Related Experiment Video
Updated: Jul 8, 2026

10:00
Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis
Published on: January 12, 2015
Developmental expression patterns of the zebrafish small heat shock proteins
Martha Marvin1, Devon O'Rourke, Tomoki Kurihara
1Department of Biology, Williams College, Williamstown, Massachusetts 01267, USA.
Summary
This study characterizes zebrafish small heat shock proteins (sHSPs) during development. Seven sHSPs show tissue-specific expression, and five are heat-inducible, providing a basis for understanding their developmental roles.
Area of Science:
- Molecular Biology
- Developmental Biology
- Genetics
Background:
- Small heat shock proteins (sHSPs), also known as alpha-crystallins, are crucial molecular chaperones found across diverse species.
- While many sHSPs function as chaperones, some possess independent roles and exhibit specific expression patterns during development, hinting at specialized functions.
Purpose of the Study:
- To systematically characterize the developmental expression patterns of all 13 zebrafish small heat shock proteins (sHSPs).
- To investigate the heat shock-induced expression of zebrafish sHSPs during various developmental stages.
Main Methods:
- Utilized zebrafish as a model organism for developmental studies.
- Analyzed the expression patterns of all 13 zebrafish sHSPs under normal and heat shock conditions throughout development.
Main Results:
- Identified tissue-specific expression patterns for seven of the 13 zebrafish sHSPs during development.
- Found that five zebrafish sHSPs are upregulated in response to heat shock.
- Established a comprehensive expression profile for zebrafish sHSPs during embryonic and juvenile stages.
Conclusions:
- The characterized expression patterns provide a foundational dataset for future research into sHSP functions during normal development.
- These findings pave the way for investigating the protective roles of sHSPs against environmental stressors during development.

