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Wood formation in Angiosperms

Abstract : Wood formation is a complex biological process, involving five major developmental steps, including (1) cell division from a secondary meristem called the vascular cambium, (2) cell expansion (cell elongation and radial enlargement), (3) secondary cell wall deposition, (4) programmed cell death, and (5) heartwood formation. Thanks to the development of genomic studies in woody species, as well as genetic engineering, recent progress has been made in the understanding of the molecular mechanisms underlying wood formation. In this review, we will focus on two different aspects, the lignification process and the control ofmicrofibril angle in the cell wall of wood fibres, as they are both key features of wood material properties.
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Annabelle Dejardin, Françoise Laurans, Dominique Arnaud, Christian Breton, Gilles Pilate, et al.. Wood formation in Angiosperms. Comptes Rendus Biologies, Elsevier Masson, 2010, 333 (4), pp.325-334. ⟨10.1016/j.crvi.2010.01.010⟩. ⟨hal-02664282⟩

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