Literature DB >> 12595998

Identification of a 47-kb DNA fragment containing Xa4, a locus for bacterial blight resistance in rice.

X Sun1, Z Yang, S Wang, Q Zhang.   

Abstract

Bacterial blight caused by Xanthomonas oryzae pv oryzae is a devastating disease in rice worldwide. The resistance gene Xa4 has been widely used in breeding programs and played an important role in protecting rice from this disease. Using 642 highly susceptible individuals and a random sample of 255 individuals from an F(2) population developed from a cross between IRBB4 and IR24, the Xa4 gene was genetically mapped to a region less than 1 cM. A contig map was constructed for the Xa4 region consisting of six non-redundant bacterial artificial chromosome (BAC) clones and spanning approximately 500 kb in length. Analysis of recombination events in the Xa4 region located the gene locus to one BAC, 3H8. Assay of the recombinants using the subclones of 3H8 in combination with sequence analysis further narrowed the Xa4 locus down to a 47-kb fragment.

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Year:  2002        PMID： 12595998     DOI： 10.1007/s00122-002-1117-8

Source DB:  PubMed          Journal:  Theor Appl Genet        ISSN： 0040-5752            Impact factor:   5.699


  24 in total

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Journal:  Theor Appl Genet       Date:  2005-11-10       Impact factor: 5.699

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Journal:  Theor Appl Genet       Date:  2016-06-21       Impact factor: 5.699

4.  The Pik-p resistance to Magnaporthe oryzae in rice is mediated by a pair of closely linked CC-NBS-LRR genes.

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Journal:  Theor Appl Genet       Date:  2010-12-12       Impact factor: 5.699

5.  High-resolution mapping, cloning and molecular characterization of the Pi-k ( h ) gene of rice, which confers resistance to Magnaporthe grisea.

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Journal:  Physiol Mol Biol Plants       Date:  2022-02-25

7.  High-resolution genetic mapping of Xa27(t), a new bacterial blight resistance gene in rice, Oryza sativa L.

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Journal:  Theor Appl Genet       Date:  2003-10-31       Impact factor: 5.699

8.  Fine genetic mapping of xa24, a recessive gene for resistance against Xanthomonas oryzae pv. oryzae in rice.

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Journal:  Theor Appl Genet       Date:  2008-09-16       Impact factor: 5.699

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Authors:  Z Yang; X Sun; S Wang; Q Zhang
Journal:  Theor Appl Genet       Date:  2003-02-12       Impact factor: 5.699

10.  Genome-Wide Association Mapping and Gene Expression Analysis Reveal the Negative Role of OsMYB21 in Regulating Bacterial Blight Resistance in Rice.

Authors:  Wu Yang; Junliang Zhao; Shaohong Zhang; Luo Chen; Tifeng Yang; Jingfang Dong; Hua Fu; Yamei Ma; Lian Zhou; Jian Wang; Wei Liu; Qing Liu; Bin Liu
Journal:  Rice (N Y)       Date:  2021-06-29       Impact factor: 4.783
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