Detection of coat protein gene of nervous necrosis virus using loop-mediated isothermal amplification
10.1016/j.apjtm.2016.01.035
- Author:
Jinik HWANG
1
;
Sung-Suk SUH
1
;
Mirye PARK
1
;
Taek-Kyun LEE
1
;
Jinik HWANG
2
;
Mirye PARK
2
;
Taek-Kyun LEE
2
;
Myung-Joo OH
3
;
Jong-Oh KIM
3
;
Sukchan LEE
4
Author Information
1. South Sea Environment Research Department, Korea Institute of Ocean Science and Technology
2. Korea University of Science and Technology
3. Department of Aqualife Medicine, Chonnam National University
4. Department of Genetic Engineering, Sungkyunkwan University
- Publication Type:Journal Article
- Keywords:
Loop-mediated isothermal amplification;
Nervous necrosis virus;
Nodaviridae;
Polymerase chain reaction
- From:
Asian Pacific Journal of Tropical Medicine
2016;9(3):235-240
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To establish a novel and highly specific loop-mediated isothermal amplification (LAMP) assay for the identification of nervous necrosis virus (NNV) infection. Methods: A set of synthesized primers was used to match the sequences of a specific region of the nnv gene from the National Center for Biotechnology Information database, not originating from NNV-infected fish, the efficiency and specificity of LAMP were measured dependent on the concentration of DNA polymerase and the reaction temperature and time. In addition, to determine species-specific LAMP primers, cross reactivity testing was applied to the reaction between NVV and other virus families including viral hemorrhagic septicemia virus and marine birnavirus. Results: The optimized LAMP reaction carried out at 64 °C for 60 min, and above 4 U Bst DNA polymerase. The sensitivity of LAMP for the detection of nnv was thus about 10 times greater than the sensitivity of polymerase chain reaction. The LAMP assay primers were specific for the detection NNV infection in Epinephelus septemfasciatus. Conclusions: The development of LAMP primers based on genetic information from a public database, not virus-infected samples, may provide a very simple and convenient method to identify viral infection in aquatic organisms.
