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Comparative Study
. 1982 Nov;152(2):928-31.
doi: 10.1128/jb.152.2.928-931.1982.

Nitrogen fixation (nif) genes and large plasmids of Rhizobium japonicum

R V Masterson, P R Russell, A G Atherly
Comparative Study

Nitrogen fixation (nif) genes and large plasmids of Rhizobium japonicum

R V Masterson et al. J Bacteriol. 1982 Nov.

Abstract

The location of structural nitrogen-fixation genes was determined for the slow- and fast-growing types of Rhizobium japonicum. Slow-growing R. japonicum strains do not harbor structural nif genes, homologous to nifD and nifH, on large plasmids (100 to 200 megadaltons). In contrast, all fast-growing R. japonicum strains, except PRC194, contain structural nif genes on large plasmids.

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