Phylogenetic classification of Pleurothecium and Pleurotheciella gen. nov. and its dactylaria-like anamorph (Sordariomycetes) based on nuclear ribosomal and protein-coding genes 期刊名称： Mycologia
作者： Reblova, M.,Seifert, K. A.,Fournier, J.,Stepanek, V.
年份： 2012年
seifert期号： 第6期
关键词： holoblastic denticulate conidiogenesis;life
cycles;Sterigmatobotrys;systematics;three-gene phylogeny
摘要：Two strains of an unidentified perithecial ascomycete with a dactylaria-like
anamorph and another morphologically similar strain of a dactylaria-like fungus
were collected on decaying wood submerged in freshwater. To study their
phylogenetic relationships we (i) combined sequence data from the nuclear small
and large subunits ribosomal DNA (nc18S and nc28S) and the second largest
subunit of RNA polymerase II (RPB2) for a multigene phylogenetic analysis and (ii)
used sequences of the internal transcribed spacer region (ITS) of the rRNA operon
for a species-level analysis. The new genus Pleurotheciella is described for two new
species, Pla. rivularia and Pla. centenaria, with nonstromatic perithecia, unitunicate
asci, persistent paraphyses and hyaline, septate ascospores and dactylaria-like
anamorphs characterized by holoblastic,...
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