Molecular control of wood formation in trees

Journal of Experimental Botany
Zheng-Hua Ye, Ruiqin Zhong

Abstract

Wood (also termed secondary xylem) is the most abundant biomass produced by plants, and is one of the most important sinks for atmospheric carbon dioxide. The development of wood begins with the differentiation of the lateral meristem, vascular cambium, into secondary xylem mother cells followed by cell expansion, secondary wall deposition, programmed cell death, and finally heartwood formation. Significant progress has been made in the past decade in uncovering the molecular players involved in various developmental stages of wood formation in tree species. Hormonal signalling has been shown to play critical roles in vascular cambium cell proliferation and a peptide-receptor-transcription factor regulatory mechanism similar to that controlling the activity of apical meristems is proposed to be involved in the maintenance of vascular cambium activity. It has been demonstrated that the differentiation of vascular cambium into xylem mother cells is regulated by plant hormones and HD-ZIP III transcription factors, and the coordinated activation of secondary wall biosynthesis genes during wood formation is mediated by a transcription network encompassing secondary wall NAC and MYB master switches and their downstream transcription ...Continue Reading

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Citations

Sep 12, 2015·Journal of Experimental Botany·Nicholas C Carpita, Rowan F Sage
May 2, 2016·Trends in Plant Science·Qiao Zhao
Sep 21, 2016·Molecular Plant·Robert J DiMarioJames V Moroney
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Feb 19, 2019·The Plant Journal : for Cell and Molecular Biology·Takuji MiyamotoToshiaki Umezawa
Mar 10, 2020·American Journal of Botany·Kamil E FrankiewiczKrzysztof Spalik
Jan 10, 2020·BMC Plant Biology·Wenjing YaoTingbo Jiang
Jan 1, 2017·Plant Biotechnology·Taichi KoshibaToshiaki Umezawa
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Apr 30, 2020·International Journal of Molecular Sciences·Phi Bang CaoChantal Teulières
Jul 11, 2020·The New Phytologist·Ilka N AbreuThomas Moritz
Apr 4, 2021·International Journal of Molecular Sciences·Lingfei KongKeming Luo
Apr 6, 2021·Frontiers in Plant Science·Heather D ColemanChung-Jui Tsai

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