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A new open reading frame in the genome of cyanobacteria Synechocystis sp. PCC 6803

, : A new open reading frame in the genome of cyanobacteria Synechocystis sp. PCC 6803. Genetika 31(2): 162-169

A new open reading frame ORF242, coding for a 26.47-kDa polypeptide, was found in a DNA fragment of the cyanobacterium Synechocystis 6803, transforming a photosynthetic mutant to photoautotrophy and having homology with plant chloroplast DNA. In the 5' flanking region of ORF242, consensus sequences characteristic of a functioning gene were found. One copy of ORF242 is present in the Synechocystis 6803 genome. Insertion inactivation of ORF242 does not lead to a decrease in photosynthetic activity in cells of cyanobacteria but may influence the ratio between active complexes of photosystems I and II.


PMID: 7721056

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