Community Research and Development Information Service - CORDIS


Within the framework of the Community's biotechnology research programmes, groups of contractors were brought together to constitute ELWWs, with a view to facilitating the rapid circulation and exchange of information, data and materials, and increasing mobility among research staff. The purpose of this brochure is to illustrate the work of one such ELWW in the field of the Rhizobium-legume symbiosis. Genes in Rhizobium bacteria that control late stages in the development of the nitrogen fixing symbiosis with leguminous plants were studied by research teams from four European countries. The significance of the Rhizobium-legume symbiosis is discussed and the aims of the project are described. Progress in the following two main areas of research is reported: (i) the role of Rhizobial cell surface polysaccarides in the establishment of an effective symbiosis; (ii) the identification of Rhizobium nitrogen fixation genes and regulation of their expression. The benefits and examples of this cooperation are also discussed.

Additional information

Authors: VASSAROTTI A (EDITOR), CEC Bruxelles (BE)
Bibliographic Reference: Report: EN (1990) 7 pp.
Availability: Available from the BAP Programme Office, CEC, DG XII, 200 rue de la Loi, B-1049 Bruxelles (BE)
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