plants

SummaryEmbryophytes—or land plants—are fundamental to life on Earth and influence systems that include carbon cycling, sedimentation rates, and rock weathering (1, 2). Although much is known about their probable mid-Ordovician appearance…

Cell size set by cell cycle regulationIn the Arabidopsis meristem, cell sizes are regularized despite asymmetric cell divisions. D'Ario et al. describe a balanced regulatory system that controls the duration of the growth phase of the cell…