miRNAs play critical roles in response to abiotic stress by modulating cross-talk of phytohormone signaling

One of the most interesting signaling molecules that regulates a wide array of adaptive stress responses in plants are the micro RNAs (miRNAs) that are a unique class of non-coding RNAs constituting novel mechanisms of post-transcriptional gene regulation. Recent studies revealed the role of miRNAs...

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Bibliographic Details
Published inPlant cell reports Vol. 40; no. 9; pp. 1617 - 1630
Main Authors Singh, Puja, Dutta, Prasanna, Chakrabarty, Debasis
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2021
Springer Nature B.V
Subjects
Abiotic stress
Biomedical and Life Sciences
Biotechnology
Cell Biology
Cellular stress response
Crosstalk
Gene expression
Gene regulation
Genetic engineering
Life Sciences
miRNA
Non-coding RNA
Phytohormones
Plant Biochemistry
Plant growth
Plant Growth Regulators and Signalling Molecules: Crosstalk in abiotic and biotic stress responses
Plant Sciences
Post-transcription
Review
Signal processing
Signaling
Transcription factors
Phytohormones
miRNA
Abiotic stress
Heavy metals
Transcription regulation
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Summary:One of the most interesting signaling molecules that regulates a wide array of adaptive stress responses in plants are the micro RNAs (miRNAs) that are a unique class of non-coding RNAs constituting novel mechanisms of post-transcriptional gene regulation. Recent studies revealed the role of miRNAs in several biotic and abiotic stresses by regulating various phytohormone signaling pathways as well as by targeting a number of transcription factors (TFs) and defense related genes. Phytohormones are signal molecules modulating the plant growth and developmental processes by regulating gene expression. Studies concerning miRNAs in abiotic stress response also show their vital roles in abiotic stress signaling. Current research indicates that miRNAs may act as possible candidates to create abiotic stress tolerant crop plants by genetic engineering. Yet, the detailed mechanism governing the dynamic expression networks of miRNAs in response to stress tolerance remains unclear. In this review, we provide recent updates on miRNA-mediated regulation of phytohormones combating various stress and its role in adaptive stress response in crop plants.
ISSN:0721-7714
1432-203X
DOI:10.1007/s00299-021-02736-y