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The Allergy Assessments of Insect-resistant Agb0101 Rice

해충저항성 Agb0101 벼 알레르기 유발 가능성 평가 연구

  • Lee, Simyung (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Park, Sooyoun (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Yeo, Yunsoo (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Cho, Hyunsuk (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Kwon, Sunjong (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Oh, Sungduk (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Oh, Sunwoo (Division of Biosafety, Department of Agricultural Biotechnology, National academy of Agricultural Science, Rural development Administration) ;
  • Kim, Jaekwang (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Park, Soon Ki (School of Applied Biosciences, Kyungpook National University)
  • 이시명 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 박수윤 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 여윤수 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 조현석 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 권순종 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 오성덕 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 오선우 (농촌진흥청 국립농업과학원 농업생명자원부 생물안전성과) ;
  • 김재광 (국립인천대학교 생명과학기술대학) ;
  • 박순기 (경북대학교 응용생명과학부)
  • Received : 2014.10.08
  • Accepted : 2015.01.19
  • Published : 2015.03.31

Abstract

Genetically modified crops are becoming an increasingly important feature of the agricultural landscapes. Specially, insect-resistant GM crops are the most fast growing traits in the world. We developed Insect-resistant Agb0101 rice using the cry1ac1 gene in order to support the food safety assessment of insect-resistant Agb0101 rice containing modified Cry1Ac1 (mCry1Ac1) protein. The novel protein introduced into the genetically modified crops need to be evaluated for the potential allergenecity before their introduction into the food chain to address the safety concerns of consumers for commercialization. We performed assessment for allergy. The mCry1Ac1 protein does not possess the characteristics associated with food allergens, and no posttranslational change. The mCry1Ac1 protein can be rapidly degraded in gastric and intestinal fluids and heat treatment at $100^{\circ}C$. In conclusion, there is a reasonable certainty of no harm resulting from the inclusion of the mCry1Ac1 protein in human food or animal feed.

유전자 변형작물은 현재 농업에서 중요성을 인정받고 있으며, 특히 해충저항성 GM 작물은 가장 빠르게 성장하고 있는 특성이다, 농촌진흥청은 이런 해충저항성 특성을 이용한 해충 저항성 벼 Agb0101을 개발하고, 이에 대한 안전성을 평가하고자 하였다. 상업화를 목적으로 할 때, GM 작물에 새로운 단백질이 도입되면 시장에 공급되기 전에 잠재적 알레르기 평가는 매우 중요한 요소이다. 해충저항성 벼 Agb0101에 도입된 mCry1Ac1 단백질은 전체적으로 기존에 알려진 알레르기 유발원과 비슷한 특성을 보이지 않았다, 발현 후 변이로 인한 당화는 일어나지 않았으며, 인공 소화액 실험에서 5초 이내에 분해 됨을 확인 하였고, 열에 대해서도 불안정하여 $100^{\circ}C$ 환경에서 10분 이내에 분해됨을 확인 하였다. 이상의 결과로 볼 때, 해충저항성 벼 Agb0101은 식품 또는 사료로서 알레르기를 유발하지 않는 것으로 생각된다.

Keywords

Acknowledgement

Supported by : 농촌진흥청 국립농업과학원

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