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Major transcription factor families at the nexus of regulating abiotic stress response in millets: a comprehensive review

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Abstract

Millets stand out as a sustainable crop with the potential to address the issues of food insecurity and malnutrition. These small-seeded, drought-resistant cereals have adapted to survive a broad spectrum of abiotic stresses. Researchers are keen on unravelling the regulatory mechanisms that empower millets to withstand environmental adversities. The aim is to leverage these identified genetic determinants from millets for enhancing the stress tolerance of major cereal crops through genetic engineering or breeding. This review sheds light on transcription factors (TFs) that govern diverse abiotic stress responses and play role in conferring tolerance to various abiotic stresses in millets. Specifically, the molecular functions and expression patterns of investigated TFs from various families, including bHLH, bZIP, DREB, HSF, MYB, NAC, NF-Y and WRKY, are comprehensively discussed. It also explores the potential of TFs in developing stress-tolerant crops, presenting a comprehensive discussion on diverse strategies for their integration.

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The data in the review article are available from the corresponding author upon request.

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Acknowledgements

The authors’ work in this area is supported by J.C. Bose National Fellowship (file no. JBR/2023/000024) as well as research grant from the Ministry of Science and Technology, Gov. of India [grant-CRG/2020/000488 and BT/Ag/Network/Wheat/2019-20]. Panchal, A. acknowledges the Department of Biotechnology (DBT), Government of India, for the research fellowship. The authors are also thankful to DBT-eLibrary Consortium (DeLCON) for providing access to the e-resources. All the figures were made using BioRender (https://biorender.com/).

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Authors and Affiliations

  1. National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India

    Ankita Prusty, Anurag Panchal & Manoj Prasad

  2. Department of Botany, Mahishadal Raj College, Purba Medinipur, Garh Kamalpur, West Bengal, 721628, India

    Roshan Kumar Singh

  3. Department of Genetics, University of Delhi, South Campus, Benito-Juarez Road, New Delhi, 110021, India

    Manoj Prasad

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  1. Ankita Prusty
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  2. Anurag Panchal
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  3. Roshan Kumar Singh
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  4. Manoj Prasad
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Contributions

Prasad, M., Prusty, A. and Panchal, A. conceptualized and designed the outline of the manuscript. Prusty, A. and Panchal, A. wrote the first draft of the manuscript and prepared the figures. Prusty, A., Panchal, A., Singh, R.K. and Prasad, M. revised the manuscript. All authors read and approved the final manuscript.

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Correspondence to Manoj Prasad.

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Communicated by Dorothea Bartels.

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Prusty, A., Panchal, A., Singh, R.K. et al. Major transcription factor families at the nexus of regulating abiotic stress response in millets: a comprehensive review. Planta 259, 118 (2024). https://doi.org/10.1007/s00425-024-04394-2

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