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Gene Review:

fbp - fructose-1,6-bisphosphatase

Nostoc sp. PCC 7120

Newman, J. et al., Summers, M.L. et al.

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High impact information on fbp

Growth in the presence of ammonium yielded low levels of transcripts encoding all genes of the operon, while growth under nitrogen-fixing conditions resulted in a large increase of transcripts encoding for fbp and zwf-opcA [1].
The presence in both strains of a gene fbp, encoding fructose-1,6-bisphosphatase, upstream from zwf strongly suggests that the oxidative pentose phosphate pathway in these organisms may function to completely oxidize glucose 6-phosphate to CO2 [2].
The amino acid sequence of fructose-1,6-bisphosphatase does not support the idea of its light activation by a thiol/disulfide exchange mechanism [2].

References

Transcriptional regulation of zwf, encoding glucose-6-phosphate dehydrogenase, from the cyanobacterium Nostoc punctiforme strain ATCC 29133. Summers, M.L., Meeks, J.C. Mol. Microbiol. (1996) [Pubmed]
A comparison of gene organization in the zwf region of the genomes of the cyanobacteria Synechococcus sp. PCC 7942 and Anabaena sp. PCC 7120. Newman, J., Karakaya, H., Scanlan, D.J., Mann, N.H. FEMS Microbiol. Lett. (1995) [Pubmed]

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