The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA
The 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...
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th-cmuir.6653943832-50542014-08-30T02:56:06Z The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA Kodsueb R. Dhanasekaran V. Aptroot A. Lumyong S. McKenzie E.H.C. Hyde K.D. Jeewon R. The 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. © 2006 by The Mycological Society of America. 2014-08-30T02:56:06Z 2014-08-30T02:56:06Z 2006 Article 00275514 10.3852/mycologia.98.4.571 17139850 MYCOA http://www.scopus.com/inward/record.url?eid=2-s2.0-33751215490&partnerID=40&md5=f8fcfa925b3258e756d44fd54f2b6f76 http://www.ncbi.nlm.nih.gov/pubmed/17139850 http://cmuir.cmu.ac.th/handle/6653943832/5054 English |
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The 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. © 2006 by The Mycological Society of America. |
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Article |
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Kodsueb R. Dhanasekaran V. Aptroot A. Lumyong S. McKenzie E.H.C. Hyde K.D. Jeewon R. |
spellingShingle |
Kodsueb R. Dhanasekaran V. Aptroot A. Lumyong S. McKenzie E.H.C. Hyde K.D. Jeewon R. The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA |
author_facet |
Kodsueb R. Dhanasekaran V. Aptroot A. Lumyong S. McKenzie E.H.C. Hyde K.D. Jeewon R. |
author_sort |
Kodsueb R. |
title |
The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA |
title_short |
The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA |
title_full |
The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA |
title_fullStr |
The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA |
title_full_unstemmed |
The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA |
title_sort |
family pleosporaceae: intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28s rdna |
publishDate |
2014 |
url |
http://www.scopus.com/inward/record.url?eid=2-s2.0-33751215490&partnerID=40&md5=f8fcfa925b3258e756d44fd54f2b6f76 http://www.ncbi.nlm.nih.gov/pubmed/17139850 http://cmuir.cmu.ac.th/handle/6653943832/5054 |
_version_ |
1681420352990740480 |