@ARTICLE{TreeBASE2Ref15600, author = {Alexandra M. Gottlieb and Robert W. Lichtwardt}, title = {Molecular variation within and between species of Harpellales (Trichomycetes).}, year = {2000}, keywords = {18S rDNA; ITS; phylogeny; RFLP; Smittium; Trichomycetes; Zygomycota}, doi = {}, url = {http://www.jstor.org/stable/3761606}, pmid = {}, journal = {Mycologia}, volume = {93}, number = {1}, pages = {65--80}, abstract = {Intra- and interspecific variation of the nuclear ribosomal internal transcribed spacers (ITS) of 77 Smittium isolates and related genera was studied using RFLPs. Due to the sequence and length variation encountered, the ITS is unsuitable for comparison at the species level within Smittium, as presently delimited. Intra- and interspecific variation of 18S rDNA was also analyzed. Cladistic analysis of 32 new 18S rDNA sequences resolved at least five lineages and suggests that Smittium is non-monophyletic. In addition, 17 18S rDNA sequences from 5 orders of Zygomycota were included to assess phyletic relationships with the Trichomycetes. The kickxellid origin of Trichomycetes was not strongly supported. Morphological features of trichomycete taxa included in this study are discussed.} }

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