Immunochemical studies of Rhizobium mutants
β Scribed by Z. Lorkiewicz; R. Russa
- Book ID
- 110610076
- Publisher
- Springer
- Year
- 1971
- Tongue
- English
- Weight
- 443 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0032-079X
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Two mutants deficient in homologous genetic recombination have been isolated from Rhizobium meliloti 41 after Tn5 mutagenesis. Both mutants are defective in the induction of temperate phage 16-3 by UV-light, Mytomycin-C or Bleomycin, their UV sensitivity is more pronounced than that of the wild-type
Using nitrosoguanidine (NTG) two nodulation defective (Nod-), auxotrophic mutants of the Rhizobium meliloti strain L5.30 have been isolated. In their Sym plasmid, pRmeLS.3Ob, a large deletion has been de- monstrated. Both mutants were adsorbed into root hairs of lucerne, but were unable to induce ro