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Genetic Variation in Two Cultures of Bradyrhizobium japonicum 110 Differing in Their Ability to Impart Drought Tolerance to Soybean |
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| Authors: | James N Mathis David E McMillin Rebecca A Champion Patrick G Hunt |
| Institution: | (1) Department of Biology, State University of West Georgia, Carrollton, GA 30118, USA , US;(2) Department of Biological Sciences, Clark Atlanta University, Atlanta, GA 30314, USA , US;(3) Department of Biology, Columbus State University, Columbus, GA 31907, USA , US;(4) USDA-ARS, Coastal Plains Research Center, 2611 West Lucas Street, Florence, SC 29501-1241, USA , US |
| Abstract: | The polymerase chain reaction with arbitrary primers (RAPD) discriminated between two separately maintained cultures of Bradyrhizobium japonicum USDA 110 differing in symbiotic performance under drought conditions. Since strain 110 is used in inoculum production, the use of RAPD to monitor inoculum cultures could help to preserve their genetic composition and prevent the loss of important symbiotic properties. The use of RAPD could also be extended to other B. japonicum strains currently used in inoculum production. Received: 19 May 1997 / Accepted: 27 June 1997 |
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