期刊
FISH & SHELLFISH IMMUNOLOGY
卷 61, 期 -, 页码 61-67出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fsi.2016.12.021
关键词
rtp3; NNV; VNN disease; Asian seabass; Breeding
资金
- Singapore Ministry of Education Tier 1 grant [R-154-000-593-112]
- National Research Foundation, Prime Minister's Office, Singapore, under its Competitive Research Program (CPR Award) [NRF-CPR7-2010-01]
Asian seabass, an important food fish in Southeast Asia, has suffered from nervous necrosis virus (NNV) infection, resulting in massive mortality of Asian seabass larvae and enormous economic losses. Identification, and characterization of disease resistance genes is important. Previous transcriptome analysis of Asians seabass epithelial cells after NNV infection revealed a highly inducible gene, receptor transporting protein 3 (rtp3), indicating it could play an important role in Asian seabass - NNV interaction. To characterize this gene, we determined its expression pattern and subcellular localization. The rtp3 was highly induced in most examined tissues and organs of Asian seabass after NNV infection, and protein Rtp3 was localized in cytoplasm. Further association study in multiple families revealed that a microsatellite marker, (GT)ntt(GT)n, in the 3' UTR of rtp3 was significantly associated with VNN disease resistance in Asian seabass. Our results imply that rtp3 may be a novel disease resistance gene in Asian seabass. This data could improve our understanding of molecular interaction between Asian seabass and NNV, and has the potential to be applied in marker-assisted selection for disease resistance breeding in Asian seabass. (C) 2016 Elsevier Ltd. All rights reserved.
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