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1994 Fiscal Year Final Research Report Summary

Expression of foreign proteins in rice seeds with rice protein gene promoters.

Research Project

Project/Area Number 05660134
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 食品科学・栄養科学
Research InstitutionNagoya University

Principal Investigator

MATSUDA Tsukasa  Nagoya University, Department of Agriculture,, 農学部, 助教授 (20144131)

Project Period (FY) 1993 – 1994
Keywordsrice protein / transgenic rice plant / gene expression / lactoferrin / 形質転換イネ
Research Abstract

Fusion genes of rice protein gene promoter and GUS gene were constructed and introduced in rice protoplast by electroporation. Transformed rice plants were regenerated, and expression of the reporter GUS gene was assayd. The GUS activity was specifically detected in seeds of the transgenic rice plants. It was demonstrated that the gluterin gene promoter and the branching enzyme gene promoter were suitable for the expression of foreign genes in seeds of transgenic rice plants.
Milk lactoferrin was selected as a model protein to be expressed in seeds of transgenic rice plants, because lactoferrin is a protein in milk commonly consumed as a food and the protein and its N-terminal peptide have anti-bacterial activity. Oligonucleotides encoding the lactoferrin N-terminal peptide chemically synthesized, and double stranded DNA fragment was inserted in a plasmid pUC and E.coli was transformed with the plasmid. The cDNA encoding the lactoferrin was thus obtained. The cDNA was ligated with the above described promoter DNA fragments and were introduced in the rice protoplast. The trangenic rice plants are now regenerating.

  • Research Products

    (7 results)

All Other

All Publications (7 results)

  • [Publications] Matsuda,T.and Nakamura,R.: "Molecular structure and immunological properties of food allerges." Trends Food Sci.Tech.4. 289-293 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 中村良、松田幹: "低アレルゲン米の分子育種" バイオサイエンスとバイオインダストリー.

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Adachi,T.Matsuda,T.Nakamura,R.,Alvarez A.M.and Garcia V.V.: "Allergenic proteins in rice." Japan Scientific Society Press, 3-15 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Matsuda,T.,Kato,H.,Takeuchi,S.,Nakamura,R.,Rodriguez,F.M.and Mendoza,E.M.T: "Postharvest biochemistry of plant food-materials in the tropics." Japan Scientific Society Press, 17-24 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Matsuda, T.and Nakamura, R.: "Molecular structure and immunological properties of food allergens." Trends Food Sci.Tech.4. 289-293 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Adachi, T., Matsuda, T., Nakamura, R., Alvarez A.M.and Garcia, V.V.: "Allergenic proteins in rice." Japan Scientific Society Press. 3-15 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Matsuda, T., Kato, H., Takeuchi, S., Nakamura, R., Rodriguez, F.M.and Mendoza, E.M.T.: "Postharvest biochemistry of plant food-materials in the tropics." Japan Scientific Society Press. 17-24 (1994)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1996-04-15  

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