PUBLICATION

Genomic Structure, Protein Character, Phylogenic Implication, and Embryonic Expression Pattern of a Zebrafish New Member of Zinc Finger BED-Type Gene Family

Authors
Zeng, C.W., Sheu, J.C., Tsai, H.J.
ID
ZDB-PUB-230122-18
Date
2023
Source
Genes   14(1): (Journal)
Registered Authors
Tsai, Huai-Jen
Keywords
BED-type zinc finger protein, embryonic development, expression pattern, phylogenetic analysis, zebrafish
MeSH Terms
  • Animals
  • Genomics
  • Phylogeny
  • Protein Isoforms/genetics
  • Protein Isoforms/metabolism
  • Zebrafish*/genetics
  • Zebrafish*/metabolism
  • Zebrafish Proteins*/genetics
  • Zebrafish Proteins*/metabolism
  • Zinc Fingers/genetics
PubMed
36672921 Full text @ Genes (Basel)
Abstract
We reported a new member of the C2H2-zinc-finger BED-type (ZBED) protein family found in zebrafish (Danio rerio). It was previously assigned as an uncharacterized protein LOC569044 encoded by the Zgc:161969 gene, the transcripts of which were highly expressed in the CNS after the spinal cord injury of zebrafish. As such, this novel gene deserves a more detailed investigation. The 2.79-kb Zgc:161969 gene contains one intron located on Chromosome 6 at 16,468,776-16,475,879 in the zebrafish genome encoding a 630-aa protein LOC569044. This protein is composed of a DNA-binding BED domain, which is highly conserved among the ZBED protein family, and a catalytic domain consisting of an α-helix structure and an hAT dimerization region. Phylogenetic analysis revealed the LOC569044 protein to be clustered into the monophyletic clade of the ZBED protein family of golden fish. Specifically, the LOC569044 protein was classified as closely related to the monophyletic clades of zebrafish ZBED4-like isoforms and ZBED isoform 2. Furthermore, Zgc:161969 transcripts represented maternal inheritance, expressed in the brain and eyes at early developmental stages and in the telencephalon ventricular zone at late developmental stages. After characterizing the LOC569044 protein encoded by the Zgc:161969 gene, it was identified as a new member of the zebrafish ZBED protein family, named the ZBEDX protein.
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