Role of Bacterial Polysaccharides in the Adsorption Process of theRhizobium-Pea. Symbiosis
- 1 December 1980
- journal article
- research article
- Published by Oxford University Press (OUP) in Agricultural and Biological Chemistry
- Vol. 44 (12) , 2843-2855
- https://doi.org/10.1080/00021369.1980.10864422
Abstract
Phase-contrast and fluorescence microscopy observations showed that pea symbiont R. leguminosarum adsorbed to pea root hairs, but non-symbiont rhizobial strains only adsorbed to a small extent. 14C-labeled cells were used to assay the number of rhizobial cells adsorbed to a pea root. Capsular polysaccharides or lipopolysaccharides obtained from R. leguminosarum specifically inhibited the adsorption of 14C-R. leguminosarum cells to a pea root and specifically adsorbed to pea root hairs. Also, they reacted specifically with pea seed lectins. These results suggest that capsular polysaccharides or lipopolysaccharides play an important role in host-specific adsorption. The interaction between the polysaccharides and pea lectins could be the key to determining host specificity in the infection process of Rhizobium-pea symbiosis.This publication has 1 reference indexed in Scilit:
- Bacterial polysaccharide which binds Rhizobium trifolii to clover root hairsJournal of Bacteriology, 1979