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Control of Herbaspirillum seropedicae NifA activity by ammonium ions and oxygen.
Souza, E M; Pedrosa, F O; Drummond, M; Rigo, L U; Yates, M G.
Affiliation
  • Souza EM; Department of Biochemistry and Department of Pharmacology, Universidade Federal do Paranà, Curitiba, PR, Brazil. souzaem@bio.ufpr.br
J Bacteriol ; 181(2): 681-4, 1999 Jan.
Article in En | MEDLINE | ID: mdl-9882688
The activity of a truncated form of Herbaspirillum seropedicae NifA in different genetic backgrounds showed that its regulatory domain is involved in nitrogen control but not in O2 sensitivity or Fe dependence. The model for nitrogen control involving PII could thus apply to the proteobacteria at large. NifA may have a role in controlling ADP-ribosylation of nitrogenase in Azospirillum brasilense.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Oxidoreductases / Oxygen / Bacterial Proteins / Transcription Factors / Gene Expression Regulation, Bacterial / Genes, Bacterial / Gram-Negative Bacteria / Ammonia / Klebsiella pneumoniae / Nitrogen Fixation Type of study: Prognostic_studies Language: En Journal: J Bacteriol Year: 1999 Document type: Article Affiliation country: Brazil Country of publication: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Oxidoreductases / Oxygen / Bacterial Proteins / Transcription Factors / Gene Expression Regulation, Bacterial / Genes, Bacterial / Gram-Negative Bacteria / Ammonia / Klebsiella pneumoniae / Nitrogen Fixation Type of study: Prognostic_studies Language: En Journal: J Bacteriol Year: 1999 Document type: Article Affiliation country: Brazil Country of publication: United States