Comparisons of soluble proteins and isozymes for seven Pythium species and applications of the biochemical data to Pythium systematics

Document Type

Article

Publication Date

1-1-1991

Abstract

Seven homothallic Pythium species were compared using SDS-polyacrylamide gel electrophoresis of soluble proteins and starch gel isozyme analysis. Similarities in soluble protein banding patterns and isozyme phenotypes were detected for morphologically distinct species. However, morphologically similar species (P. aphanidermatum vs. P. deliense and P. arrhenomanes vs. P. graminicola) were not always distinguishable. Cluster and principle component analysis of data from both soluble proteins and isozymes generally grouped the isolates by species. Levels of intraspecific variation differed between species with each technique. Implications of the results from protein electrophoresis and isozyme analysis for Pythium systematics are discussed. © 1991, British Mycological Society. All rights reserved.

Publication Source (Journal or Book title)

Mycological Research

First Page

548

Last Page

555

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