@ARTICLE{TreeBASE2Ref17052, author = {Stephen W. Peterson and Eileen M Bayer and Donald T. Wicklow}, title = {Penicillium thiersii, Penicillium angulare and Penicillium decaturense, new species isolated from wood-decay fungi in North America and their phylogenetic placement from multilocus DNA sequence analysis}, year = {2004}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Mycologia}, volume = {}, number = {}, pages = {}, abstract = {We describe three new fungicolous species on the basis of phenotypic and phylogenetic differences from known species. Penicillium thiersii and P. angulare are monoverticillate, Penicillium decaturense is furcate. P. thiersii is phenotypically identified on the basis of several characteristics including growth rates, vesicle size and condium shape and roughening. Penicillium angulare is most closely related to P. adametzioides, and is distinguished from it by restricted growth rates and conidiophores greater than 60 ?m in length. Penicillium decaturense is most closely related to P. miczynskii and is distinguished from that species by growth rate, minimum growth temperature and pigment production on MEA. Multilocus phylogenetic analysis confirmed the genetic distinctness of P. decaturense, and the closely related species P. miczynskii, P. chrzaszczii and P. manginii. Penicillium rivolii is a synonym of P. waksmanii on the basis of this analysis. Analysis of the tef 1-alpha gene shows rapid changes of position, number and length of introns between the species, suggesting a recent evolutionary origin for the introns.} }

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