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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Polytolypa ： ウィキペディア英語版 Polytolypa ''Polytolypa'' is a monotypic genus of fungus containing the single species ''Polytolypa hystricis''. First classified in the Onygenaceae family, as of 2008 it is considered to be in the Ajellomycetaceae, although there is still uncertainty as to its phylogenetic relationships with other similar genera. This species is only known from a single specimen derived in the laboratory from a specimen of dung of the North American porcupine, ''Erethizon dorsatum'', collected in Ontario, Canada.〔 ''Polytolypa hystricis'' contains bioactive compounds that have antifungal activity. ==Taxonomy, phylogeny, and naming== The genus was first described in 1993 by University of Toronto botanists J.A. Scott and D.W. Malloch, who grew the fungus in moist chamber cultures of porcupine dung collected in Stoneleigh, Ontario, Canada. The generic name ''Polytolypa'' is from the Greek word ''poly'' (πολυ) meaning "many", and ''tolype'' (τολυπη), meaning "skein of yarn". The specific epithet ''hystricis'' comes from the Greek ''hystrix'' (υστριξ), or "porcupine".〔 The genus has been classified in the Onygenaceae,〔 a fungal family characterized by species capable of digesting human hair ''in vitro'', and with spores that are punctate (with minute surface punctures) when viewed with scanning electron microscopy. However, as Scott and colleagues demonstrated using traditional laboratory tests to determine keratinolytic activity., ''P. hystricus'' is not able to digest hair.〔 There is still uncertainty as to its phylogenetic relationships with other similar genera. ''Polytolypa'' is thought to be evolutionarily most closely related to the genera ''Malbranchea'' and ''Spiromastix''. The grouping of ''Polytolypa'' and ''Spiromastix'' represent a sister clade to the Ajellomyces clade, based on analysis of partial nuclear LSU sequence data.〔 However, the phylogenetics of ''Polytolypa'' are still unclear and await further study.〔 The 10th edition of the ''Dictionary of the Fungi'' (2008) considers the genus to be in the Ajellomycetaceae family, although uncertainty with this classification is indicated in the entry;〔 in contrast, the online mycological database MycoBank classifies the genus in the Onygenaceae.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Polytolypa」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.