Arabidopsis thaliana ambient temperature responsive lncRNAs

Edouard Severing, Luigi Faino, Suraj Jamge, Marco Busscher, Yang Kuijer-Zhang, Francesca Bellinazzo, Jacqueline Busscher-Lange, Virginia Fernández, Gerco C. Angenent, Richard G.H. Immink*, Alice Pajoro

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

Abstract

Background: Long non-coding RNAs (lncRNAs) have emerged as new class of regulatory molecules in animals where they regulate gene expression at transcriptional and post-transcriptional level. Recent studies also identified lncRNAs in plant genomes, revealing a new level of transcriptional complexity in plants. Thousands of lncRNAs have been predicted in the Arabidopsis thaliana genome, but only a few have been studied in depth. Results: Here we report the identification of Arabidopsis lncRNAs that are expressed during the vegetative stage of development in either the shoot apical meristem or in leaves. We found that hundreds of lncRNAs are expressed in these tissues, of which 50 show differential expression upon an increase in ambient temperature. One of these lncRNAs, FLINC, is down-regulated at higher ambient temperature and affects ambient temperature-mediated flowering in Arabidopsis. Conclusion: A number of ambient temperature responsive lncRNAs were identified with potential roles in the regulation of temperature-dependent developmental changes, such as the transition from the vegetative to the reproductive (flowering) phase. The challenge for the future is to characterize the biological function and molecular mode of action of the large number of ambient temperature-regulated lncRNAs that have been identified in this study.

Original languageEnglish
Article number145
JournalBMC Plant Biology
Volume18
Issue number1
DOIs
Publication statusPublished - 13 Jul 2018

Keywords

  • Ambient temperature response
  • Arabidopsis thaliana
  • FLINC
  • Flowering time
  • Long non-coding RNA (lncRNA)

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