Role of the nifB1 and nifB2 Promoters in Cell-Type-Specific Expression of Two Mo Nitrogenases in the Cyanobacterium Anabaena variabilis ATCC 29413.

nifB1 和 nifB2 启动子在蓝藻 Anabaena variabilis ATCC 29413 中两种钼固氮酶的细胞类型特异性表达中的作用