Lineage- and stage-specific expressed CYCD7;1 coordinates the single symmetric division that creates stomatal guard cells

Development
Annika K WeimerDominique C Bergmann

Abstract

Plants, with cells fixed in place by rigid walls, often utilize spatial and temporally distinct cell division programs to organize and maintain organs. This leads to the question of how developmental regulators interact with the cell cycle machinery to link cell division events with particular developmental trajectories. In Arabidopsis leaves, the development of stomata, two-celled epidermal valves that mediate plant-atmosphere gas exchange, relies on a series of oriented stem cell-like asymmetric divisions followed by a single symmetric division. The stomatal lineage is embedded in a tissue in which other cells transition from proliferation to postmitotic differentiation earlier, necessitating stomatal lineage-specific factors to prolong competence to divide. We show that the D-type cyclin, CYCD7;1, is specifically expressed just prior to the symmetric guard cell-forming division, and that it is limiting for this division. Further, we find that CYCD7;1 is capable of promoting divisions in multiple contexts, likely through RBR1-dependent promotion of the G1/S transition, but that CYCD7;1 is regulated at the transcriptional level by cell type-specific transcription factors that confine its expression to the appropriate developme...Continue Reading

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Citations

Jan 23, 2019·Development·Abigail R SimmonsDominique C Bergmann
Apr 17, 2019·Cold Spring Harbor Perspectives in Biology·Hitoshi Endo, Keiko U Torii
Aug 23, 2019·Proceedings of the National Academy of Sciences of the United States of America·Kezhen YangJie Le
Jan 28, 2020·The New Phytologist·Katelyn H McKown, Dominique C Bergmann
Oct 2, 2019·The Plant Journal : for Cell and Molecular Biology·Tiago D G NunesMichael T Raissig
Sep 1, 2020·The EMBO Journal·Bénédicte Desvoyes, Crisanto Gutierrez
Apr 28, 2019·Journal of Cell Science·Laura R Lee, Dominique C Bergmann
Jul 16, 2020·International Journal of Molecular Sciences·Estephania Zluhan-MartínezAdriana Garay-Arroyo
Dec 31, 2019·Developmental Cell·Roya CamposJaimie M Van Norman
Sep 28, 2018·Current Opinion in Plant Biology·Michelle R FacetteJaimie M Van Norman
Mar 27, 2021·Plant Signaling & Behavior·Flor Cristina Arellano-VillagómezGerardo Acosta-García
Apr 7, 2021·Developmental Cell·Camila B Lopez-AnidoDominique C Bergmann
Apr 21, 2021·Proceedings of the National Academy of Sciences of the United States of America·Chin-Min Kimmy HoDominique C Bergmann
Mar 11, 2021·Annual Review of Plant Biology·Akie ShimotohnoMasaaki Umeda
Jul 13, 2021·Frontiers in Plant Science·Laura Serna
Jul 14, 2021·The New Phytologist·Xiaoyu GuoJuan Dong
Oct 24, 2021·Plant Physiology·Rubén Tenorio BerríoMarieke Dubois

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