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Int. J. Mol. Sci. 2018, 19(2), 335; doi:10.3390/ijms19020335

Lignins: Biosynthesis and Biological Functions in Plants

College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
These authors contribute equally to this work.
Author to whom correspondence should be addressed.
Received: 2 December 2017 / Revised: 9 January 2018 / Accepted: 9 January 2018 / Published: 24 January 2018
(This article belongs to the Section Molecular Botany)
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Lignin is one of the main components of plant cell wall and it is a natural phenolic polymer with high molecular weight, complex composition and structure. Lignin biosynthesis extensively contributes to plant growth, tissue/organ development, lodging resistance and the responses to a variety of biotic and abiotic stresses. In the present review, we systematically introduce the biosynthesis of lignin and its regulation by genetic modification and summarize the main biological functions of lignin in plants and their applications. We hope this review will give an in-depth understanding of the important roles of lignin biosynthesis in various plants’ biological processes and provide a theoretical basis for the genetic improvement of lignin content and composition in energy plants and crops. View Full-Text
Keywords: lignin; genetic modification; lodging resistance; diseases resistance; stress tolerance lignin; genetic modification; lodging resistance; diseases resistance; stress tolerance

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, Q.; Luo, L.; Zheng, L. Lignins: Biosynthesis and Biological Functions in Plants. Int. J. Mol. Sci. 2018, 19, 335.

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