Hormonal orchestration of root apical meristem formation and maintenance in Arabidopsis

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Publikace nespadá pod Fakultu sportovních studií, ale pod Středoevropský technologický institut. Oficiální stránka publikace je na webu muni.cz.
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YAMOUNE Amel CUYACOT Abigail Rubiato ŽĎÁRSKÁ Markéta HEJÁTKO Jan

Rok publikování 2021
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Experimental Botany
Fakulta / Pracoviště MU

Středoevropský technologický institut

Citace
www https://academic.oup.com/jxb/article/72/19/6768/6338171
Doi http://dx.doi.org/10.1093/jxb/erab360
Klíčová slova Cell division and differentiation; hormonal crosstalk; hormonal regulation; quiescent centre; root apical meristem; root zonation; stem cell niche
Popis Plant hormones are key regulators of a number of developmental and adaptive responses in plants, integrating the control of intrinsic developmental regulatory circuits with environmental inputs. Here we provide an overview of the molecular mechanisms underlying hormonal regulation of root development. We focus on key events during both embryonic and post-embryonic development, including specification of the hypophysis as a future organizer of the root apical meristem (RAM), hypophysis asymmetric division, specification of the quiescent centre (QC) and the stem cell niche (SCN), RAM maturation and maintenance of QC/SCN activity, and RAM size. We address both well-established and newly proposed concepts, highlight potential ambiguities in recent terminology and classification criteria of longitudinal root zonation, and point to contrasting results and alternative scenarios for recent models. In the concluding remarks, we summarize the common principles of hormonal control during root development and the mechanisms potentially explaining often antagonistic outputs of hormone action, and propose possible future research directions on hormones in the root.
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