Phylogeny of Ophioceras spp. based on morphological and molecular data

Autor:	Weidong Chen, J. L. Crane, Carol A. Shearer
Rok vydání:	1999
Předmět:	Physiology Pseudohalonectria Zoology Ophioceras Cell Biology General Medicine Biology biology.organism_classification Ophiostomatales Sister group Genus Phylogenetics Genetics 18s rdna Clade Molecular Biology Ecology Evolution Behavior and Systematics
Zdroj:	Mycologia. 91:84-94
ISSN:	1557-2536 0027-5514
DOI:	10.1080/00275514.1999.12060995
Popis:	Collections from freshwater habitats of un- described Ophioceras-like pyrenomycetes with scole- cosporous ascospores were characterized using mor- phological characters, restriction analysis of PCR am- plified rDNA, and 18S rDNA sequences. Five species of Ophioceras were resolved and one species was ex- cluded from the genus. Parsimony analysis of mor- phological characters did not resolve relationships among species of Ophioceras and Pseudohalonectria, two closely related freshwater genera. Based on phy- logenetic analysis of partial 18S rDNA sequences, spe- cies of Pseudohalonectria form a sister clade to Ophi- oceras thereby supporting the integrity but close re- lationship of these two freshwater genera. Gaeuman- nomyces graminis falls within the Ophioceras/ Pseudohalonectria clade and is a sister taxon to a spe
Databáze:	OpenAIRE
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