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RISS 인기검색어
- 검색키워드
- 저자 : Barnabas Jenes (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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Oszvald, Maria,Kang, Tae-Jin,Jenes, Barnabas,Kim, Tae-Geum,Tamas, Laszlo,Yang, Moon-Sik Korean Society for Biotechnology and Bioengineerin 2007 Biotechnology and Bioprocess Engineering Vol.12 No.6
Escherichia coli heat-labile enterotoxin B subunit (LTB) can be used as a potent mucosal immunogen and immunoadjuvant for co-administered antigens. The synthetic LTB (sLTB) was modified based on plant optimized codon usage, and fused to a translation signal (the Kozak sequence) in the front of start codon and the ER retention signal, SEKDEL, in the c-terminus of sLTB gene. The sLTB and the wild-type LTB gene (wLTB) were located into plant expression vectors under the control of the wheat Bx17 HMW (High Molecular Weight) glutenin endosperm-specific promoter containing the first intron of the rice actin1 gene. Both genes were introduced into rice cells (Oryza sativa L.) via particle bombardment mediated transformation. The integration of LTB gene into the chromosome of transgenic plants was confirmed by genomic DNA PCR amplification methods. The transcription and translation of the LTB genes were demonstrated by reverse-transcription PCR (RT-PCR) and Western blot analyses, respectively. The LTB proteins produced in the seed tissues of transgenic rice showed binding affinity for $G_{M1}$ ganglioside, a receptor for biologically active LTB, suggesting the plant-produced LTB are capable of forming active pentamers. The expression level of sLTB was higher than wLTB in transgenic rice plants and was up to 2.7% of the total soluble proteins of the seed tissues.
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양문식,김태금,Maria Oszvald,Tae-Jin Kang,Barnabas Jenes,Laszlo Tamas 한국생물공학회 2007 Biotechnology and Bioprocess Engineering Vol.12 No.6
Escherichia coli heat-labile enterotoxin B subunit (LTB) can be used as a potent mucosal immunogen and immunoadjuvant for co-administered antigens. The synthetic LTB (sLTB) was modified based on plant optimized codon usage, and fused to a translation signal (the Kozak sequence) in the front of start codon and the ER retention signal, SEKDEL, in the c-terminus of sLTB gene. The sLTB and the wild-type LTB gene (wLTB) were located into plant expression vectors under the control of the wheat Bx17 HMW (High Molecular Weight) glutenin endosperm-specific promoter containing the first intron of the rice actin1 gene. Both genes were introduced into rice cells (Oryza sativa L.) via particle bombardment mediated transformation. The integration of LTB gene into the chromosome of transgenic plants was confirmed by genomic DNA PCR amplification methods. The transcription and translation of the LTB genes were demonstrated by reverse-transcription PCR (RT-PCR) and Western blot analyses, respectively. The LTB proteins produced in the seed tissues of transgenic rice showed binding affinity for GM1 ganglioside, a receptor for biologically active LTB, suggesting the plant-produced LTB are capable of forming active pentamers. The expression level of sLTB was higher than wLTB in transgenic rice plants and was up to 2.7% of the total soluble proteins of the seed tissues.
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