日本根瘤菌的固氮（nif）基因和大质粒。
Nitrogen fixation (nif) genes and large plasmids of Rhizobium japonicum.
作者信息
Masterson R V, Russell P R, Atherly A G
出版信息
J Bacteriol. 1982 Nov;152(2):928-31. doi: 10.1128/jb.152.2.928-931.1982.
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.
摘要
测定了日本根瘤菌慢生型和快生型中结构固氮基因的位置。慢生型日本根瘤菌菌株在大质粒（100至200兆道尔顿）上不含有与nifD和nifH同源的结构固氮基因。相反，除PRC194外，所有快生型日本根瘤菌菌株在大质粒上都含有结构固氮基因。
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