New Polypeptides from Haemophilus paragalinarum and Methods for Making the Same

摘要

A novel polypeptide from Haemophilus paragallinarum useful for prevention of avian infectious coryza is provided. A novel polypeptide from Haemophilus paragallinarum which induces production of HI antibody and prevents infection and onset of avian infectious coryza, a gene coding for said polypeptide, a recombinant vector for expression of said gene, a host transformed with said vector, a process for preparing said polypeptide wherein said polypeptide is produced by said host, a vaccine for avian infectious coryza comprising as an active ingredient said polypeptide, a monoclonal antibody obtained by using said polypeptide as an immunogen and a diagnostic agent and a therapeutic agent for avian infectious coryza utilizing said peptide and said antibody.