The Diseases Resistance Analysis of OsBRR1,A Putative Rice Receptor Like Kinase

doi:10.7668/hbnxb.2011.04.004

Abstract

Abstract: OsBRR1 is a novel member of leucine-rich repeat receptor-like kinases family,most of which regulate a wide variety of developmental and defense-related processes.In this study,evaluation of disease resistance was performed separately to the lines of OsBRR1-suppression plants as well as overexpressing plants.Wild-type plants showed intermediate resistance to weakly virulent isolate of Magnaporthe oryzae,Ken 54-04,while OsBRR1-suppression plants were susceptible to Ken 54-04.Furthermore,OsBRR1-overexpressing plants exhibited enhanced resistance to some virulent isolates(97-27-2,99-31-1 and Zhong 10-8-14).These results indicate that OsBRR1 is involved in rice resistance responses to blast fungus and mediates resistance to rice blast.

Key words: Receptor-like kinase, Rice blast resistance, RNA interference, Overexpression

CLC Number:

LI Ya-dong, HE Jin-gang. The Diseases Resistance Analysis of OsBRR1,A Putative Rice Receptor Like Kinase[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(4): 27-31. doi: 10.7668/hbnxb.2011.04.004.

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