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・ Phiala uelleburgensis
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Phialemonium curvatum
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Phialemonium curvatum : ウィキペディア英語版
Phialemonium curvatum

''Phialemonium curvatum'' is a pathogenic fungus in the phylum Ascomycota.〔(【引用サイトリンク】title=Phialemonium curvatum )〕 The genus was created to accommodate taxa intermediate to ''Acremonium'' and ''Phialophora''. This genus is characterized by its abundance of adelophialides and few discrete phialides with no signs of collarettes.〔 Specifically ''P. curvatum'', is characterized by its grayish white colonies and its allantoid conidia.〔 ''Phialemonium curvatum'' is typically found in a variety of environments including: air, soil, industrial water and sewage.〔 Furthermore, ''P. curvatum'' affects mainly immunocompromised and is rarely seen in immunocompetent people.〔 The species has been known to cause peritonitis,〔 endocarditis, endovascular infections,〔 osteomyelitis〔 as well as cutaneous infections of wounds and burns.〔
==Description and identification==

''Phialemonium curvatum'' was first described by W. Gans et McGinnis in 1983.〔 It is noted as being pigmented although it lacks dark pigmentation. The colony appearance is flat and glabrous with a white turning yellow appearance surrounded by a yellow pigment surrounding the colony.〔〔〔 Conidia of ''P. curvatum'' are uniformly cylindrical to bean-shaped with their length ranging from 3.5–6.0 μm and their width varying from 1.0–1.4 μm. A key feature of ''P. curvatum'' is its lack of chlamydoconidia, distinguishing it from ''P. obovatum''.〔 As well, the phialides of ''P. curvatum'' have poorly defined to absent collarettes with their dimensions varying from 1–7 x 0.5–1.0 μm.〔 ''Phialemonium curvatum'' can grow at temperatures between 10–36 °C.〔 Another way of identifying ''P. curvatum'' is through the use of PCR and DNA sequencing of the internal transcribed spacer (ITS). By incubating a suspected culture in a GEPD medium at 30 °C, a culture can be grown to allow for the isolation and extraction of genomic DNA.〔 Then through the use ITS1 primers and ITS4, the samples can be amplified, sequenced and analyzed to allow for the identification of ''P. curvatum''.〔〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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