Literature DB >> 9874813

Diversity and molecular evolution of the RPS2 resistance gene in Arabidopsis thaliana.

A L Caicedo1, B A Schaal, B N Kunkel.   

Abstract

The RPS2 gene in Arabidopsis thaliana governs resistance to strains of the bacterial pathogen, Pseudomonas syringae pv. tomato, that express the avrRpt2 gene. The two loci are involved in a gene-for-gene interaction. Seventeen accessions of A. thaliana were sequenced to explore the diversity present in the coding region of the RPS2 locus. An unusually high level of nucleotide polymorphisms was found (1.26%), with nearly half of the observed polymorphisms resulting in amino acid changes in the RPS2 protein. Seven haplotypes (alleles) were identified and their evolutionary relationships deduced. Several of the alleles conferring resistance were found to be closely related, whereas susceptibility to disease was conferred by widely divergent alleles. The possibility of selection at the RPS2 locus is discussed.

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Year:  1999        PMID： 9874813      PMCID： PMC15134          DOI： 10.1073/pnas.96.1.302

Source DB:  PubMed          Journal:  Proc Natl Acad Sci U S A        ISSN： 0027-8424            Impact factor:   11.205


  20 in total

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Journal:  Plant Cell       Date:  1993-08       Impact factor: 11.277
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  47 in total

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Authors:  B A Schaal; K M Olsen
Journal:  Proc Natl Acad Sci U S A       Date:  2000-06-20       Impact factor: 11.205

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Authors:  Peter Tiffin
Journal:  Genetics       Date:  2004-07       Impact factor: 4.562

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Journal:  Genetics       Date:  2004-08       Impact factor: 4.562

Review 5.  Natural variation in Arabidopsis: from molecular genetics to ecological genomics.

Authors:  Detlef Weigel
Journal:  Plant Physiol       Date:  2011-12-06       Impact factor: 8.340

6.  Molecular evolution of a family of resistance gene analogs of nucleotide-binding site sequences in Solanum lycopersicum.

Authors:  Pei-Chun Liao; Kuan-Hung Lin; Chin-Ling Ko; Shih-Ying Hwang
Journal:  Genetica       Date:  2011-12-28       Impact factor: 1.082

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Journal:  Plant Cell       Date:  1999-11       Impact factor: 11.277

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Authors:  Karl J Schmid; Sebastian Ramos-Onsins; Henriette Ringys-Beckstein; Bernd Weisshaar; Thomas Mitchell-Olds
Journal:  Genetics       Date:  2005-01-16       Impact factor: 4.562

9.  Genetic diversity, recombination and cryptic clades in Pseudomonas viridiflava infecting natural populations of Arabidopsis thaliana.

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Journal:  Genetics       Date:  2004-10-16       Impact factor: 4.562

10.  Signature of balancing selection in Arabidopsis.

Authors:  Dacheng Tian; Hitoshi Araki; Eli Stahl; Joy Bergelson; Martin Kreitman
Journal:  Proc Natl Acad Sci U S A       Date:  2002-08-09       Impact factor: 11.205
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