Nonsense-mediated mRNA decay (NMD) is an evolutionarily conserved quality control pathway that inhibits the expression of transcripts containing premature termination codon. Transcriptome and phenotypic studies across a range of organisms indicate roles of NMD beyond RNA quality control and imply its involvement in regulating gene expression in a wide range of physiological processes. Studies in moss Physcomitrella patens and Arabidopsis thaliana have shown that NMD is also important in plants where it contributes to the regulation of pathogen defence, hormonal signalling, circadian clock, reproduction and gene evolution. Here, we provide up to date overview of the biological functions of NMD in plants. In addition, we discuss several biological processes where NMD factors implement their function through NMD-independent mechanisms.
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February 2023
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Macrophages are innate immune cells responsible for a variety of tissue-specific homeostatic functions and responding to infiltrating pathogens. A lot of what we know about macrophages comes from studies on unphysiological 2D plastic dishes, however new insights into macrophage biology are emerging thanks to 3D cell culture technology (see the review in this issue by Cutter et al., pages 387–401). Depicted here is a macrophage suspended within a neon 3D dimension. Image provided by Katrina Binger.
Review Article|
January 25 2023
The biological functions of nonsense-mediated mRNA decay in plants: RNA quality control and beyond
Vivek K. Raxwal;
Central European Institute of Technology (CEITEC), Masaryk University, Brno, Czech Republic
Correspondence: Karel Riha (karel.riha@ceitec.muni.cz) or Vivek K. Raxwal (vivek.raxwal@ceitec.muni.cz)
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Karel Riha
Central European Institute of Technology (CEITEC), Masaryk University, Brno, Czech Republic
Correspondence: Karel Riha (karel.riha@ceitec.muni.cz) or Vivek K. Raxwal (vivek.raxwal@ceitec.muni.cz)
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Biochem Soc Trans (2023) 51 (1): 31–39.
Article history
Received:
November 14 2022
Revision Received:
January 11 2023
Accepted:
January 13 2023
Citation
Vivek K. Raxwal, Karel Riha; The biological functions of nonsense-mediated mRNA decay in plants: RNA quality control and beyond. Biochem Soc Trans 27 February 2023; 51 (1): 31–39. doi: https://doi.org/10.1042/BST20211231
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