The role of chromatin modifications in somatic embryogenesis in plants

Frontiers in Plant Science
Clelia De-la-PeñaVíctor M Loyola-Vargas

Abstract

Somatic embryogenesis (SE) is a powerful tool for plant genetic improvement when used in combination with traditional agricultural techniques, and it is also an important technique to understand the different processes that occur during the development of plant embryogenesis. SE onset depends on a complex network of interactions among plant growth regulators, mainly auxins and cytokinins, during the proembryogenic early stages, and ethylene and gibberellic and abscisic acids later in the development of the somatic embryos. These growth regulators control spatial and temporal regulation of multiple genes in order to initiate change in the genetic program of somatic cells, as well as moderating the transition between embryo developmental stages. In recent years, epigenetic mechanisms have emerged as critical factors during SE. Some early reports indicate that auxins and in vitro conditions modify the levels of DNA methylation in embryogenic cells. The changes in DNA methylation patterns are associated with the regulation of several genes involved in SE, such as WUS, BBM1, LEC, and several others. In this review, we highlight the more recent discoveries in the understanding of the role of epigenetic regulation of SE. In addition, ...Continue Reading

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Citations

Jan 5, 2018·Regeneration·Anneke HorstmanKim Boutilier
Aug 29, 2018·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Rezaul KarimJennifer Ann Harikrishna
Jun 20, 2020·Development·Tatyana RadoevaDolf Weijers
Dec 14, 2018·Frontiers in Plant Science·Victor Aguilar-Hernández, Víctor M Loyola-Vargas
Jan 10, 2017·Frontiers in Plant Science·Yan XiaShougong Zhang
Oct 20, 2018·International Journal of Molecular Sciences·Pedro Osorio-MontalvoClelia De-la-Peña
Jul 28, 2020·Plants·Sergio IbáñezJosé Manuel Pérez-Pérez
Aug 14, 2020·International Journal of Molecular Sciences·Carol A Olivares-GarcíaEliel Ruiz-May
Apr 16, 2019·Frontiers in Plant Science·Maria Salomé Pais
Jul 9, 2020·International Journal of Molecular Sciences·Miguel A Uc-ChucVíctor M Loyola-Vargas
Feb 23, 2019·Frontiers in Plant Science·Hugo A Méndez-HernándezVíctor M Loyola-Vargas
Feb 1, 2019·Current Opinion in Plant Biology·Kaoru SugimotoSachihiro Matsunaga
Jul 21, 2021·International Journal of Molecular Sciences·Velimir MladenovFederico Martinelli
Aug 28, 2021·Biology·Ioanna KakoulidouStéphane Maury

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Methods Mentioned

BETA
enzymatic studies
electrophoresis
PCR
deamination
confocal microscopy
immunoprecipitation
acetylation

Software Mentioned

MSAP
MEGA6

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