Stem-cell homeostasis and growth dynamics can be uncoupled in the Arabidopsis shoot apex.
作者： G Venugopala Reddy , Elliot M Meyerowitz
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摘要: The shoot apical meristem (SAM) is a collection of stem cells that resides at the tip each and provides shoot. It divided into functional regions. central zone (CZ) domain expression CLAVATA3 (CLV3) gene, encoding putative ligand for transmembrane receptor kinase, CLAVATA1, active in rib (RM), located just below CZ. We show here CLV3 restricts its own (the CZ) by preventing differentiation peripheral (PZ), which surround CZ, CZ overall SAM size separate, long-range effect on cell division rate.
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