necessary to take the required therapeutic and precautionary measures.

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YOSHIDA, YUICHI, and OSAMU YAMAMOTO. "Umbilical Pyogenic Granuloma Associated with Occult Omphalith." Dermatologic Surgery 34, no. 11 (2008): 1613–14. http://dx.doi.org/10.1097/00042728-200811000-00038.

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