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Comparative immunogenomics of molluscs.

Jonathan H Schultz1, Coen M Adema1

  • 1Center for Evolutionary and Theoretical Immunology, Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA.

Developmental and Comparative Immunology
|March 22, 2017
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Summary
This summary is machine-generated.

Comparative immunology reveals complex innate defenses in molluscs. Next-generation sequencing and immunogenomics uncover diverse immune gene families and pathogen-specific responses in snails and bivalves.

Keywords:
BivalviaGastropodaGenome characterizationNext-generation sequencingTranscriptomics

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Area of Science:

  • Comparative immunology
  • Invertebrate immunity
  • Genomics

Background:

  • Early immunology focused on vertebrates, neglecting invertebrate defenses.
  • Molluscs possess innate immunity but lack the vertebrate lymphocytic system.
  • Understanding invertebrate immunity is crucial for managing food sources, pests, and disease vectors.

Purpose of the Study:

  • To comprehensively understand molluscan immunity using modern molecular techniques.
  • To explore the diversity and evolution of immune mechanisms across molluscs.
  • To leverage genomics for a deeper insight into invertebrate defense strategies.

Main Methods:

  • Utilizing Next-Generation Sequencing (NGS) for large-scale data generation.
  • Employing RNA sequencing (RNAseq) to analyze immune gene expression profiles.
  • Analyzing available molluscan genome sequences for immune gene identification and characterization.

Main Results:

  • Identified novel aspects of innate immunity in bivalves and gastropods.
  • Revealed significant sequence heterogeneity within molluscan immune genes.
  • Demonstrated differential expression of expanded immune gene families in response to pathogens.

Conclusions:

  • Immunogenomics has unveiled a complex layer of molluscan defense mechanisms.
  • NGS significantly enhances the study of diverse invertebrate immune systems.
  • Molluscan immunity exhibits both conserved and taxon-specific features, with sophisticated pathogen-specific responses.