Vaccine efficacy of recombinant GAPDH of Edwardsiella tarda against Edwardsiellosis |
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Authors: | Liu Ying Oshima Syun-ichirou Kurohara Kenrou Ohnishi Kouhei Kawai Kenji |
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Institution: | Fish Disease Laboratory, Department of Aquaculture, Faculty of Agriculture, Kochi, Japan. |
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Abstract: | Thirty-seven kilodalton glyceraldehyde-3-phosphate dehydrogenase (GAPDH) of Edwardsiella tarda was suggested to be an effective vaccine candidate against E. tarda infection in previous research. For developing a vaccine, obtaining GAPDH in large quantities is necessary. In this study, we determined the complete nucleotide sequence of the gene that encodes GAPDH of E. tarda, and overexpressed the GAPDH of E. tarda by using the Escherichia coli expression system. We immunized Japanese flounder with recombinant GAPDH (rGAPDH) and evaluated its vaccine efficacy. Our results showed that rGAPDH effectively protected Japanese flounder from experimental E. tarda infection, and will contribute to the development of a vaccine against E. tarda. |
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Keywords: | edwardsiella tarda glyceraldehyde‐3‐phosphate dehydrogenase (GAPDH) vaccine expression |
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