[1] The RNA structure is predominantly located in genome sequences derived from DNA extracted from uncultivated marine samples.

However it was also predicted in the genome of Polynucleobacter species QLW-P1DMWA-1, a kind of betaproteobacteria.

The RNAs are often located near to a conserved gene that might be homologous to a gene found in a phage that infects cyanobacteria.

However, it is unknown if the RNA is used by phages.

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