|ZFIN ID: ZDB-PUB-150908-7|
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The Independent Probabilistic Firing of Transcription Factors: A Paradigm for Clonal Variability in the Zebrafish Retina
Boije, H., Rulands, S., Dudczig, S., Simons, B.D., Harris, W.A.
|Source:||Developmental Cell 34(5): 532-43 (Journal)|
|Registered Authors:||Dudczig, Stefanie, Harris, William A.|
|PubMed:||26343455 Full text @ Dev. Cell|
Boije, H., Rulands, S., Dudczig, S., Simons, B.D., Harris, W.A. (2015) The Independent Probabilistic Firing of Transcription Factors: A Paradigm for Clonal Variability in the Zebrafish Retina. Developmental Cell. 34(5):532-43.
ABSTRACTEarly 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.