종자 휴면과 수발아성에 대한 양적형질 (QTL) 유전자 연구 동향

• 영문명: Quantitative Trait Loci (QTL) Genes Related to Seed Dormancy and Preharvest Sprouting
• 발행기관: 한국육종학회
• 저자명: 허선미(Sun Mi Huh) 한혜주(Hay Ju Han) 김범기(Beom-Gi Kim) 권택윤(Taek Yun Kwon) 이강섭(Gang Sub Lee) 윤인선(In Sun Yoon)
• 간행물 정보: 『한국육종학회지』Vol.48 No.1, 4~10쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2016.03.30

영문 초록

Seed dormancy is an important adaptive mechanism to protect seeds under the unfavorable environments. Unlike to wild type species, the seed dormancy trait of cultivated crops has been weakened by breeding programs during the domestication period. Weak seed dormancy often causes preharvest sprouting (PHS) problem in many cereal crops that result in significant economic loss. The seed dormancy is a quantitative trait loci (QTL) controlled by multiple genetic and environmental factors. So far, many QTLs for seed dormancy have been identified from rice and wheat as well as in the model plant Arabidopsis. Unveiling of QTL genes and complex mechanisms underlying seed dormancy is accelerated by the rapid progress of crop genomics. In the present study, we reviewed current status of research progress on the seed dormancy QTLs and correlated genes in Arabidopsis and cereal crops.

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키워드

Seed dormancy Preharvest sprouting (PHS) Quantitative trait loci (QTL) Cereal crops Arabidopsis