The immune defense response of Pacific white shrimp (Litopenaeus vannamei) to temperature fluctuation.

Animals Bacteria / isolation & purification Cold Temperature Gastrointestinal Microbiome Gene Expression / immunology Immunity, Innate / physiology Penaeidae / genetics
Immune response Intestinal Litopenaeus vannamei Microbiota Temperature fluctuation

Journal

Fish & shellfish immunology
ISSN: 1095-9947
Titre abrégé: Fish Shellfish Immunol
Pays: England
ID NLM: 9505220

Informations de publication

Date de publication:
Aug 2020
Historique:
received: 14 02 2020
revised: 18 04 2020
accepted: 23 04 2020
pubmed: 30 4 2020
medline: 26 1 2021
entrez: 30 4 2020
Statut: ppublish

Résumé

Temperature is a significant environmental factor contributing to the success of aquaculture. To investigate the immune defense response during temperature fluctuation, Litopenaeus vannamei (L. vannamei) was treated under conditions of gradual cooling from an acclimation temperature of 28 °C (C group) to 13 °C (T group) in 2 days with a cooling rate of 7.5 °C/d and then rewarmed to 28 °C (R group) using the same rate. Relative expression of immune defense system-related genes and intestinal microbial composition in L. vannamei were investigated. The results showed that with a decrease in temperature, the expression of TLR, IMD, proPO and Casp3 in intestine was significantly decreased, while the expression of Muc-3A, Muc-5AC, Muc-17, IAP, p53, HSP70, MT and Fer was significantly increased after cooling. After temperature recovery, gene expression generally showed a trend of recovering to the normal level (C). Intestinal microbial analysis showed that, compared with the C group, the Chao and Ace indexes, the relative abundance of microflora from the Phylum Bacteroidetes, Class Alphaproteobacteria, and Class Bacteroidia, significantly decreased in the R group. The results revealed that cold-stress may decrease microbial community richness, alter the bacterial community in general and reduce shrimp immunity to pathogens and antibacterial activity. As a result, during temperature fluctuation shrimp may mobilize the immune defense system through upregulating the expression of Muc genes, anti-apoptosis related genes, and antioxidant related genes in order to maintain organism homeostasis as well as to repair damaged intestinal tissue.

Identifiants

DOI: 10.1016/j.fsi.2020.04.053 PMID: 32348886
pubmed: 32348886
pii: S1050-4648(20)30299-0
doi: 10.1016/j.fsi.2020.04.053
pii:
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

103-110

Informations de copyright

Copyright © 2020 Elsevier Ltd. All rights reserved.

Déclaration de conflit d'intérêts

Declaration of competing interest We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the manuscript submitted.

Auteurs

Zhenlu Wang (Z)

College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, PR China.

Jiang Zhou (J)

College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, PR China.

Junyi Li (J)

College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, PR China.

Jixing Zou (J)

College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, PR China. Electronic address: zoujixing@scau.edu.cn.

Lanfen Fan (L)

College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, PR China. Electronic address: fanlanfen@scau.edu.cn.

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Classifications MeSH

questionsmedicales.fr › Eucaryotes › Animaux › The immune defense response of Pacific white...
questionsmedicales.fr › Bactéries › The immune defense response of Pacific white...
questionsmedicales.fr › Environnement et santé publique › Environnement › Concepts météorologiques › Atmosphère › Temps (météorologie) › Température › Basse température › The immune defense response of Pacific white...
questionsmedicales.fr › Environnement et santé publique › Environnement › Écosystème › Biodiversité › Biote › Microbiote › Microbiome gastro-intestinal › The immune defense response of Pacific white...
questionsmedicales.fr › Phénomènes génétiques › Expression des gènes › The immune defense response of Pacific white...
questionsmedicales.fr › Phénomènes du système immunitaire › Immunité › Immunité innée › The immune defense response of Pacific white...
questionsmedicales.fr › Eucaryotes › Animaux › Invertébrés › Arthropodes › Crustacea › Decapoda (crustacea) › Penaeidae › The immune defense response of Pacific white...