Lysogeny in nodule bacteria of beans rhizobium phaseoli from soils of ruanda and the ussr

Izitabakuze-Zh, B.; Moskalenko, L.N.; Rautenshtein-Ya, I.; Shil'nikova, V.K.

Izvestiya Timiryazevskoi Sel'skokhozyaistvennoi Akademii 3: 15-20

1977


Accession: 005840532

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Abstract
R. phaseoli (18 strains) isolated from the bean nodules grown on different soils was studied for lysogeny by EM and cross trial methods. In 9 strains, phage particles were found in culture liquor. The amount of phage in the cultures increases after induction, which proves their true lysogenous state. Morphologically, phages are divided into 3 groups according to the origin of cultures. After cross-planting, the phage could be isolated only in one case-when culture liquor of R. phaseoli K15 was put on the plot of R. phaseoli F2 (phage K15/F2). This phage is morphologically different from the phage particles which are present in the culture liquor of R. phaseoli K15. The origin of the phage K15/F2 is discussed.