1. The Independent Probabilistic Firing of Transcription Factors: A Paradigm for Clonal Variability in the Zebrafish Retina.
- Author
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Boije H, Rulands S, Dudczig S, Simons BD, and Harris WA
- Subjects
- Animals, Cell Differentiation physiology, Cell Lineage physiology, Zebrafish genetics, Gene Expression Regulation, Developmental physiology, Retina cytology, Retina metabolism, Stem Cells cytology, Transcription Factors metabolism, Zebrafish embryology, Zebrafish metabolism, Zebrafish Proteins metabolism
- Abstract
Early retinal progenitor cells (RPCs) in vertebrates produce lineages that vary greatly both in terms of cell number and fate composition, yet how this variability is achieved remains unknown. One possibility is that these RPCs are individually distinct and that each gives rise to a unique lineage. Another is that stochastic mechanisms play upon the determinative machinery of equipotent early RPCs to drive clonal variability. Here we show that a simple model, based on the independent firing of key fate-influencing transcription factors, can quantitatively account for the intrinsic clonal variance in the zebrafish retina and predict the distributions of neuronal cell types in clones where one or more of these fates are made unavailable., (Copyright © 2015 The Authors. Published by Elsevier Inc. All rights reserved.)
- Published
- 2015
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