The Government of The U.S.A.; as represented by the Secretary. Dept. of Health and Human Services
发明人:
Dennis J. KOPECKO,De-Qi XU
申请号:
US14145104
公开号:
US20140120134A1
申请日:
2013.12.31
申请国别(地区):
US
年份:
2014
代理人:
摘要:
The invention relates to Salmonella typhi Ty21a comprising core-linked Shigella dysenteriae serotype 1 O-specific polysaccharide (O-Ps) and DNA encoding O antigen biosynthesis, said DNA selected from the group consisting of: a) the DNA sequence set out in any one of SEQ ID NOs: 1 and 2 and species homologs thereof; b) DNA encoding Shigella dysenteriae serotype 1 polypeptides encoded by any one of SEQ ID NOs: 1 and 2, and species homologs thereof; and c) DNA encoding a O antigen biosynthesis gene product that hybridizes under moderately stringent conditions to the DNA of (a) or (b); and related sequences, compositions of matter, vaccines, methods of using, and methods of making.