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Molecules 2016, 21(9), 1134; doi:10.3390/molecules21091134

Construction and Quality Analysis of Transgenic Rehmannia glutinosa Containing TMV and CMV Coat Protein

1
State Key Laboratory Breeding Base of Dao-Di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
2
State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
3
Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou 310003, China
4
National Key Laboratory of Protein Engineering and Plant Genetic Engineering, College of life science, Peking University, Beijing 100871, China
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 21 July 2016 / Revised: 23 August 2016 / Accepted: 24 August 2016 / Published: 27 August 2016
View Full-Text   |   Download PDF [6998 KB, uploaded 30 August 2016]   |  

Abstract

Plant viruses, especially tobacco mosaic virus (TMV) and cucumber mosaic virus (CMV) are serious threats to Rehmannia glutinosa which is a “top grade” herb in China. In the present study, TMV- and CMV-resistant Rehmannia glutinosa Libosch. plants were constructed by transforming the protein (CP) genes of TMV and CMV into Rehmannia glutinosa via a modified procedure of Agrobacterium tumefaciens-mediated transformation. Integration and expression of TMV CP and CMV CP transgenes in 2 lines, LBA-1 and LBA-2, were confirmed by PCR, Southern blot and RT-PCR. Both LBA-1 and LBA-2 were resistant to infection of homologous TMV and CMV strains. The quality of transgenic Rehmanniae Radix was evaluated based on fingerprint analysis and components quantitative analysis comparing with control root tubes. These results showed that chemical composition of transgenic Rehmanniae Radix were similar to non-transgenic ones, which demonstrated that the medical quality and biosafety of transgenic Rehmanniae Radix were equivalent to non-transgenic material when consumed as traditional Chinese medicinal (TCM). View Full-Text
Keywords: virus resistant; Rehmannia glutinosa; transgenic plant; medical quality; biosafety; TMV & CMV virus resistant; Rehmannia glutinosa; transgenic plant; medical quality; biosafety; TMV & CMV
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Teng, Z.; Shen, Y.; Li, J.; Lin, Z.; Chen, M.; Wang, M.; Li, M.; Dong, H.; Huang, L. Construction and Quality Analysis of Transgenic Rehmannia glutinosa Containing TMV and CMV Coat Protein. Molecules 2016, 21, 1134.

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