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Article

Wheat domestication accelerated evolution and triggered positive selection in the beta-xylosidase enzyme of Mycosphaerella graminicola.

PloS one - 18 Nov 2009

Brunner Patrick C, Keller Nicolas, McDonald Bruce A

Abstract excerpt

Plant cell wall degrading enzymes (PCWDEs) of plant pathogens are receiving increasing interest for their potential to trigger plant defense reactions. In an antagonistic co-evolutionary arms race between host and pathogen, PCWDEs could be under strong selection. Here, we tested the hypothesis that PCWDEs in the fungal wheat pathogen Mycosphaerella graminicola have been positively selected by analyzing ratios of...

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Identifiers

PMID: 19924304
DOI: 10.1371/journal.pone.0007884
PMCID: PMC2774967

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