Pea root nodules containing more than one rhizobium species

ABSTRACT PARTICULAR species of legume are nodulated only by appropriate species of _Rhizobium_. Thus _R. leguminosarum_, _R. phaseoli_ and _R. trifolii_ nodulate peas, French beans and

clover, respectively. The basis of this specificity between the two partners of the symbiosis is not understood. Complete specificity is not always found, however. Although _R. trifolii_

does not normally nodulate peas, induced mutants of this species able to nodulate this host have been described1 and some strains of _Rhizobium_ isolated from clover nodules nodulated both

clover and peas2. Selected clover lines have been nodulated by _R. leguminosarum_3. It has been reported that a non-rhizobial contaminant can occur in soybean nodules4 and that the presence

of _R. trifolii_ may allow _R. meliloti_ to occupy clover root nodules (B. O. Gillberg, personal communication). We show here that the presence of _R. leguminosarum_ can allow _R. trifolii_

and _R. phaseoli_ to enter pea nodules but that _R. trifolii_ cannot fix nitrogen in the nodules of this ‘foreign’ host. Access through your institution Buy or subscribe This is a preview of

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BENEFICIAL RHIZOBIA ENHANCES FABA BEAN GROWTH Article Open access 12 December 2024 PRODUCTION OF THE PLANT HORMONE GIBBERELLIN BY RHIZOBIA INCREASES HOST LEGUME NODULE SIZE Article 12 April

2022 NODULATION COMPETITIVENESS AND DIVERSIFICATION OF SYMBIOSIS GENES IN COMMON BEANS FROM THE AMERICAN CENTERS OF DOMESTICATION Article Open access 17 March 2022 REFERENCES * Schwinghamer,

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* Department of Genetics, John Innes Institute, Colney Lane, Norwich, NR4 7UH, UK ANDREW W. B. JOHNSTON & JOHN E. BERINGER Authors * ANDREW W. B. JOHNSTON View author publications You

can also search for this author inPubMed Google Scholar * JOHN E. BERINGER View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS

Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE JOHNSTON, A., BERINGER, J. Pea root nodules containing more than one _Rhizobium_ species. _Nature_ 263, 502–504 (1976).

https://doi.org/10.1038/263502a0 Download citation * Received: 21 July 1976 * Accepted: 27 August 1976 * Issue Date: 07 October 1976 * DOI: https://doi.org/10.1038/263502a0 SHARE THIS

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