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Article: Molecular phylogeny of Dictyosporium and allied genera inferred from ribosomal DNA

TitleMolecular phylogeny of Dictyosporium and allied genera inferred from ribosomal DNA
Authors
KeywordsFreshwater
Hyphomycetes
Lignicolous
Pleosporales
Systematics
Issue Date2006
PublisherFungal Diversity Press. The Journal's web site is located at http://www.fungaldiversity.org/fdp/jumble.php
Citation
Fungal Diversity, 2006, v. 21, p. 157-166 How to Cite?
AbstractThe relationships among mitosporic fungi with cheiroid conidia in the genera Cheiromoniliophora, Dictyosporium, Kamatia and Pseudodictyosporium were investigated using sequences of small ribosomal subunit (SSU), internal transcribed spacer regions (ITS) and the 5′ portion of the large ribosomal subunit (LSU) of RNA. Six new SSU sequences were determined and analysed together with related sequences from GenBank using parsimony and Bayesian analyses. A second alignment with 15 ITS and seven partial LSU sequence of rDNA for an expanded set of taxa was also analysed to determine the relationships among various species and genera. Results indicated that the 'Dictyosporium' lineage of mitosporic fungi producing cheiroid conidia are closely related to one another and they form a strong monophyletic group in the Pleosporales. Dictyosporium appeared to be paraphyletic but its monophyly could not be ruled out. Most Dictyosporium species belonged in one of two lineages that correlated imperfectly with conidial shape and the number of conidial arms. The systematic positions of Dictyosporium australiense and D. toruloides were not fully resolved. The phylogenetic position of Digitodesmium was within Dictyosporium, although without statistical support. Cheiromoniliophora elegans, Kamatia indica and Pseudodictyosporium wauense were close relatives and formed a monophyletic clade divergent from species of Dictyosporium. Most morphological characters used to delineate genera and species correctly predicted phylogenetic relationships.
Persistent Identifierhttp://hdl.handle.net/10722/223525
ISSN
2015 Impact Factor: 6.991
2015 SCImago Journal Rankings: 3.027

 

DC FieldValueLanguage
dc.contributor.authorTsui, CKM-
dc.contributor.authorBerbee, ML-
dc.contributor.authorJeewon, R-
dc.contributor.authorHyde, KD-
dc.date.accessioned2016-03-01T06:54:33Z-
dc.date.available2016-03-01T06:54:33Z-
dc.date.issued2006-
dc.identifier.citationFungal Diversity, 2006, v. 21, p. 157-166-
dc.identifier.issn1560-2745-
dc.identifier.urihttp://hdl.handle.net/10722/223525-
dc.description.abstractThe relationships among mitosporic fungi with cheiroid conidia in the genera Cheiromoniliophora, Dictyosporium, Kamatia and Pseudodictyosporium were investigated using sequences of small ribosomal subunit (SSU), internal transcribed spacer regions (ITS) and the 5′ portion of the large ribosomal subunit (LSU) of RNA. Six new SSU sequences were determined and analysed together with related sequences from GenBank using parsimony and Bayesian analyses. A second alignment with 15 ITS and seven partial LSU sequence of rDNA for an expanded set of taxa was also analysed to determine the relationships among various species and genera. Results indicated that the 'Dictyosporium' lineage of mitosporic fungi producing cheiroid conidia are closely related to one another and they form a strong monophyletic group in the Pleosporales. Dictyosporium appeared to be paraphyletic but its monophyly could not be ruled out. Most Dictyosporium species belonged in one of two lineages that correlated imperfectly with conidial shape and the number of conidial arms. The systematic positions of Dictyosporium australiense and D. toruloides were not fully resolved. The phylogenetic position of Digitodesmium was within Dictyosporium, although without statistical support. Cheiromoniliophora elegans, Kamatia indica and Pseudodictyosporium wauense were close relatives and formed a monophyletic clade divergent from species of Dictyosporium. Most morphological characters used to delineate genera and species correctly predicted phylogenetic relationships.-
dc.languageeng-
dc.publisherFungal Diversity Press. The Journal's web site is located at http://www.fungaldiversity.org/fdp/jumble.php-
dc.relation.ispartofFungal Diversity-
dc.subjectFreshwater-
dc.subjectHyphomycetes-
dc.subjectLignicolous-
dc.subjectPleosporales-
dc.subjectSystematics-
dc.titleMolecular phylogeny of Dictyosporium and allied genera inferred from ribosomal DNA-
dc.typeArticle-
dc.identifier.emailJeewon, R: rajeshjeewon@yahoo.com-
dc.identifier.emailHyde, KD: kdhyde@hkucc.hku.hk-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.scopuseid_2-s2.0-33745511190-
dc.identifier.hkuros123278-
dc.identifier.volume21-
dc.identifier.spage157-
dc.identifier.epage166-
dc.publisher.placeHong Kong-

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