Cited by 158Marine Bivalve and Aquaculture StudiesAquaculture disease management and microbiotaPhysiological and biochemical adaptations

The identification of genes from the oyster Crassostrea gigas that are differentially expressed in progeny exhibiting opposed susceptibility to summer mortality

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Huvet, Arnaud, Herpin, Amaury, Dégremont, Lionel, Labreuche, Yannick, Samain, Jean-François, Cunningham, Charles·2004·Gene

Abstract

Summer mortality associated with juveniles of the oyster Crassostrea gigas is probably the result of a complex interaction between the host, pathogens and environmental factors. Genetic variability in the host appears to be a major determinant in its sensitivity to summer mortality. Previously, divergent selection criteria based on summer survival have been applied to produce oyster families with resistant and susceptible progeny. In this paper, we describe the use of suppression subtractive hybridization to generate 150 C. gigas clones that were differentially regulated between resistant and susceptible F2 progeny. The nucleotide sequence of these clones was determined. In 28%, the inferred amino sequence was found to match the products of known genes, 14% matched hypothetical proteins and a further 14% appeared to contain open reading frames (ORFs) whose product had no obvious homologue in the nucleotide databases. It has been hypothesized that differences exist in the level of energy generation and immune function between resistant and susceptible progeny. In light of this, clones encoding homologues of cavortin, cyclophilin, isocitrate dehydrogenase, sodium glucose cotransporter, fatty acid binding protein, ATPase H+ transporting lysosomal protein, precerebellin, and scavenger receptor were analyzed by real-time PCR. These transcripts were induced in resistant progeny when compared to their susceptible counterparts. A bacterial challenge of oysters resulted in the suppression of six of these transcripts in only those that were resistant to summer mortality. This study has identified potential candidates for further investigation into the functional basis of resistance and susceptibility to summer mortality.

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Crossref · 10.1016/j.gene.2004.09.008

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  • Sea urchins possess an SOD2-like gene (SPU_014006) that may be related to the molluscan metal-binding proteins cavortin and pernin.

    “Interestingly, sea urchins possess an SOD2-like gene (SPU_014006) that may be related to the molluscan metal-binding proteins cavortin and pernin, which are hemolymph proteins with binding affinity for Fe but also Cu, Ni, Co, and Zn (Huvet et al., 2004;Scotti et al., 2001).”

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Authors
Huvet, A., Herpin, A., Dégremont, L., Labreuche, Y., Samain, J.-F., & Cunningham, C.
Affiliations
Ifremer (FR)
Corresponding author
Huvet, Arnaud
Venue
Gene
Publisher
Elsevier BV
Published
2004-12
Volume
343
Issue
1
Pages
211-220
ISSN
0378-1119 (ISSN-L)
OpenAlex
W2099368041
Cited by
158
References
33
Citations by year
2025: 3 · 2023: 2 · 2022: 3 · 2021: 1 · 2020: 6 · 2019: 6 · 2018: 7 · 2017: 7 · 2016: 2 · 2015: 3 · 2014: 11 · 2013: 10 · 2012: 18
FWCI
8.89
Type
journal article
Language
en
Open access
Locations
  • Gene (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea) (submittedVersion)
  • HAL (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Marine Bivalve and Aquaculture Studies
  • Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
  • Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
Keywords
Crassostrea gigas, summer mortality, differential gene expression, suppression subtractive hybridization, divergent selection, F2 progeny, host-pathogen interaction, bacterial challenge, immune-related genes, energy metabolism, scavenger receptors, fatty acid binding protein, sodium-glucose cotransporter, isocitrate dehydrogenase, cyclophilin
MeSH terms
Animals, France, Nucleic Acid Hybridization, Ostreidae, RNA, Seasons, Vibrio, Gene Library, Gene Expression Regulation, Developmental

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