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Photosynth Res. 2001;70(1):73-83.

Synechocystis sp. PCC 6803 - a useful tool in the study of the genetics of cyanobacteria.

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Department of Life Sciences (Biology), University of Tokyo, Komaba, Meguro, Tokyo, 153-8902, Japan.


The cyanobacterium Synechocystis sp. PCC 6803 was the first phototrophic organism to be fully sequenced. The genomic sequence has revealed the structure of the genome and its gene constituents (3167 genes), as well as the relative map positions of each gene. The functions of nearly half of the genes has been deduced using similarity searches. The genome sequence has also allowed for the implementation of systematic strategies to study gene function and the mechanisms of gene regulation on a genome-wide level. Two genome databases, CyanoBase and CyanoMutants, have been established and act as a central repository for information on gene structure and gene function, respectively. As a result of the genome sequencing and the establishment of these databases, Synechocystis sp. PCC 6803 provides an extremely versatile and easy model to study the genetic systems of photosynthetic organisms.


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