Cited by 85Antimicrobial Peptides and ActivitiesInvertebrate Immune Response MechanismsAquaculture disease management and microbiota

Antimicrobial proteins: from old proteins, new tricks

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Smith, Valerie J., Dyrynda, Elisabeth A.·2015·Molecular Immunology

Abstract

This review describes the main types of antimicrobial peptides (AMPs) synthesised by crustaceans, primarily those identified in shrimp, crayfish, crab and lobster. It includes an overview of their range of microbicidal activities and the current landscape of our understanding of their gene expression patterns in different body tissues. It further summarises how their expression might change following various types of immune challenges. The review further considers proteins or protein fragments from crustaceans that have antimicrobial properties but are more usually associated with other biological functions, or are derived from such proteins. It discusses how these unconventional AMPs might be generated at, or delivered to, sites of infection and how they might contribute to crustacean host defence in vivo. It also highlights recent work that is starting to reveal the extent of multi-functionality displayed by some decapod AMPs, particularly their participation in other aspects of host protection. Examples of such activities include proteinase inhibition, phagocytosis, antiviral activity and haematopoiesis.

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Crossref · 10.1016/j.molimm.2015.08.009

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Authors
Smith, V. J., & Dyrynda, E. A.
Affiliations
  • University of St Andrews (GB)
  • Heriot-Watt University (GB)
Corresponding author
Smith, Valerie J.
Venue
Molecular Immunology
Publisher
Elsevier BV
Published
2015-12
Volume
68
Issue
2
Pages
383-398
ISSN
0161-5890 (ISSN-L)
OpenAlex
W1193509026
Cited by
85
References
177
Citations by year
2026: 3 · 2025: 4 · 2024: 8 · 2023: 4 · 2022: 10 · 2021: 10 · 2020: 13 · 2019: 6 · 2018: 10 · 2017: 6 · 2016: 11
FWCI
1.10
Type
journal article
Language
en
Open access
Locations
  • Molecular Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • St Andrews Research Repository (St Andrews Research Repository) (submittedVersion)
Funders
Biotechnology and Biological Sciences Research Council (BB/M026132/1)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Antimicrobial Peptides and Activities
  • Life Sciences › Immunology and Microbiology › Immunology › Invertebrate Immune Response Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
Keywords
antimicrobial peptides, crustacean innate immunity, Decapoda, shrimp, crayfish, crabs, lobster, gene expression, immune challenge, protease inhibition, phagocytosis, antiviral activity, hematopoiesis, host defense
MeSH terms
Animals, Anti-Infective Agents, Brachyura, Astacoidea, Microbial Sensitivity Tests, Muramidase, Shellfish, Antimicrobial Cationic Peptides, Penaeidae, Arthropod Proteins

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