Cited by 73Vibrio bacteria research studiesBacterial Infections and VaccinesEscherichia coli research studies

Vibrio cholerae hemagglutinin(HA)/protease: An extracellular metalloprotease with multiple pathogenic activities

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Benitez, Jorge A., Silva, Anisia J.·2016·Toxicon

Abstract

Vibrio cholerae of serogroup O1 and O139, the etiological agent of the diarrheal disease cholera, expresses the extracellular Zn-dependent metalloprotease hemagglutinin (HA)/protease also reported as vibriolysin. This enzyme is also produced by non-O1/O139 (non-cholera) strains that cause mild, sporadic illness (i.e. gastroenteritis, wound or ear infections). Orthologs of HA/protease are present in other members of the Vibrionaceae family pathogenic to humans and fish. HA/protease belongs to the M4 neutral peptidase family and displays significant amino acid sequence homology to Pseudomonas aeruginosa elastase (LasB) and Bacillus thermoproteolyticus thermolysin. It exhibits a broad range of potentially pathogenic activities in cell culture and animal models. These activities range from the covalent modification of other toxins, the degradation of the protective mucus barrier and disruption of intestinal tight junctions. Here we review (i) the structure and regulation of HA/protease expression, (ii) its interaction with other toxins and the intestinal mucosa and (iii) discuss the possible role(s) of HA/protease in the pathogenesis of cholera.

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Crossref · 10.1016/j.toxicon.2016.03.003

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  • The extracellular Zn-dependent metalloprotease hemagglutinin (vibriolysin) has been implicated in the pathogenicity of Vibrio cholerae.

    “The extracellular Zn-dependent metalloprotease hemagglutinin (HA) also called vibriolysin, has been implicated in the pathogenicity of Vibrio cholerae.”
  • Proteases from infectious agents such as Pic in diarrheagenic E. coli and Shigella, or vibriolysin in V. cholera, degrade colonic mucus, which is a key step facilitating epithelium invasion.

    “Proteases from different infectious agents such as Pic in diarrheagenic E. coli and Shigella, or vibriolysin in V. cholera, degrade the colonic mucus, which is a key step facilitating epithelium invasion.10,68,69,71”
  • Vibriolysin presents a broad range of potentially pathogenic activities including degradation of the mucus barrier or disruption of epithelial tight junctions.

    “vibriolysin presents a broad range of potentially pathogenic activities including degradation of the mucus barrier or disruption of epithelial tight junctions.10,83”

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Authors
Benitez, J. A., & Silva, A. J.
Affiliations
Morehouse School of Medicine (US)
Corresponding author
Silva, Anisia J.
Venue
Toxicon
Publisher
Elsevier BV
Published
2016-06
Volume
115
Pages
55-62
ISSN
0041-0101 (ISSN-L)
OpenAlex
W2294572602
Cited by
73
References
98
Citations by year
2026: 9 · 2025: 9 · 2024: 9 · 2023: 6 · 2022: 2 · 2021: 6 · 2020: 11 · 2019: 8 · 2018: 7 · 2017: 4 · 2016: 1
FWCI
0.93
Type
journal article
Language
en
Open access
Locations
  • Toxicon (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Allergy and Infectious Disease (AI103693, AI104993)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Endocrinology › Vibrio bacteria research studies
  • Life Sciences › Immunology and Microbiology › Microbiology › Bacterial Infections and Vaccines
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Endocrinology › Escherichia coli research studies
Keywords
Vibrio cholerae, zinc-dependent protease, cholera pathogenesis, intestinal mucosa, toxin regulation
MeSH terms
Amino Acid Sequence, Animals, Bacterial Proteins, Cholera, Humans, Intestinal Mucosa, Metalloendopeptidases, Thermolysin, Vibrio cholerae, Sequence Homology, Amino Acid, Models, Animal

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