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Updated: Aug 12, 2026
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Zebrafish Whole Mount High-Resolution Double Fluorescent In Situ Hybridization
Published on: March 25, 2009
The zebrafish klf gene family
1Ludwig Institute for Cancer Research, Melbourne Tumour Biology Branch, Royal Melbourne Hospital, Victoria, Australia.
Blood
|September 6, 2001
Summary
Researchers identified five new Krüppel-like factor (KLF) genes in zebrafish, revealing novel conserved domains and developmental roles. These findings highlight the ancient importance of KLF genes in vertebrate hematopoiesis and development.
Area of Science:
- Developmental Biology
- Genetics
- Molecular Biology
Background:
- Krüppel-like factor (KLF) genes encode transcriptional regulators vital for mammalian cell differentiation.
- KLF1 (EKLF) is essential for normal globin production in mammals.
Purpose of the Study:
- To isolate and characterize new KLF genes in zebrafish (Danio rerio).
- To investigate the structure, genetic location, and developmental expression of these zebrafish KLF genes.
- To explore potential conserved functions with mammalian KLF homologs.
Main Methods:
- Isolation of five new KLF genes from zebrafish.
- Characterization of protein structure, genetic mapping, and developmental expression patterns.
- Comparative analysis of novel conserved domains in KLF protein N-termini.
Main Results:
- Identification of three genes related to mammalian KLF2/KLF4, an ortholog of KLF12, and a novel KLF1/KLF2-related gene.
- Discovery of novel conserved domains in the N-termini of zebrafish KLF proteins.
- Expression patterns suggest roles in zebrafish hematopoiesis, blood vessel function, fin, and epidermal development.
Conclusions:
- Zebrafish KLF genes exhibit significant functional conservation with their mammalian counterparts.
- These findings deepen the understanding of KLF gene roles in vertebrate development.
- The study indicates an ancient evolutionary role for the KLF gene family in hematopoiesis.
