RsmV sRNA
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RsmV is a small non-coding RNA (sRNA) that has been found first in Pseudomonas aeruginosa genomes.[1] It is a member of the Rsm family of sRNAs (RsmZ, RsmY, RsmX, and RsmW), which are known to play a role in regulating gene expression. RsmV differs from other Rsm sRNAs by being GacA[2]-independent and able of binding RsmA[1] and RsmF[3] proteins.[4]
Phylogenetic distribution of RsmV sRNA can be divided in three subgroups of rsmV alleles:
- rsmVa, exclusively present in P. aeruginosa chromosomes,
- rsmVb, characteristic of strains from P. chlororaphis clades, and
- rsmVc, found in strains from P. fluorescens and P. protegens clades, and other non-clustered isolates.[5]
RsmV is approximately 100 nucleotides in length.