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Regus JU, Quides KW, O'Neill MR, Suzuki R, Savory EA, Chang JH, Sachs JL. Cell autonomous sanctions in legumes target ineffective rhizobia in nodules with mixed infections. AMERICAN JOURNAL OF BOTANY 2017; 104:1299-1312. [PMID: 29885243 DOI: 10.3732/ajb.1700165] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 08/11/2017] [Indexed: 05/22/2023]
Affiliation(s)
- John U. Regus
- Department of Evolution, Ecology, and Organismal Biology, 2710 Life Sciences Building, University of California, Riverside, California 92521 USA
| | - Kenjiro W. Quides
- Department of Evolution, Ecology, and Organismal Biology, 2710 Life Sciences Building, University of California, Riverside, California 92521 USA
| | - Matthew R. O'Neill
- Department of Evolution, Ecology, and Organismal Biology, 2710 Life Sciences Building, University of California, Riverside, California 92521 USA
| | - Rina Suzuki
- Department of Evolution, Ecology, and Organismal Biology, 2710 Life Sciences Building, University of California, Riverside, California 92521 USA
| | - Elizabeth A. Savory
- Department of Botany and Plant Pathology, Cordley Hall, 2701 SW Campus Way, Oregon State University, Corvallis, Oregon 97331 USA
| | - Jeff H. Chang
- Department of Botany and Plant Pathology, Cordley Hall, 2701 SW Campus Way, Oregon State University, Corvallis, Oregon 97331 USA
| | - Joel L. Sachs
- Department of Evolution, Ecology, and Organismal Biology, 2710 Life Sciences Building, University of California, Riverside, California 92521 USA
- Department of Botany and Plant Sciences, 2142 Batchelor Hall, University of California, Riverside, California 92521 USA
- Institute for Integrative Genome Biology, 5406 Boyce Hall, University of California, Riverside, California 92521 USA
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Abstract
Congo red absorption is generally considered a contraindication of Rhizobium. However, R. leguminosarum takes up the dye on yeast extract-mannitol agar. The uptake of congo red varies among strains of R. leguminosarum, as shown elsewhere with strains of R. trifolii and R. meliloti. Congo red absorption does not distinguish rhizobia from other bacteria, but may be useful as a strain marker.
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Affiliation(s)
- B E Kneen
- Boyce Thompson Institute for Plant Research, Ithaca, New York, 14853
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