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July 3, 2026The Plant Journal

Multi‐layered RNA decay mechanisms underlie subgenome‐biased homoeologous mRNA stability in salt‐stressed allopolyploid plants

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Authors

PXP P XuYWYi WangYWYou Wu

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Overview

Investigates RNA stability in allopolyploid plants under salt stress, revealing critical regulation mechanisms.

Key Points

  • This research aims to understand how RNA decay mechanisms influence the stability of homoeologous mRNAs in allopolyploid plants under salinity stress.
  • Integrated transcriptome and degradome profiling were conducted on Brassica napus plants under salt stress.
  • Tissue-specific gene expression and mRNA stability were examined in hypocotyl and cotyledon.
  • Dual-luciferase assays assessed the role of 3′ UTR in mRNA stability of homoeologous genes.
  • mRNAs subject to EMRD and CTRD show higher degradation rates.
  • Subgenome-specific patterns in gene expression and mRNA stability were identified.
  • EMRD, CTRD, and miRNA cleavage were linked to asymmetric RNA degradation across subgenomes.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/6a4755e85c29257aa257ab74https://doi.org/10.1111/tpj.71015
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