期刊
JOURNAL OF VETERINARY MEDICAL SCIENCE
卷 71, 期 7, 页码 995-1000出版社
JAPAN SOC VET SCI
DOI: 10.1292/jvms.71.995
关键词
Ascaris suum 14-kDa surface antigen (As14); cholera toxin B subunit (CTB); edible vaccine; glutelin-B promoter; rice seed
资金
- Ministry of Education, Culture, Sports, Science and Technology [16380198, 20380167, 19658113]
- Bio-oriented technology Research Advancement Institution (BRAIN)
- Grants-in-Aid for Scientific Research [19658113, 16380198, 20380167] Funding Source: KAKEN
Plants are attractive vaccine production and oral delivery systems. Cereals are excellent candidate for edible vaccines, which can express and store high levels of proteins for extended periods of time without degradation. In this study, we produced a 14-kDa protective surface antigen of Ascaris suum L3 larvae and its fusion chimera with a mucosal carrier molecule cholera toxin B subunit (CTB) in rice (Oryza saliva L.) under the control of the endosperm-specific glutelin-B promoter. We found that the recombinant protein expression levels reached 1.5 mu g per seed, a comparably high amount as compared to previously reported transgenic rice expression experiments. Potentials of transgenic rice plants as a Source of oral vaccines against swine roundworm are discussed.
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