Regulation of urease activity in Rhizobium meliloti
β Scribed by Gerhard Miksch; Ulrich Eberhardt
- Book ID
- 109320075
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 390 KB
- Volume
- 120
- Category
- Article
- ISSN
- 0378-1097
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Bacteroids having a high level of respiration-supported nitrogenase activity were isolated from nitrogen-fixing alfalfa root nodules. Gentle maceration under anaerobic conditions in the presence of sodium succinate and a fatty acid scavenging agent were employed in this method. A large proportion of
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