PMID- 28527896 OWN - NLM STAT- MEDLINE DCOM- 20171124 LR - 20171128 IS - 1095-9947 (Electronic) IS - 1050-4648 (Linking) VI - 66 DP - 2017 Jul TI - Molecular characterization and expression analyses of the Solea senegalensis interferon-stimulated gene 15 (isg15) following NNV infections. PG - 423-432 LID - S1050-4648(17)30285-1 [pii] LID - 10.1016/j.fsi.2017.05.040 [doi] AB - Interferons are essential in fish resistance to viral infections. They induce interferon-stimulated genes, such as isg15. In this study, the Senegalese sole isg15 gene (ssisg15) has been characterized. As other isg15, ssisg15 contains a 402-bp intron sited in the 5'-UTR, and the full length cDNA is 1492-bp, including a 480-bp ORF. The expression analyses revealed basal levels of isg15 transcripts, and a clear induction after poly I:C injection, that reached maximum values in brain, head kidney and gills. The ssisg15 induction patterns were similar in RGNNV- and SJNNV-inoculated fish, whereas the reassortant (RG/SJ) isolate, which has higher replication fitness, triggered delayed but higher transcript levels. Furthermore, RG/SJ infection after poly I:C treatment reduced the induction of ssisg15 transcripts, suggesting an antagonistic mechanism against interferon type I system, that might allow an efficient viral replication at the initial steps of the infective process. CI - Copyright (c) 2017 Elsevier Ltd. All rights reserved. FAU - Alvarez-Torres, Daniel AU - Alvarez-Torres D AD - Universidad de Malaga, Departamento de Microbiologia, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Malaga, Spain; Universidad de Malaga, Departamento de Genetica, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Malaga, Spain. FAU - Podadera, Ana Maria AU - Podadera AM AD - Universidad de Malaga, Departamento de Microbiologia, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Malaga, Spain. FAU - Alonso, M Carmen AU - Alonso MC AD - Universidad de Malaga, Departamento de Microbiologia, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Malaga, Spain. FAU - Bandin, Isabel AU - Bandin I AD - Universidad de Santiago de Compostela, Departamento de Microbiologia, Instituto de Acuicultura, 15782 Santiago de Compostela, Spain. FAU - Bejar, Julia AU - Bejar J AD - Universidad de Malaga, Departamento de Genetica, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Malaga, Spain. FAU - Garcia-Rosado, Esther AU - Garcia-Rosado E AD - Universidad de Malaga, Departamento de Microbiologia, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Malaga, Spain. Electronic address: megarciar@uma.es. LA - eng PT - Journal Article DEP - 20170517 PL - England TA - Fish Shellfish Immunol JT - Fish & shellfish immunology JID - 9505220 RN - 0 (Cytokines) RN - 0 (DNA, Complementary) RN - 0 (Fish Proteins) RN - 0 (RNA, Messenger) RN - 0 (Ubiquitins) SB - IM MH - Amino Acid Sequence MH - Animals MH - Base Sequence MH - Cloning, Molecular MH - Cytokines/chemistry/*genetics/metabolism MH - DNA, Complementary/genetics/metabolism MH - Fish Diseases/*genetics/immunology MH - Fish Proteins/chemistry/*genetics/metabolism MH - *Flatfishes MH - Nodaviridae/genetics/*physiology MH - Phylogeny MH - RNA Virus Infections/genetics/immunology/*veterinary MH - RNA, Messenger/genetics/metabolism MH - Ubiquitins/chemistry/*genetics/metabolism OTO - NOTNLM OT - IFN I OT - NNV OT - Solea senegalensis OT - isg15 gene EDAT- 2017/05/22 06:00 MHDA- 2017/11/29 06:00 CRDT- 2017/05/22 06:00 PHST- 2017/03/29 00:00 [received] PHST- 2017/05/11 00:00 [revised] PHST- 2017/05/15 00:00 [accepted] PHST- 2017/05/22 06:00 [pubmed] PHST- 2017/11/29 06:00 [medline] PHST- 2017/05/22 06:00 [entrez] AID - S1050-4648(17)30285-1 [pii] AID - 10.1016/j.fsi.2017.05.040 [doi] PST - ppublish SO - Fish Shellfish Immunol. 2017 Jul;66:423-432. doi: 10.1016/j.fsi.2017.05.040. Epub 2017 May 17.