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Lignin: the Building Block of Defense Responses to Stress in Plants

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Abstract

Lignin is a complex aromatic biopolymer important for providing mechanical strength to the cell wall and resistance against both biotic and abiotic stresses. It helps in plant growth by providing physical strength and helping in long distance transport of water and minerals. Lignin biosynthetic genes are known to be induced under both biotic and abiotic stresses, and perturbations in lignin biosynthesis has shown to result in changes in plants defense responses against these stresses. It’s important to understand how these sophisticated mechanisms are employed by the plants to adapt to the adverse climatic conditions and develop more resilient plant varieties. In this review, we try to deliver a thorough comprehension of how lignin biosynthesis is altered under various environmental conditions. We believe this information will be useful in understanding the role of different lignin biosynthetic genes in conferring resistance against different stresses.

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Acknowledgements

The authors acknowledge DelCon and Bioinformatics facility (DISC) for resources, and National Institute of Plant Genome Research, Department of Biotechnology, Government of India for support. DC acknowledges JC Bose Fellowship from Science and Engineering Board (SERB/ JCB/2020/000014)-Department of Science and Technology (DST), Government of India and SY acknowledges Council of Scientific and Industrial Research for fellowships.

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DC initiated the idea for the article. SY carried out the literature search and wrote the manuscript. DC critically revised the manuscript.

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Correspondence to Debasis Chattopadhyay.

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Authors declare no conflict of interest. All authors read and approved the final manuscript.

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Handling Editor: Padmanabh Dwivedi.

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Yadav, S., Chattopadhyay, D. Lignin: the Building Block of Defense Responses to Stress in Plants. J Plant Growth Regul 42, 6652–6666 (2023). https://doi.org/10.1007/s00344-023-10926-z

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  • DOI: https://doi.org/10.1007/s00344-023-10926-z

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