Literature DB >> 6125503

Rhizobium meliloti mutants altered in ammonium utilization.

M S Osburne.   

Abstract

Derivatives of Rhizobium meliloti 2011 required trace amounts of glutamate to use ammonium as the nitrogen source for growth, although they could use serine as the sole nitrogen source. Specific activities of ammonium assimilatory enzymes were similar to those in strain Rm2011. The mutants were deficient in nitrogen fixation.

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Year:  1982        PMID： 6125503      PMCID： PMC220454          DOI： 10.1128/jb.151.3.1633-1636.1982

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  10 in total

1.  Methylammonium uptake by Escherichia coli: evidence for a bacterial NH4+ transport system.

Authors:  R Stevenson; S Silver
Journal:  Biochem Biophys Res Commun       Date:  1977-04-25       Impact factor: 3.575

2.  Two forms of glutamine synthetase in free-living root-nodule bacteria.

Authors:  R A Darrow; R R Knotts
Journal:  Biochem Biophys Res Commun       Date:  1977-09-23       Impact factor: 3.575

3.  Catabolite-repression-like phenomenon in Rhizobium meliloti.

Authors:  D S Ucker; E R Signer
Journal:  J Bacteriol       Date:  1978-12       Impact factor: 3.490

4.  Regulation of nitrogen fixation by Rhizobia. Export of fixed N2 as NH+4.

Authors:  F O'Gara; K T Shanmugam
Journal:  Biochim Biophys Acta       Date:  1976-07-21

5.  Physiological roles of glutamine synthetases I and II in ammonium assimilation in Rhizobium sp. 32H1.

Authors:  R A Ludwig
Journal:  J Bacteriol       Date:  1980-03       Impact factor: 3.490

6.  'Glutamine(amide):2-oxoglutarate amino transferase oxido-reductase (NADP); an enzyme involved in the synthesis of glutamate by some bacteria.

Authors:  J L Meers; D W Tempest; C M Brown
Journal:  J Gen Microbiol       Date:  1970-12

7.  Control of synbiotic nitrogen fixation in Rhizobia. Regulation of NH4+ assimilation.

Authors:  F O'gara; K T Shanmugam
Journal:  Biochim Biophys Acta       Date:  1976-12-21

8.  The acetylene-ethylene assay for n(2) fixation: laboratory and field evaluation.

Authors:  R W Hardy; R D Holsten; E K Jackson; R C Burns
Journal:  Plant Physiol       Date:  1968-08       Impact factor: 8.340

9.  Ammonium assimilation in Rhizobium meliloti.

Authors:  M S Osburne; E R Signer
Journal:  J Bacteriol       Date:  1980-09       Impact factor: 3.490

10.  Comparative properties of glutamine synthetases I and II in Rhizobium and Agrobacterium spp.

Authors:  R L Fuchs; D L Keister
Journal:  J Bacteriol       Date:  1980-11       Impact factor: 3.490
  10 in total
  3 in total

1.  Isolation, characterization, and complementation of Rhizobium meliloti 104A14 mutants that lack glutamine synthetase II activity.

Authors:  J E Somerville; R G Shatters; M L Kahn
Journal:  J Bacteriol       Date:  1989-09       Impact factor: 3.490

2.  Rhizobium sp. strain ORS571 ammonium assimilation and nitrogen fixation.

Authors:  R G Donald; R A Ludwig
Journal:  J Bacteriol       Date:  1984-06       Impact factor: 3.490

3.  Cloning and mutagenesis of the Rhizobium meliloti isocitrate dehydrogenase gene.

Authors:  T R McDermott; M L Kahn
Journal:  J Bacteriol       Date:  1992-07       Impact factor: 3.490
  3 in total

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