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Original Articles
Characteristics of Vibrio vulnificus Bacteriophage
Yang-Hyo Oh, So-Gyeum Yoon, Eun-Jin Kong, Min-Jung Kim, Yung-Bu Kin, Yung-Min Park
Department of Microbiology, College of Medicine and Research Institute of Medicine", Pusan National University, Pusan, Korea
Vol.27 Num.5 (p439~450)
Background : Vibrio vulnificus causes severe wound infection and life-threatening septicemia. In this study we present the characteristics of V. vulnificus bacteriophage and the basis of pathogenicity study of V. vulnificus related on bacteriophange.
Methods : We isolated bacteriophage for V. vulnificus from marine products and examined its physiological and biochemical characteristics, and the ultrastructure by electron microscopy (TEM,SEM). And also, we investigated host ranges, temperature stability, pH stability, inactivation by UV irradiation, DNA isolation and analysis and structural protein analysis of the bacteriophage.
Results : The adsorption rate of bacteriophage was above 80% and had a little influence at 10-45℃ and pH5-10. Isolated bacteriophage was used to produce antiserum against rabbits and its antigenicity was investigated by cross-neutralization. Western blot analysis showed the capsid protein of bacteriophage had antigenicity. The bacteriophage had double-strand DNA. In restriction analysis, the phage DNA was digested HinfI. The structural protein of phage showed two bands of 34.7kDa and 18.4kDa on SDS-PAGE.
Conclusion : The specificity of bacteriophage may be
Keywords : Vibrio vulnificus, Bacteriophage, Characteristics, Antigenicity