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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
The family Pleosporaceae: Intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28S rDNA
Mycologia, Volume 98, No. 4, Year 2006
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Description
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.
Authors & Co-Authors
Kodsueb, Rampai
Thailand, Chaing Mai
Chiang Mai University
Aptroot, André
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Lumyong, Saisamorn
Thailand, Chaing Mai
Chiang Mai University
McKenzie, Eric Huge Charles
New Zealand, Auckland
Landcare Research, Auckland
Hyde, Kevin D.
Hong Kong, Hong Kong
The University of Hong Kong
Jeewon, Rajesh
Hong Kong, Hong Kong
The University of Hong Kong
Statistics
Citations: 69
Authors: 6
Affiliations: 4
Identifiers
Doi:
10.3852/mycologia.98.4.571
ISSN:
00275514