Beta-2-linked glucans secreted by fast-growing species of Rhizobium

Abstract
Fast-growing Rhizobium spp. [R. phaseoli, R. leguminosarum and R. trifolii] secreted low-MW .beta.-2-linked glucans when cultured in synthetic liqid medium. These glucans are quite similar to .beta.-2-linked glucans produced by species of Agrobacterium. No reducing terminus was detected in these glucans.