Specific resistances against Pseudomonas syringae effectors AvrB and AvrRpm1 have evolved differently in common bean (Phaseolus vulgaris), soybean (Glycine max), and Arabidopsis thaliana

*In plants, the evolution of specific resistance is poorly understood. Pseudomonas syringae effectors AvrB and AvrRpm1 are recognized by phylogenetically distinct resistance (R) proteins in Arabidopsis thaliana (Brassicaceae) and soybean (Glycine max, Fabaceae). In soybean, these resistances are enc...

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Veröffentlicht in:The New phytologist. - 1979. - 187(2010), 4 vom: 28. Sept., Seite 941-956
1. Verfasser: Chen, Nicolas W G (VerfasserIn)
Weitere Verfasser: Sévignac, Mireille, Thareau, Vincent, Magdelenat, Ghislaine, David, Perrine, Ashfield, Tom, Innes, Roger W, Geffroy, Valérie
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. AvrB protein, Pseudomonas syringae AvrRpm1 protein, Pseudomonas syringae Bacterial Proteins
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100 1 |a Chen, Nicolas W G  |e verfasserin  |4 aut 
245 1 0 |a Specific resistances against Pseudomonas syringae effectors AvrB and AvrRpm1 have evolved differently in common bean (Phaseolus vulgaris), soybean (Glycine max), and Arabidopsis thaliana 
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520 |a *In plants, the evolution of specific resistance is poorly understood. Pseudomonas syringae effectors AvrB and AvrRpm1 are recognized by phylogenetically distinct resistance (R) proteins in Arabidopsis thaliana (Brassicaceae) and soybean (Glycine max, Fabaceae). In soybean, these resistances are encoded by two tightly linked R genes, Rpg1-b and Rpg1-r. To study the evolution of these specific resistances, we investigated AvrB- and AvrRpm1-induced responses in common bean (Phaseolus vulgaris, Fabaceae). *Common bean genotypes of various geographical origins were inoculated with P. syringae strains expressing AvrB or AvrRpm1. A common bean recombinant inbred line (RIL) population was used to map R genes to AvrRpm1. *No common bean genotypes recognized AvrB. By contrast, multiple genotypes responded to AvrRpm1, and two independent R genes conferring AvrRpm1-specific resistance were mapped to the ends of linkage group B11 (Rpsar-1, for resistance to Pseudomonas syringae effector AvrRpm1 number 1) and B8 (Rpsar-2). Rpsar-1 is located in a region syntenic with the soybean Rpg1 cluster. However, mapping of specific Rpg1 homologous genes suggests that AvrRpm1 recognition evolved independently in common bean and soybean. *The conservation of the genomic position of AvrRpm1-specific genes between soybean and common bean suggests a model whereby specific clusters of R genes are predisposed to evolve recognition of the same effector molecules 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 7 |a AvrB protein, Pseudomonas syringae  |2 NLM 
650 7 |a AvrRpm1 protein, Pseudomonas syringae  |2 NLM 
650 7 |a Bacterial Proteins  |2 NLM 
700 1 |a Sévignac, Mireille  |e verfasserin  |4 aut 
700 1 |a Thareau, Vincent  |e verfasserin  |4 aut 
700 1 |a Magdelenat, Ghislaine  |e verfasserin  |4 aut 
700 1 |a David, Perrine  |e verfasserin  |4 aut 
700 1 |a Ashfield, Tom  |e verfasserin  |4 aut 
700 1 |a Innes, Roger W  |e verfasserin  |4 aut 
700 1 |a Geffroy, Valérie  |e verfasserin  |4 aut 
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