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Xanthopsoroma Contextum
''Xanthopsoroma'' is a genus of lichenized fungi in the family Pannariaceae. It contains 2 known species. ''Xanthopsoroma'' was described as a new genus in 2010 when it was separated from the closely related genus ''Psoroma''. Characteristics of ''Xanthopsoroma'' species include the production of usnic acid Usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species with the formula C18H16O7. It was first isolated by German scientist W. Knop in 1844 and first synthesized between 1933-1937 by Curd and Robertson. Usnic a ... and a series of distinct triterpenes as well as showing morphological differences from the related ''Psoroma'' and '' Psorophorus''. Species * '' Xanthopsoroma contextum'' (Stirt.) Elvebakk & S.G.Hong * '' Xanthopsoroma soccatum'' (R.Br. ex Cromb.) Elvebakk References Lichen genera Peltigerales Taxa named by André Michaux Peltigerales genera {{Peltigerales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arve Elvebakk
Arve Elvebakk (born 1951) is a Norwegian mycologist and professor working from the Arctic University of Norway in Tromsø who has published widely on Arctic biology, and climatology. Additionally, he collaborates with many mycologists across the world, and has published names for lichens in Australia, New Zealand, the South Pacific, and South America, and the Antarctic. Some published names *''Gibbosporina'' *''Gibbosporina acuminata'' *''Gibbosporina elixii'' *''Pannaria phyllidiata ''Pannaria phyllidiata'' is a species of lichen in the family Pannariaceae. Known from Australia, it was described as new to science in 2011. It is characterised by its unique (small leaf-like or scale-like propagules) and distinct distribu ...'' See also Taxa named by Arve Elvebakk. Selected works See opposite:. Books * Journal articles * * * * * * References {{DEFAULTSORT:Elvebakk, Arve 1951 births Living people 20th-century Norwegian scientists Norwegian mycologis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soon Gyu Hong
Soon may refer to: Music * ''Soon'' (musical), a 1971 rock opera by Joseph M. Kookolis and Scott Fagan Albums * ''Soon'' (album), a 1993 album by Tanya Tucker, and the title song (see below) * ''Soon'' (EP), a 1997 EP by Far Songs * "Soon" (1927 song), from the musical ''Strike Up the Band'' * "Soon" (Tanya Tucker song), 1993 * "Soon", by Dexys Midnight Runners from '' BBC Radio One Live in Concert'' * "Soon", by LeAnn Rimes from ''I Need You'' * "Soon", by My Bloody Valentine from '' Glider'' * "Soon", by Yes from '' The Gates of Delirium'' * "Soon", from the film '' Mississippi'' * "Soon", from the musical '' Bajour'' * "Soon (I Like It)", by Imani Coppola from '' Chupacabra'' * "Soon", by U2, used as the introduction music for shows during their 360° Tour People with the surname * Sun (surname) or Soon, a transliteration of a common Chinese surname * Lyndel Soon (born 1978), Malaysian pageant contestant and actress * Willie Soon Willie Wei-Hock Soon (born S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Introduction to Lichens – An Alliance between Kingdoms . University of California Museum of Paleontology. Lichens have properties different from those of their component organisms. They come in many colors, sizes, and forms and are sometimes plant-like, but are not s. They may have tiny, leafless branches (); flat leaf-like structures ( |
Pannariaceae
The Pannariaceae are a family of lichens in the order Peltigerales (suborder Collematineae). Species from this family have a widespread distribution, but are especially prevalent in southern temperate regions. Genera According to a recent (2020) estimate, the family contains 27 genera and about 360 species. The following list indicates the genus name, the taxonomic authority, year of publication, and the number of species: *'' Atrophysma'' – 1 sp. *'' Austrella'' – 3 spp. *'' Austroparmeliella'' – 5 spp. *''Degelia'' – 16 spp. *'' Erioderma'' – 32 spp. *'' Fuscoderma'' – 5 spp. *''Fuscopannaria'' – 58 spp. *'' Kroswia'' – 4 spp. *'' Gibbosporina'' – 13 spp. *'' Homothecium'' – 4 spp. *'' Joergensenia'' – 1 sp. *'' Leciophysma'' – 2 spp. *'' Leightoniella'' – 1 sp. *'' Leioderma'' – 7 spp. *'' Lepidocollema'' – 22 spp. *'' Leptogidium'' – 3 spp. *''Nebularia'' – 2 spp. *'' Nevesia'' – 1 sp. *''Pannaria'' – ca. 40 spp. *''P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Psoroma
''Psoroma'' is a genus of lichenized fungi in the family Pannariaceae The Pannariaceae are a family of lichens in the order Peltigerales (suborder Collematineae). Species from this family have a widespread distribution, but are especially prevalent in southern temperate regions. Genera According to a recent (202 .... The genus was circumscribed by French botanist André Michaux in 1803. The widespread genus contains an estimated 58 species, most of which are found in south temperate regions. Some species formerly in ''Psoroma'' were transferred to the new genera '' Psorophorus'' and '' Xanthopsoroma'' in 2010. The genus '' Joergensenia'' was erected in 2008 to contain the species formerly known as ''Psoroma cephalodinum''. Species *'' Psoroma absconditum'' *'' Psoroma asperellum'' *'' Psoroma caliginosum'' *'' Psoroma capense'' – South Africa *'' Psoroma cinnamomeum'' *'' Psoroma cyanosorediatum'' *'' Psoroma echinaceum'' *'' Psoroma esterhuyseniae'' – South Africa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Usnic Acid
Usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species with the formula C18H16O7. It was first isolated by German scientist W. Knop in 1844 and first synthesized between 1933-1937 by Curd and Robertson. Usnic acid was identified in many genera of lichens including ''Usnea'', ''Cladonia'', ''Hypotrachyna'', ''Lecanora'', ''Ramalina'', ''Evernia'', ''Parmelia'' and '' Alectoria''. Although it is generally believed that usnic acid is exclusively restricted to lichens, in a few unconfirmed isolated cases the compound was found in kombucha tea and non-lichenized ascomycetes. At normal conditions, usnic acid is a bitter, yellow, solid substance. It is known to occur in nature in both the d- and l-forms as well as a racemic mixture. Salts of usnic acid are called usnates (e.g. copper usnate). Biological role in lichens Usnic acid is a secondary metabolite in lichens whose role has not been completely elucidated. It is believed that usnic acid protect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Triterpene
Triterpenes are a class of chemical compounds composed of three terpene units with the molecular formula C30H48; they may also be thought of as consisting of six isoprene units. Animals, plants and fungi all produce triterpenes, including squalene, the precursor to all steroids. Structures Triterpenes exist in a great variety of structures. Nearly 200 different skeletons have been identified. These skeletons may be broadly divided according to the number of rings present. In general pentacyclic structures (5 rings) tend to dominate. Squalene is biosynthesized through the head-to-head condensation of two farnesyl pyrophosphate units. This coupling converts a pair of C15 components into a C30 product. Squalene serves as precursor for the formation of many triterpenoids, including bacterial hopanoids and eukaryotic sterols. Triterpenoids By definition triterpenoids are triterpenes that possess heteroatoms, usually oxygen. The terms ''triterpene'' and ''triterpenoid'' oft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Psorophorus
''Psorophorus'' is a genus of lichenized fungi in the family Pannariaceae. It contains 2 known species. ''Psorophorus'' was described as a new genus in 2010 when it was separated from the closely related genus ''Psoroma''. ''Psorophorus'' species differ from other species in the family in being corticolous, having adpressed squamules on a distinct, dark prothallus, lacking melanins, having a thin cortical layer and a simpler apical ascus An ascus (; ) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division. However, asci in some genera or s ... structure. Species * '' Psorophorus pholidotus'' (Mont.) Elvebakk & S.G.Hong * '' Psorophorus fuegiensis'' (Zahlbr.) Elvebakk & S.G.Hong References Lichen genera Peltigerales Peltigerales genera {{Peltigerales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xanthopsoroma Contextum
''Xanthopsoroma'' is a genus of lichenized fungi in the family Pannariaceae. It contains 2 known species. ''Xanthopsoroma'' was described as a new genus in 2010 when it was separated from the closely related genus ''Psoroma''. Characteristics of ''Xanthopsoroma'' species include the production of usnic acid Usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species with the formula C18H16O7. It was first isolated by German scientist W. Knop in 1844 and first synthesized between 1933-1937 by Curd and Robertson. Usnic a ... and a series of distinct triterpenes as well as showing morphological differences from the related ''Psoroma'' and '' Psorophorus''. Species * '' Xanthopsoroma contextum'' (Stirt.) Elvebakk & S.G.Hong * '' Xanthopsoroma soccatum'' (R.Br. ex Cromb.) Elvebakk References Lichen genera Peltigerales Taxa named by André Michaux Peltigerales genera {{Peltigerales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xanthopsoroma Soccatum
''Xanthopsoroma'' is a genus of lichenized fungi in the family Pannariaceae. It contains 2 known species. ''Xanthopsoroma'' was described as a new genus in 2010 when it was separated from the closely related genus ''Psoroma''. Characteristics of ''Xanthopsoroma'' species include the production of usnic acid and a series of distinct triterpenes as well as showing morphological differences from the related ''Psoroma'' and '' Psorophorus''. Species * ''Xanthopsoroma contextum ''Xanthopsoroma'' is a genus of lichenized fungi in the family Pannariaceae. It contains 2 known species. ''Xanthopsoroma'' was described as a new genus in 2010 when it was separated from the closely related genus ''Psoroma''. Characteristics ...'' (Stirt.) Elvebakk & S.G.Hong * '' Xanthopsoroma soccatum'' (R.Br. ex Cromb.) Elvebakk References Lichen genera Peltigerales Taxa named by André Michaux Peltigerales genera {{Peltigerales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lichen Genera
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Introduction to Lichens – An Alliance between Kingdoms . University of California Museum of Paleontology. Lichens have properties different from those of their component organisms. They come in many colors, sizes, and forms and are sometimes plant-like, but are not s. They may have tiny, leafless branches (); flat leaf-like structures ( |
