Journal of fish pathology (한국어병학회지)

The Korean Society of Fish Pathology (한국어병학회)
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Acquired resistance of rock bream (Oplegnathus fasciatus) against rock bream iridovirus (RBIV) through undergoing low water temperature period

  • Zenke, Kosuke (Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo) ;
  • Yoon, Ki Joon (Hebei Spirit Incident Compensation Bureau, Ministry of Oceans and Fisheries) ;
  • Kim, Min Sun (Department of Aquatic Life Medicine, Pukyong National University) ;
  • Choi, Seung Hyuk (Department of Aquatic Life Medicine, Pukyong National University) ;
  • Kim, Ki Hong (Department of Aquatic Life Medicine, Pukyong National University)
  • Received : 2014.07.10
  • Accepted : 2014.08.13
  • Published : 2014.08.30
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Abstract

Water temperature is a key environmental factor controlling the epizootics of viral diseases in fish. High water temperature is associated with the rapid spread of rock bream iridovirus (RBIV) disease and with high mortality of RBIV infected fish. Although protection of fish against iridoviral disease by active immunization has been reported, little information is available concerning whether fish survived from an epizootic of iridoviral disease can naturally acquire resistance against the viral disease. In the present study, we have demonstrated that juvenile rock bream, which survived from a natural epizootic of RBIV, acquired resistance against recurrence or reinfection of RBIV, and this resistance was established during the subsequent low water temperature period. Furthermore, the possible involvement of the adaptive humoral immune response in the resistance of the juvenile rock bream was suggested by in vivo neutralization experiment.

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References

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