期刊
HORTICULTURE ENVIRONMENT AND BIOTECHNOLOGY
卷 52, 期 5, 页码 511-515出版社
KOREAN SOC HORTICULTURAL SCIENCE
DOI: 10.1007/s13580-011-0007-x
关键词
aquatic plant; porcine diarrhea; spike protein; transformation; vaccine
类别
Duckweeds are small, floating aquatic plants with a number of useful characteristics, including edibility, fast-growing, and a clonal proliferation. Duckweed is also fed to animals as a diet complement because of its high nutritional value. Porcine epidemic diarrhea virus (PEDV) is a major causative agent of fatal diarrhea in piglets and is a serious problem in the hog-raising industry. In this study, we assessed the feasibility of producing a protective antigen for the PEDV spike protein 1 using duckweed, Lemna minor. Stably transformed Lemna were obtained by co-cultivation with A. tumefaciens EHA105 harboring the PEDV spike protein gene. Transgene integration and expression of the PEDV spike protein 1 gene were confirmed by genomic PCR and RT-PCR and western blot analysis of transgenic Lemna, respectively. This is the first report of the expression of a vaccine antigen against an animal infectious disease in duckweed.
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