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. 2018 Sep 27;13(9):e0204450. doi: 10.1371/journal.pone.0204450

Fig 5. Canine antibody against attenuated LukS-I and LukF-I react with recombinant wild-type LukS-I and LukF-I.

Fig 5

Antibodies against S. pseudintermedius wild-type LukS-I and LukF-I were detected using an indirect ELISA. Recombinant S. pseudintermedius LukS-I and LukF-I proteins were coated on ELISA plates, then incubated with two-fold serially diluted serum from dog vaccinated with the same proteins. High reactivity with LukS-I and LukF-I was seen from sera collected two weeks after 3rd injetions of attenuated LukS-I (P <0.0001****) and LukF-I (P <0.0001****) compared to pre-injection sera. The values represent averages from three independent experiments.