Canadian Medical Guide > Biological Sciences > Genetic Structures > Genes > Genes, Bacterial > Genes, Nitrogen Fixation Terms and Definitions

Genes, Nitrogen Fixation

Medical Definition:	Regulatory and structural genes present in certain bacteria, algae and fungi that control the conversion of atmospheric nitrogen into biologically usable compounds; include nif structural genes (e.g., nifD, nifH) for nitrogenase and nitrate reductase as well as regulator genes nifA, nifB, ntrA, ntrB, ntrC. Some are responsible for regulating transcription of genes involved in the assimilation of poor nitrogen sources in enteric bacteria.
Guide Notes:	in bacteria, fungi & blue-green algae; coord IM with specific organism /genet (IM)
Also Called:	Nif Genes,Genes, Ntr
Previously Indexed:	Genes, Bacterial (1982-1987),Genes, Regulator (1966-1987),Genes, Structural (1975-1987),Nitrogen Fixation (1971-1987)

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