Condition-specific RNA editing in the coral symbiont Symbiodinium microadriaticum

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2017
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Liew, Yi Jin
Li, Yong
Baumgarten, Sebastian
Aranda, Manuel
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RNA editing is a rare post-transcriptional event that provides cells with an additional level of gene expression regulation. It has been implicated in various processes including adaptation, viral defence and RNA interference; however, its potential role as a mechanism in acclimatization has just recently been recognised. Here, we show that RNA editing occurs in 1.6% of all nuclear-encoded genes of Symbiodinium microadriaticum, a dinoflagellate symbiont of reef-building corals. All base-substitution edit types were present, and statistically significant motifs were associated with three edit types. Strikingly, a subset of genes exhibited condition-specific editing patterns in response to different stressors that resulted in significant increases of non-synonymous changes. We posit that this previously unrecognised mechanism extends this organism's capability to respond to stress beyond what is encoded by the genome. This in turn may provide further acclimatization capacity to these organisms, and by extension, their coral hosts.

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ISO 690LIEW, Yi Jin, Yong LI, Sebastian BAUMGARTEN, Christian R. VOOLSTRA, Manuel ARANDA, 2017. Condition-specific RNA editing in the coral symbiont Symbiodinium microadriaticum. In: PLoS genetics. Public Library of Science (PLoS). 2017, 13(2), e1006619. ISSN 1553-7390. eISSN 1553-7404. Available under: doi: 10.1371/journal.pgen.1006619
BibTex
@article{Liew2017Condi-50736,
  year={2017},
  doi={10.1371/journal.pgen.1006619},
  title={Condition-specific RNA editing in the coral symbiont Symbiodinium microadriaticum},
  number={2},
  volume={13},
  issn={1553-7390},
  journal={PLoS genetics},
  author={Liew, Yi Jin and Li, Yong and Baumgarten, Sebastian and Voolstra, Christian R. and Aranda, Manuel},
  note={Article Number: e1006619}
}
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