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Rpg1, a soybean gene effective against races of bacterial blight, maps to a cluster of previously identified disease resistance genes

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Abstract

 Alleles, or tightly linked genes, at the soybean (Glycine max L. Merr.) Rpg1 locus confer resistance to races of Pseudomonas syringae pv. glycinea that express the avirulence genes avrB or avrRpm1. In this study we demonstrate that Rpg1 maps to a cluster of previously identified resistance genes, including those effective against fungal, viral and nematode pathogens. Rpg1 is in molecular linkage group (MLG) F, flanked by the markers K644 and B212. The RFLP markers R45, php2265 and php2385 cosegregated with Rpg1, as did the marker nbs61, which encodes a protein related to previously isolated resistance genes.

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Authors and Affiliations

  1. Department of Biology, Jordan Hall 142, Indiana University, Bloomington, Indiana 47405, USA Fax:+1(812) 855 6705 E-mail: rinnes@sunflower.bio.indiana.edu, , , , , , JO

    T. Ashfield, J. R. Danzer, D. Held & R. W. Innes

  2. Department of Research Specialists, Pioneer Hi-Bred International, 7250 N.W. 62nd Ave, Johnston, IA 50131-1004, USA, , , , , , US

    K. Clayton & D. M. Webb

  3. Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011-5640, USA, , , , , , US

    P. Keim

  4. Department of Crop and Soil Environmental Sciences, VPI and SU, Blacksburg, VA 24061-0404, USA, , , , , , US

    M. A. Saghai Maroof

Authors
  1. T. Ashfield
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  2. J. R. Danzer
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  3. D. Held
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  4. K. Clayton
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  5. P. Keim
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  6. M. A. Saghai Maroof
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  7. D. M. Webb
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  8. R. W. Innes
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Received: 7 July 1997 / Accepted: 6 October 1997

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Ashfield, T., Danzer, J., Held, D. et al. Rpg1, a soybean gene effective against races of bacterial blight, maps to a cluster of previously identified disease resistance genes. Theor Appl Genet 96, 1013–1021 (1998). https://doi.org/10.1007/s001220050833

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  • DOI: https://doi.org/10.1007/s001220050833

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