Identification and characterization of a novel avian pathogenic E. coli (APEC) fimbrial adhesin

摘要

This invention is directed to an isolated nucleic acid or an isolated polypeptide encoded by said nucleic acid for use in treatment or diagnosis of infectious diseases, wherein the nucleic acid comprises or consists of: - the nucleic acid sequence of the yqi gene with SEQ ID NO. 1 or the reverse complement thereof; - a nucleic acid sequence with at least 95% sequence identity to SEQ ID NO. 1 or a reverse complement thereof; - a nucleic acid sequence hybridizing under stringent conditions to the nucleic acid sequence with SEQ ID NO. 1 or to its reverse complement.