RT Journal Article SR Electronic(1) A1 STROBEL, GARY A. A1 HEIDE, MORTEN A1 HESS, BILL M.YR 1986 T1 Biology of Rhizobium trifolii Bearing the Hairy Root Plasmid JF Microbiology, VO 132 IS 3 SP 653 OP 659 DO https://doi.org/10.1099/00221287-132-3-653 PB Microbiology Society, SN 1465-2080, AB SUMMARY: We have transferred the hairy root plasmid (pRi) from Agrobacterium rhizogenes into Rhizobium trifolii. The plasmid fully expressed its root-inducing activity in the R. trifolii (pRi) transconjugant. Generally, the R. trifolii (pRi) transconjugant was unable to nodulate clover. However, occasionally a spontaneous mutant(s) of the R. trifolii (pRi) transconjugant arose which was capable of nodulating clover and of inducing root proliferation in a number of plant species. The mutant(s) induced significantly more nodules than the wild-type bacterium, but significantly less N2 was fixed by these nodules., UL https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-132-3-653