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Author Yoshimura,S., Yamanouchi,U., Katayose,Y., Toki,S., Wang,Z.X., Kono,I., Kurata,N., Yano,M., Iwata,N. and Sasaki,T.
Title Expression of Xa1, a bacterial blight-resistance gene in rice, is induced by bacterial inoculation.
Abstract:
The Xa1 gene in rice confers resistance to Japanese race 1 of Xanthomonas oryzae pv. oryzae, the causal pathogen of bacterial blight (BB). We isolated the Xa1 gene by a map-based cloning strategy. The deduced amino acid sequence of the Xa1 gene product contains nucleotide binding sites (NBS) and a new type of leucine-rich repeats (LRR); thus, Xa1 is a member of the NBS-LRR class of plant disease-resistance genes, but quite different from Xa21, another BB-resistance gene isolated from rice. Interestingly, Xa1 gene expression was induced on inoculation with a bacterial pathogen and wound, unlike other isolated resistance genes in plants, which show constitutive expression. The induced expression may be involved in enhancement of resistance against the pathogen.
Journal Proc. Natl. Acad. Sci. U.S.A.
Country
Volume 95(4)
Pages 1663-1668
Year 1998
PubMed ID 9465073
PubMed Central ID -
DOI -
URL -
Relation
Gene XA1
INSD AB002266
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
-
Stages in Each Organ
- Muant Lines (Gene)
-
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
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