Role of Oryza sativa chitinases in disease resistance
Plant chitinases have long been implicated in defense responses against invading pests and pathogens. In Oryza sativa cv. Nipponbare (rice), chitinases have been shown to co-localize with disease resistance QTL, and are thought to contribute to a multigenic basal defense response. Previous work has shown that overexpression of several O. sativa class I chitinases resulted in heightened resistance to the fungal pathogens Rhizoctonia solani and Magnaporthe oryzae pv. oryzae. Here, I examined the responses of several O. sativa chitinase classes to the RNAi silencing of two transcriptionally active ...
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