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WcaG RNA motif : ウィキペディア英語版 | WcaG RNA motif
The ''wcaG'' RNA motif is an RNA structure conserved in some bacteria that was detected by bioinformatics. ''wcaG'' RNAs are found in certain phages that infect cyanobacteria. Most known ''wcaG'' RNAs were found in sequences of DNA extracted from uncultivated marine bacteria. ''wcaG'' RNAs might function as cis-regulatory elements, in view of their consistent location in the possible 5' untranslated regions of genes. It was suggested the ''wcaG'' RNAs might further function as riboswitches. The genes hypothesized to be regulated by ''wcaG'' RNAs function in the synthesis of exopolysaccharides, or are induced by high amounts of light. These latter genes presumably related to cyanobacterial photosynthesis. The detected ''wcaG'' RNAs in purified phages are upstream of highlighted-induced genes. Although these genes are not thought of as typical of phages, it has previously been observed that phages infecting cyanobacteria commonly incorporate such genes. ==References== 〔
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