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Gene Review:

crtQ - zeta-carotene desaturase

Synechocystis sp. PCC 6803

This record was discontinued.

Ryu, J.Y. et al., Bautista, J.A. et al.

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Disease relevance of crtQ

As a test of these assignments, we separately deleted in Synechocystis sp. PCC 6803 the genes that encode phytoene desaturase (encoded by crtP (pds)) and zeta-carotene desaturase (encoded by crtQ (zds)) [1].

Chemical compound and disease context of crtQ

The expression of carotenoid biosynthesis genes coding for phytoene synthase (crtB), phytoene desaturase (crtP), zeta-carotene desaturase (crtQ), and beta-carotene hydroxylase (crtR) is dependent upon light in the cyanobacterium Synechocystis sp. PCC 6803 (Synechocystis) [2].

References

Biochemical and biophysical characterization of photosystem I from phytoene desaturase and zeta-carotene desaturase deletion mutants of Synechocystis Sp. PCC 6803: evidence for PsaA- and PsaB-side electron transport in cyanobacteria. Bautista, J.A., Rappaport, F., Guergova-Kuras, M., Cohen, R.O., Golbeck, J.H., Wang, J.Y., Béal, D., Diner, B.A. J. Biol. Chem. (2005) [Pubmed]
Glucose-induced expression of carotenoid biosynthesis genes in the dark is mediated by cytosolic ph in the cyanobacterium Synechocystis sp. PCC 6803. Ryu, J.Y., Song, J.Y., Lee, J.M., Jeong, S.W., Chow, W.S., Choi, S.B., Pogson, B.J., Park, Y.I. J. Biol. Chem. (2004) [Pubmed]

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