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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 158 - 169 (12page)
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초록· 키워드
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Beta-carotene, a defense chemical, is synthesized by the carotenoid biosynthesis pathway. In the present study, a transgenic soybean line, with a single copy insertion of phytoene synthase and carotene desaturase genes, having high beta-carotene content was studied for its response to systemically inoculated Soybean mosaic virus (SMV). Beta-carotene-enhanced transgenic soybean showed similar leaf and seed symptoms, viral RNA, and protein expression compared to the non-genetically modified (GM) ‘Kwangan’ control. Total antioxidant contents in the non-GM ‘Kwangan’ line were increased after SMV attack in both leaves and seeds; however, the antioxidant contents in the beta-carotene-enhanced soybean line have no significant changes. In addition, both GM and non-GM soybean were detected increased lipid hydroperoxide concentrations in leaves and seeds after SMV infection, even though they did not reach a statistical significant level. Abscisic acid (ABA) levels in beta-carotene-enhanced transgenic soybean seeds was determined 35-fold increase after SMV infections caused a lower seed germination rate and a higher SMV transmission rate to subsequent generations, compared to those of non-GM ‘Kwangan’. Thus, we concluded that the additional production of beta-carotene did not confer resistance of beta-carotene-enhanced transgenic soybean to SMV infections, but caused mass accumulations of ABA in seeds.
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참고문헌 (24)
참고문헌 신청
Alazem M / 2014 / The abscisic acid pathway has multifaceted effects on the accumulation of bamboo mosaic virus / Mol. Plant Microbe Interact 27:177~189
Burton GW / 1984 / Beta-carotene : an unusual type of lipid antioxidant / Science 224:569~573
Busch M / 2002 / Functional analysis of the early steps of carotenoid biosynthesis in tobacco / Plant Physiol 128:439~453
Davison PA / 2002 / Overexpression of b-carotene hydroxylase enhances stress tolerance in Arabidopsis / Nature 11:203~206
Delmas-Beauvieux MC / 1996 / The enzymatic antioxidant system in blood and glutathione status in human immunodeficiency virus (HIV)-infected patients: effects of supplementation with selenium or beta-carotene / Am. J. Clin. Nutr 64:101~107
Burton GW / 1984 / Beta-carotene : an unusual type of lipid antioxidant / Science 224:569~573
Busch M / 2002 / Functional analysis of the early steps of carotenoid biosynthesis in tobacco / Plant Physiol 128:439~453
Davison PA / 2002 / Overexpression of b-carotene hydroxylase enhances stress tolerance in Arabidopsis / Nature 11:203~206
Delmas-Beauvieux MC / 1996 / The enzymatic antioxidant system in blood and glutathione status in human immunodeficiency virus (HIV)-infected patients: effects of supplementation with selenium or beta-carotene / Am. J. Clin. Nutr 64:101~107
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