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Related Experiment Video

Updated: Aug 7, 2025

Reverse Genetic Approach to Identify Regulators of Pigmentation using Zebrafish

Reverse Genetic Approach to Identify Regulators of Pigmentation using Zebrafish

Published on: March 1, 2022

Zebrafish pigment cells develop directly from persistent highly multipotent progenitors.

Tatiana Subkhankulova¹, Karen Camargo Sosa¹, Leonid A Uroshlev²

¹Department of Life Sciences, University of Bath, Claverton Down, Bath, BA2 7AY, UK.

Nature Communications

|March 6, 2023

Summary

This summary is machine-generated.

Neural crest cells remain multipotent during zebrafish pigment cell development, challenging progressive fate restriction models. Early leukocyte tyrosine kinase expression guides differentiation dynamically.

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Published on: March 22, 2017

Area of Science:

Developmental biology
Stem cell biology
Zebrafish models

Background:

Neural crest cells are multipotent stem cells crucial for development.
The mechanisms of neural crest cell fate restriction are debated, with direct vs. progressive models proposed.

Purpose of the Study:

To investigate the fate restriction dynamics of neural crest cells during zebrafish pigment cell development.
To determine whether partially-restricted intermediate cell states exist in vivo.

Main Methods:

Single-cell transcriptional profiling using NanoString hybridization.
RNAscope in situ hybridization for spatial gene expression analysis.
Utilized zebrafish pigment cell development as a model system.

Main Results:

Neural crest cells maintained broad multipotency throughout migration and in post-migratory stages.
No evidence for partially-restricted intermediate cell populations was found.
Early leukocyte tyrosine kinase expression identified a multipotent stage, with signaling promoting iridophore differentiation by repressing other fates.

Conclusions:

Pigment cell development occurs directly, not progressively, from a multipotent state.
Findings support a dynamic, direct fate restriction model, aligning with the Cyclical Fate Restriction model.