Antigenic changes in lipopolysaccharide I of Rhizobium leguminosarum bv. viciae in root nodules of Vicia sativa subsp. nigra occur during release from infection threads.

Antigenic changes in lipopolysaccharide I of Rhizobium leguminosarum bv. viciae in root nodules of Vicia sativa subsp. nigra occur during release from infection threads.