이매패류 소화 효소 및 환경수에서의 WSSV (white spot syndrome virus) 안정성
Stability of WSSV(white spot syndrome virus) in bivalve mollusk digestive enzymes and aquatic environments
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White spot syndrome virus (WSSV) is a viral disease that causes significant economic losses in the global shrimp industry, primarily through horizontal transmission among aquatic animals. The virus can also be spread by shellfish, which can concentrate and release the virus through filter-feeding activity. The potential for virus transmission depends on whether the virus can survive in the environment for a while without being digested. From the artificial degradation analysis in the environmental water, the number of WSSV genome copies decreased more rapidly in seawater than in freshwater, and at 18℃ compared to 23℃. Moreover, WSSV had a lower digestion rate with shellfish digestive enzyme compared to the reduction rate in seawater, indicating that WSSV may persist in the digestive tracts of shellfish for longer, increasing the chance of transmission. These findings conclude that shellfish play a significant role in the transmission of WSSV and further research is needed to determine their specific contribution to the virus spread in aquatic environments.
Abstract
White spot syndrome virus (WSSV) is a viral disease that causes significant economic losses in the global shrimp industry, primarily through horizontal transmission among aquatic animals. The virus can also be spread by shellfish, which can concentrate and release the virus through filter-feeding activity. The potential for virus transmission depends on whether the virus can survive in the environment for a while without being digested. From the artificial degradation analysis in the environmental water, the number of WSSV genome copies decreased more rapidly in seawater than in freshwater, and at 18℃ compared to 23℃. Moreover, WSSV had a lower digestion rate with shellfish digestive enzyme compared to the reduction rate in seawater, indicating that WSSV may persist in the digestive tracts of shellfish for longer, increasing the chance of transmission. These findings conclude that shellfish play a significant role in the transmission of WSSV and further research is needed to determine their specific contribution to the virus spread in aquatic environments.
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