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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Effect of root exudates on the exopolysaccharide composition and the lipopolysaccharide profile of Azospirillum brasilense Cd under saline stress.

The effect of wheat root exudates on the exopolysaccharide (EPS) composition and the lipopolysaccharide (LPS) profile of Azospirillum brasilense Cd under saline stress was studied. EPS of A. brasilense Cd was composed of glucose (47%), mannose (3%), xylose (4%), fucose (28%), rhamnose (6%), arabinose (1%) and galactose (11%). Under saline stress, A. brasilense produced a totally different EPS, composed mainly of galactose. Root exudates induced changes in A. brasilense EPS composition only under normal conditions, consisting of higher amounts of arabinose and xylose compared with EPS of bacteria grown without root exudates. No changes were induced by root exudates when A. brasilense was grown under saline stress. Additionally, root exudates induced changes in the LPS profile, both under normal and stress conditions.[1]

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