ISRm1: A Rhizobium meliloti insertion sequence that transposes preferentially into nitrogen fixation genes.
Ruvkun GB, Long SR, Meade HM, van den Bos RC, Ausubel FM. ISRm1: A Rhizobium meliloti insertion sequence that transposes preferentially into nitrogen fixation genes. J Mol Appl Genet. 1982; 1(5):405-18.