분자육종을 통한 조건불리지역 친환경 산업용 고구마 개발 전략
Strategies of development of environmentally friendly industrial sweetpotato on marginal lands by molecular breeding
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초록
향후 예상되는 세계 식량대란에 대비하기 위하여 생명 공학기술을 이용한 ‘조건 불리지역에 적합한 친환경 산 업용 고구마 개발’에 대한 전략을 기술하였다. 저자들은 조건 불리지역에 잘 자라면서 바이오에탄올, 기능성 가 축사료, 항산화물질 등 각종 산업소재를 한 품종에서 모 두 생산하는 고구마 개발을 목표로 하고 있다. 특히 환경 위해성과 인체위해성을 극복할 수 있는 intragenic vector 를 이용하여 국내외 조건 불리지역에서 고부가가치 산업 소재를 생산하는 고구마를 개발하면 21세기 인류가 당면 한 환경문제, 식량문제, 에너지문제, 보건문제 해결에 크 게 할 것으로 기대된다. 이를 위해서는 국내외 연구자들 과 협력하여 해당지역의 적합한 유전자원을 선발하여 첨 단 생명공학기술을 이용하여 산업용 고구마를 개발할 필 요가 있다.
Abstract
The food self-support rate on the basis of cereals in Korea is approximately 27%, which will threaten the national food security. The dramatic increase in population accompanied by rapid industrialization in developing countries has caused imbalances in the supply of food and energy. To cope with these global crises over food and energy supplies as well as environmental problems, it is urgently required to develop new environmentally friendly industrial crop varieties to be grown on marginal lands including desertification areas for sustainable development. Sweetpotato (Ipomoea batatas (L.) Lam.) ranks seventh in annual production among food crops in the world. Its wide adaptability on marginal lands and rich nutritional content provide a high potential for preventing malnutrition and enhancing food security in the developing countries. In addition, sweetpotato can be developed as a bioreactor to produce valuable industrial materials including bio-ethanol, functional feed and antioxidants by molecular breeding. In this respect, we focus on the molecular breeding of sweetpotato with multi-function on marginal lands. The strategies for development of environmentally friendly industrial sweetpotato will be introduced and discussed.
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