Xanthomonas sRNA

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In molecular biology, Xanthomonas sRNA are small RNAs which have been identified in various species of the bacterium Xanthomonas .

Analysis of the plant pathogen Xanthomonas campestris pv. vesicatoria revealed expression of seven cis-encoded antisense RNAs (asX1-asX7) and 15 intergenic sRNAs (sX1 - sX15). Several sRNAs have also been identified in Xanthomonas campestris pathovar campestris . Some of these X. campestris sRNAs are only found in Xanthomonas, some are also expressed in other bacteria. [1] [2] Several of these sRNAs appear to contribute to virulence, including sX12, sX13 and sRNA-Xcc1. [1] [3] [4]

Computational analysis predicts 63 sRNAs in Xanthomonas oryzae pathovar oryzae , expression of 8 of these has been experimentally confirmed. Expression of three of these is Hfq-dependent. [5]

See also

References

  1. 1 2 Schmidtke C, Findeiß S, Sharma CM, Kuhfuß J, Hoffmann S, Vogel J, et al. (2011). "Genome-wide transcriptome analysis of the plant pathogen Xanthomonas identifies sRNAs with putative virulence functions". Nucleic Acids Res. 40 (5): 2020–31. doi:10.1093/nar/gkr904. PMC   3300014 . PMID   22080557.
  2. ↑ Jiang RP, Tang DJ, Chen XL, He YQ, Feng JX, Jiang BL, et al. (2010). "Identification of four novel small non-coding RNAs from Xanthomonas campestris pathovar campestris". BMC Genomics. 11 316. doi: 10.1186/1471-2164-11-316 . PMC   2996969 . PMID   20482898.
  3. ↑ Chen XL, Tang DJ, Jiang RP, He YQ, Jiang BL, Lu GT, et al. (2011). "sRNA-Xcc1, an integron-encoded transposon- and plasmid-transferred trans-acting sRNA, is under the positive control of the key virulence regulators HrpG and HrpX of Xanthomonas campestris pathovar campestris". RNA Biol. 8 (6): 947–953. doi:10.4161/rna.8.6.16690. PMC   3256417 . PMID   21941121.
  4. ↑ Schmidtke, C; Abendroth, U; Brock, J; Serrania, J; Becker, A; Bonas, U (Sep 2013). "Small RNA sX13: A Multifaceted Regulator of Virulence in the Plant Pathogen Xanthomonas". PLOS Pathogens. 9 (9): e1003626. doi: 10.1371/journal.ppat.1003626 . PMC   3771888 . PMID   24068933.
  5. ↑ Liang H, Zhao YT, Zhang JQ, Wang XJ, Fang RX, Jia YT (2011). "Identification and functional characterization of small non-coding RNAs in Xanthomonas oryzae pathovar oryzae". BMC Genomics. 12 87. doi: 10.1186/1471-2164-12-87 . PMC   3039613 . PMID   21276262.
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