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Main Authors: Hu, Ya-Zhen, Tan, Ning-Xi, Cao, Jia-Feng, Chen, Jiong
Format: Artículo científico
Language:en
Published: Fish & shellfish immunology 2025
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Online Access:https://pubmed.ncbi.nlm.nih.gov/40571069/
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author Hu, Ya-Zhen
Tan, Ning-Xi
Cao, Jia-Feng
Chen, Jiong
author_facet Hu, Ya-Zhen
Tan, Ning-Xi
Cao, Jia-Feng
Chen, Jiong
Hu, Ya-Zhen
Tan, Ning-Xi
Cao, Jia-Feng
Chen, Jiong
collection PubMed - marine biology
contents Mudskipper β-def2 exhibits potent broad-spectrum bactericidal activity via membrane-disrupting and DNA-targeting mechanisms. Hu, Ya-Zhen Tan, Ning-Xi Cao, Jia-Feng Chen, Jiong Animals beta-Defensins Anti-Bacterial Agents Phylogeny Amino Acid Sequence Polychaeta Microbial Sensitivity Tests Cell Membrane Sequence Alignment Defensins, cysteine-rich host defense peptides critical for host's antibacterial immunity, remain understudied in intertidal living species. Here, we characterize muβ-def2, a 43-amino-acid β-defensin from mudskipper with three pairs of disulfide structures (C1-C5, C2-C4, C3-C6) and a cationic amphiphilic topology, featuring a hydrophobic face and a charge-rich surface (+4.5 net charge, pI 8.9). Phylogenetic analysis reveals its tight clustering within the β-def2 subclass, highlighting conserved evolutionary antimicrobial functions. muβ-def2 exhibits potent broad-spectrum bactericidal activity, with minimum bactericidal concentrations (MBCs) ranging from
format Artículo científico
id pubmed_40571069
institution PubMed
language en
publishDate 2025
publisher Fish & shellfish immunology
record_format pubmed
spellingShingle Mudskipper β-def2 exhibits potent broad-spectrum bactericidal activity via membrane-disrupting and DNA-targeting mechanisms.
Hu, Ya-Zhen
Tan, Ning-Xi
Cao, Jia-Feng
Chen, Jiong
Animals
beta-Defensins
Anti-Bacterial Agents
Phylogeny
Amino Acid Sequence
Polychaeta
Microbial Sensitivity Tests
Cell Membrane
Sequence Alignment
Mudskipper β-def2 exhibits potent broad-spectrum bactericidal activity via membrane-disrupting and DNA-targeting mechanisms. Hu, Ya-Zhen Tan, Ning-Xi Cao, Jia-Feng Chen, Jiong Animals beta-Defensins Anti-Bacterial Agents Phylogeny Amino Acid Sequence Polychaeta Microbial Sensitivity Tests Cell Membrane Sequence Alignment Defensins, cysteine-rich host defense peptides critical for host's antibacterial immunity, remain understudied in intertidal living species. Here, we characterize muβ-def2, a 43-amino-acid β-defensin from mudskipper with three pairs of disulfide structures (C1-C5, C2-C4, C3-C6) and a cationic amphiphilic topology, featuring a hydrophobic face and a charge-rich surface (+4.5 net charge, pI 8.9). Phylogenetic analysis reveals its tight clustering within the β-def2 subclass, highlighting conserved evolutionary antimicrobial functions. muβ-def2 exhibits potent broad-spectrum bactericidal activity, with minimum bactericidal concentrations (MBCs) ranging from
title Mudskipper β-def2 exhibits potent broad-spectrum bactericidal activity via membrane-disrupting and DNA-targeting mechanisms.
topic Animals
beta-Defensins
Anti-Bacterial Agents
Phylogeny
Amino Acid Sequence
Polychaeta
Microbial Sensitivity Tests
Cell Membrane
Sequence Alignment
url https://pubmed.ncbi.nlm.nih.gov/40571069/