Vaccine composition for preventing or treating porcine pleuropneumonia

The present invention relates to a fusion protein including a fragment of ApxIA of Actinobacillus pleuropneumoniae and a fragment of ApxIIA of Actinobacillus pleuropneumoniae. In particular, among constituents A, B, C, and D of toxin ApxI, NA (1-380 amino acids) which is a partial protein of the N-t...

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Bibliographische Detailangaben
Hauptverfasser: HAN, JE MIN, KIM, TAE HWAN, SHIN, DONG JU, PARK, BYUNG SUN, LEE, NAK HYUNG, LEE, SOO JIN, JEONG, YOUNG JU, JUNG, CHEONG HWAN, CHO, EUN HAENG
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:The present invention relates to a fusion protein including a fragment of ApxIA of Actinobacillus pleuropneumoniae and a fragment of ApxIIA of Actinobacillus pleuropneumoniae. In particular, among constituents A, B, C, and D of toxin ApxI, NA (1-380 amino acids) which is a partial protein of the N-terminal fragment of a structural protein of ApxI, ApxIA, is fused with F#5 (439-801 amino acids) which is a partial protein of a structural protein of ApxII toxin, ApxIIA, to thereby form a fusion protein L. In the present invention, it was found that a vaccine using the fusion protein L provides defense not only against serotype 1 of Actinobacillus pleuropneumoniae with a combination of ApxI and ApxII, but also against serotype 2 of Actinobacillus pleuropneumoniae with a combination of ApxII and ApxIII. Accordingly, the vaccine including the fusion protein L may be used as a vaccine against the above two serotypes of Actinobacillus pleuropneumoniae. 본 발명은 흉막폐렴균 ApxIA 단백질의 단편과 흉막폐렴균 ApxIIA 단백질의 단편을 포함하는 융합 단백질에 관한 것으로, 톡신 ApxI의 구성요소인 A, B, C, D 중, ApxI의 구조 단백질인 ApxIA의 N 말단 일부의 부분 단백질인 NA(1~380 amino acid) 와, ApxII 톡신의 구조단백질인 ApxIIA의 부분 단백질인 F#5(439~801 amino acid)를 융합한 융합 단백질 L을 이용한 백신이 ApxI과 ApxII 톡신의 조합을 가지고 있는 흉막폐렴균의 혈청형 1 뿐만 아니라, ApxII과 ApxIII 톡신의 조합을 가지는 흉막폐렴균의 혈청형 2에 대해서도 방어효과를 가지는 것을 확인하여, 흉막폐렴균의 두가지 혈청형에 대한 백신으로 이용이 가능하다.