Differential profiles of gene expression in grouper Epinephelus coioides, infected with Singapore grouper iridovirus, revealed by suppression subtractive hybridization and DNA microarray

Journal of Fish Biology
D XuQiwei Qin

Abstract

Suppression subtractive hybridization (SSH) was used to generate a subtracted cDNA library enriched with gene transcripts differentially expressed in the spleen of orange-spotted grouper Epinephelus coioides after 5 days of infection with Singapore grouper iridovirus (SGIV). In the forward and reverse-subtracted libraries, 260 and 153 non-redundant expressed sequence tags (EST), respectively, were identified. These annotated genes responding to SGIV infection were grouped into eight gene categories related to immunity, cell structure, transcription-translation, cell signalling, metabolism, mitochondrial proteins, ribosomal proteins and unknown or hypothetical proteins. A DNA microarray containing all the differentially expressed genes was constructed, and the gene expression patterns in different tissues were investigated in virus-infected E. coioides. Of these genes, four associated with the infection processes were identified and further investigated by quantitative real-time PCR. These results provide new insights into the molecular basis of host-pathogen interactions in E. coioides, and will help the development of control strategies against SGIV infection.

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Citations

Jul 18, 2012·Genetics and Molecular Biology·Fabiana Aparecida RodriguesAlexandre Lima Nepomuceno
Apr 17, 2012·Developmental and Comparative Immunology·Ming-Shan WuChi-Yao Chang
Oct 18, 2015·Fish & Shellfish Immunology·Jingguang WeiQiwei Qin
Nov 21, 2013·Journal of Peptide Science : an Official Publication of the European Peptide Society·Yongzhong LuJie Liu
Jan 24, 2015·Fish & Shellfish Immunology·Jingguang WeiQiwei Qin
May 30, 2019·BMC Pharmacology & Toxicology·Alireza NeshaniKiarash Ghazvini

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