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Gene Review:

Synpcc7942_0321 - nitrogen regulatory protein P-II

Synechococcus elongatus PCC 7942

Hanson, T.E. et al., Palinska, K.A. et al., Forchhammer, K. et al., Lee, H.M. et al.

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Disease relevance of Synpcc7942_0321

Phosphorylation of the PII protein (glnB gene product) in the cyanobacterium Synechococcus sp. strain PCC 7942: analysis of in vitro kinase activity [1].
Characterization of the glnB gene product of Nostoc punctiforme strain ATCC 29133: glnB or the PII protein may be essential [2].
The amino acid sequence of the signal transducer P(II) (GlnB) of the oceanic photosynthetic prokaryote Prochlorococcus marinus strain PCC 9511 displays a typical cyanobacterial signature and is phylogenetically related to all known cyanobacterial glnB genes, but forms a distinct subclade with two other marine cyanobacteria [3].

High impact information on Synpcc7942_0321

Moreover, the wild-type phenotype was restored by insertion of a copy of the wild-type glnB gene in the genome of the PII-null mutant [4].
Bacterial PII proteins, encoded by glnB genes, are central signalling molecules in nitrogen regulatory pathways and are modulated by post-translational modification in response to the cellular nitrogen status [2].

References

Phosphorylation of the PII protein (glnB gene product) in the cyanobacterium Synechococcus sp. strain PCC 7942: analysis of in vitro kinase activity. Forchhammer, K., Tandeau de Marsac, N. J. Bacteriol. (1995) [Pubmed]
Characterization of the glnB gene product of Nostoc punctiforme strain ATCC 29133: glnB or the PII protein may be essential. Hanson, T.E., Forchhammer, K., Tandeau de Marsac, N., Meeks, J.C. Microbiology (Reading, Engl.) (1998) [Pubmed]
The signal transducer P(II) and bicarbonate acquisition in Prochlorococcus marinus PCC 9511, a marine cyanobacterium naturally deficient in nitrate and nitrite assimilation. Palinska, K.A., Laloui, W., Bédu, S., Loiseaux-de Goër, S., Castets, A.M., Rippka, R., Tandeau de Marsac, N. Microbiology (Reading, Engl.) (2002) [Pubmed]
A role for the signal transduction protein PII in the control of nitrate/nitrite uptake in a cyanobacterium. Lee, H.M., Flores, E., Herrero, A., Houmard, J., Tandeau de Marsac, N. FEBS Lett. (1998) [Pubmed]

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