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- 저자 : Kaohua Liu (검색결과 1 건)
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Gui-Fen Zhou,Li-Qin Li,Jiemiao Lu,Jing Li,Chong Yao,Peng Sun,Kaohua Liu,Yan Dong,Luping Qin,Xiao-Dong Qian 한국원예학회 2020 Horticulture, Environment, and Biotechnology Vol.61 No.3
The quality of commercial saff ron largely depends on apocarotenoid levels. Whether they are aff ected by diff erent fl owercultivation regimes remains unknown. In present study, apocarotenoid levels and the expression profi les of 12 genes relatedto apocarotenoid biosynthesis between fi eld- and indoor-cultivated Crocus sativus L. were analyzed during stigma development. Under both cultivation regimes, apocarotenoid accumulation and gene expression showed similar profi les, fi rstsharply increasing and then gradually decreasing with stigma development, which suggested the coordinated function ofgene expression and apocarotenoid accumulation. However, the rate of increase/decrease varied widely between two blossomregimes at diff erent developmental stages. Based on correlation analysis, βCH1 and ZDS seemed to play a more crucial rolein apocarotenoid accumulation under both cultivation regimes. At anthesis, the total apocarotenoid level in saff ron cultivatedin the fi eld was higher than that cultivated indoors. This may be due to lower gene expression levels in the apocarotenoidpathway, especially βCH1 , ZDS , and CCD2 , and higher CCD4a and NCED expression in the competitive pathway in saff roncultivated indoors than that in the fi eld, which indicated higher conversion in apocarotenoid biosynthesis fl ux from crocinsand picrocrocin synthesis to β-ionone and the ABA biosynthetic branch in saff ron cultivated indoors. These results providevaluable information for modifying planting mode to enhance saff ron quality.
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