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Article: The family Pleosporaceae: intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA

TitleThe family Pleosporaceae: intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA
Authors
KeywordsAnamorphs
Ascospore morphology
Loculoascomycetes
Phylogeny
Pleospora
Issue Date2006
PublisherMycological Society of America. The Journal's web site is located at http://www.msafungi.org
Citation
Mycologia, 2006, v. 98 n. 4, p. 571-583 How to Cite?
AbstractThe Pleosporaceae is an important loculoascomycete family. There has been disagreement, however, regarding the taxonomic placement of many genera within this family. This study investigates phylogenetic relationships among the genera Cochliobolus, Kirschsteiniothelia, Leptosphaerulina, Macroventuria, Pleospora, Pyrenophora, and Wettsteinina. Partial 28S rDNA sequences from taxa within these genera were analyzed with maximum parsimony, likelihood and Bayesian methods. Cochliobolus can be segregated broadly into two groups as previously proposed. Pleospora is polyphyletic in its current sense. Taxa with Stemphylium anamorphs are closely related to Cochliobolus and fit within the Pleosporaceae, whereas the affinities of Pleospora herbarum and P. ambigua are still ambiguous. Pyrenophora constitutes a monophyletic group within the Pleosporaceae, whereas Leptosphaerulina and Macroventuria appear to share phylogenetic affinities with the Leptosphaeriaceae and Phaeosphaeriaceae. Phylogenies indicate that Wettsteinina should be excluded from the Pleosporaceae. Similar findings are reported for Kirschsteiniothelia, which is probably polyphyletic. Anamorphic characters appear to be significant (especially in Cochliobolus) while ascospore morphologies, such as shape and color and substrate occurrence are poor indicators of phylogenetic relationships among these loculoascomycetes.
Persistent Identifierhttp://hdl.handle.net/10722/57253
ISSN
2015 Impact Factor: 2.638
2015 SCImago Journal Rankings: 1.145
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKodsueb, Ren_HK
dc.contributor.authorVijaykrishna, Den_HK
dc.contributor.authorAptroot, Aen_HK
dc.contributor.authorLumyong, Sen_HK
dc.contributor.authorMckenzie, EHCen_HK
dc.contributor.authorHyde, KDen_HK
dc.contributor.authorJeewon, Ren_HK
dc.date.accessioned2010-04-12T01:30:58Z-
dc.date.available2010-04-12T01:30:58Z-
dc.date.issued2006en_HK
dc.identifier.citationMycologia, 2006, v. 98 n. 4, p. 571-583en_HK
dc.identifier.issn0027-5514en_HK
dc.identifier.urihttp://hdl.handle.net/10722/57253-
dc.description.abstractThe Pleosporaceae is an important loculoascomycete family. There has been disagreement, however, regarding the taxonomic placement of many genera within this family. This study investigates phylogenetic relationships among the genera Cochliobolus, Kirschsteiniothelia, Leptosphaerulina, Macroventuria, Pleospora, Pyrenophora, and Wettsteinina. Partial 28S rDNA sequences from taxa within these genera were analyzed with maximum parsimony, likelihood and Bayesian methods. Cochliobolus can be segregated broadly into two groups as previously proposed. Pleospora is polyphyletic in its current sense. Taxa with Stemphylium anamorphs are closely related to Cochliobolus and fit within the Pleosporaceae, whereas the affinities of Pleospora herbarum and P. ambigua are still ambiguous. Pyrenophora constitutes a monophyletic group within the Pleosporaceae, whereas Leptosphaerulina and Macroventuria appear to share phylogenetic affinities with the Leptosphaeriaceae and Phaeosphaeriaceae. Phylogenies indicate that Wettsteinina should be excluded from the Pleosporaceae. Similar findings are reported for Kirschsteiniothelia, which is probably polyphyletic. Anamorphic characters appear to be significant (especially in Cochliobolus) while ascospore morphologies, such as shape and color and substrate occurrence are poor indicators of phylogenetic relationships among these loculoascomycetes.en_HK
dc.languageengen_HK
dc.publisherMycological Society of America. The Journal's web site is located at http://www.msafungi.orgen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAnamorphsen_HK
dc.subjectAscospore morphologyen_HK
dc.subjectLoculoascomycetesen_HK
dc.subjectPhylogenyen_HK
dc.subjectPleosporaen_HK
dc.titleThe family Pleosporaceae: intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNAen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0027-5514&volume=98&issue=4&spage=571&epage=583&date=2006&atitle=The+family+Pleosporaceae:+intergeneric+relationships+and+phylogenetic+perspectives+based+on+sequence+analyses+of+partial+28S+rDNAen_HK
dc.identifier.emailKodsueb, R: kodsueb@yahoo.comen_HK
dc.identifier.emailVijaykrishna, D: veejay.here@gmail.comen_HK
dc.identifier.emailHyde, KD: kdhyde@hkucc.hku.hken_HK
dc.identifier.emailJeewon, R: rrjeewon@hku.hken_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.3852/mycologia.98.4.571en_HK
dc.identifier.pmid17139850-
dc.identifier.scopuseid_2-s2.0-33751215490-
dc.identifier.hkuros132194-
dc.identifier.isiWOS:000241956900007-

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