지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 79 - 88 (10page)
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초록· 키워드
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Many lines of evidence indicate that the increased activity of enzymes involved in phenolic compound biosynthesis and the subsequent accumulation of these compounds correlate with plant resistance to abiotic and biotic stresses. The production of anthocyanin pigment gene (PAP1) was previously identified using an activation tagging approach in Arabidopsis thaliana. A. thaliana PAP1-Dominant (pap1-D) mutant was generated by activation tagging. Throughout development, the pap1-D plant exhibited massive and widespread activation of genes encoding enzymes involved in phenylpropanoid natural product biosynthesis. Due to increased anthocyanin levels, pap1-D showed enhanced tolerance to salt, an important abiotic stress imposed on plants. In pap1-D plants, PAP1 transcript accumulation increased significantly in response to salt stress and abscisic acid. Enhanced anthocyanin levels induced by sucrose treatment increased the chance of survival of pap1-D and wild-type plants exposed to a high salt medium. Taken together, results of the present study indicate that genetic engineering of the flavonoid biosynthetic pathway can be used for successful improvement of plant survival in arid areas.
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