Arabidopsis thaliana ambient temperature responsive lncRNAs

BMC Plant Biology
Edouard SeveringAlice Pajoro

Abstract

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. 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. 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...Continue Reading

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Citations

Aug 10, 2019·Plant Signaling & Behavior·Ke Zhou
Feb 21, 2019·Annual Review of Plant Biology·Jorge J Casal, Sureshkumar Balasubramanian
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Dec 27, 2021·Genomics·Behzad Hajieghrari, Naser Farrokhi
Jan 18, 2022·The New Phytologist·Giorgio PerrellaMartijn van Zanten

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Methods Mentioned

BETA
RNA-seq
electrophoresis
Illumina sequencing
PCR

Software Mentioned

cufflinks
TopHat2
Cuffmerge
Blastn
DESeq2
Blast
FLINC
CANTATAdb
Bedtools intersect
HTseq

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