Coccidiosis vaccines
AssigneeHoffmann-La Roche Inc.
InventorsMary-Helen Binger, Luis Pasamontes
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Abstract
The invention provides an immunogenic polypeptide having the amino acid sequence ##STR1## and fragments thereof, which polypeptides are capable of inducing an immune response against Eimeria parasites, and the DNA encoding such polypeptides, as well as recombinant vectors and recombinant viruses containing the said DNA or fragments thereof and transformed microorganisms containing such vectors and viruses and coccidiosis vaccines comprising such polypeptides.
Claims7
An immunogenic polypeptide which has the amino acid sequence (SEQ ID NO:1) lacking the first 20 amino acid residues of said polypeptide and which is substantially free of other proteins produced by Eimeria parasites.
An immunogenic polypeptide which is the in vivo processing product of a polypeptide having the amino acid sequence (SEQ ID NO:1) and is capable of inducing an immune response in chickens against Eimeria parasites, which is substantially free of other proteins produced by Eimeria parasites, and which has an apparent molecular weight of 23 kilodaltons as measured by SDS-PAGE.
Dependencies are inferred from the claim text.