Dataset Information


Transcription profiling of RelA mutant and wild type Geobacter sulfurreducens

ABSTRACT: This experiment tests the gene expression of the RelA mutant (ORF03691/GSU2236) versus wild type G. sulfurreducens during stationary phase growth. Batch culture, Acetate electron donor, Fumarate electron acceptor.

ORGANISM(S): Geobacter sulfurreducens  

SUBMITTER: Barbara Methe  

PROVIDER: E-TIGR-5000 | ArrayExpress | 2007-02-14


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Role of RelGsu in stress response and Fe(III) reduction in Geobacter sulfurreducens.

DiDonato Laurie N LN   Sullivan Sara A SA   Methé Barbara A BA   Nevin Kelly P KP   England Reg R   Lovley Derek R DR  

Journal of bacteriology 20061013 24

Geobacter species are key members of the microbial community in many subsurface environments in which dissimilatory metal reduction is an important process. The genome of Geobacter sulfurreducens contains a gene designated rel(Gsu), which encodes a RelA homolog predicted to catalyze both the synthesis and the degradation of guanosine 3',5'-bispyrophosphate (ppGpp), a regulatory molecule that signals slow growth in response to nutrient limitation in bacteria. To evaluate the physiological role of  ...[more]

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