Difference between revisions of "Part:BBa K896000"

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	Sulfide-dependent anoxygenic photosynthesis, driven by photosystem I (PS/I) alone, among cyanobacteria was first described for Oscillatoria limnetica from Solar Lake. Later photosynthetic sulfide oxidation in O. limnetica led to the discovery of sulfide-quinone reductase (SQR; E.C.1.8.5.′), a novel enzyme that transfers electrons from sulfide into the quinone pool.<p></p>		Sulfide-dependent anoxygenic photosynthesis, driven by photosystem I (PS/I) alone, among cyanobacteria was first described for Oscillatoria limnetica from Solar Lake. Later photosynthetic sulfide oxidation in O. limnetica led to the discovery of sulfide-quinone reductase (SQR; E.C.1.8.5.′), a novel enzyme that transfers electrons from sulfide into the quinone pool.<p></p>
	Above are sulfide-induced sulfide-Quinone Reductase with the electron transport system.<p></p>		Above are sulfide-induced sulfide-Quinone Reductase with the electron transport system.<p></p>
−	[[Image:SQR ETC.png]]	+	[[Image:SQR ETC.png]](Cohen, Y., E. Padan, and M. Shilo, Facultative anoxygenic photosynthesis in the cyanobacterium Oscillatoria limnetica. J Bacteriol, 1975. 123(3): p. 855-61.)

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Revision as of 23:18, 20 September 2012

SQR(sulfide quinone reductase),from Synechococcus sp. PCC 7002 plasmid pAQ7

 SQR introduction:

Sulfide-dependent anoxygenic photosynthesis, driven by photosystem I (PS/I) alone, among cyanobacteria was first described for Oscillatoria limnetica from Solar Lake. Later photosynthetic sulfide oxidation in O. limnetica led to the discovery of sulfide-quinone reductase (SQR; E.C.1.8.5.′), a novel enzyme that transfers electrons from sulfide into the quinone pool.

Above are sulfide-induced sulfide-Quinone Reductase with the electron transport system.

(Cohen, Y., E. Padan, and M. Shilo, Facultative anoxygenic photosynthesis in the cyanobacterium Oscillatoria limnetica. J Bacteriol, 1975. 123(3): p. 855-61.)

 Cloning of SQR gene:

SQR gene came from Synechococcus elongatus PCC7002 because the hypersaline strain S. elongatus PCC 7002, which is already sequenced, is 96% similar to O.limnetica SQR gene.

 Function analysis of SQR gene:

Sequence and Features