Molecular cloning and characterization of the trichome specific chrysanthemyl diphosphate/chrysanthemol synthase promoter from Tanacetum cinerariifolium

Molecular cloning and characterization of the trichome specific chrysanthemyl diphosphate/chrysanthemol synthase promoter from Tanacetum cinerariifolium
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灰叶菊毛状体特异性菊基二磷酸/菊酚合酶启动子的分子克隆和表征

DOI:
10.1016/j.scienta.2015.01.032
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发表时间:
2015-03
影响因子:
4.3
通讯作者:
Caiyun Wang
Caiyun Wang
中科院分区:
农林科学2区
文献类型:
--
作者:
Shirin Sultana;Hao Hu;Liping Gao;Jing Mao;Jing Luo;Maarten A. Jongsma;Caiyun Wang

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天然除虫菊素在除虫菊(Tanacetum cinerariifolium)的花瘦果中积累到高浓度。它们是从干花中提取的,被广泛用作天然杀虫剂。除虫菊酯合成酶(CHS)是除虫菊酯生物合成的第一个关键酶。本工作从除虫菊基因组DNA中克隆了一个1128 bp的TcCHS启动子片段。该序列含有顺式元件,预测响应于不同的激素,光,和环境应力。将该启动子与报告基因绿色荧光蛋白(GFP)和β-葡萄糖醛酸酶(GUS)融合,分别转化菊花(Chrysanthemum morifolium'1581')和烟草(Nicotiana tabacum)。花卉菊花‘1581’的GFP荧光和烟草的GUS染色表明,TcCHS启动子只在两种植物的腺体分泌毛(GSTs)中表达。这些发现将支持对影响除虫菊酯积累的因素的研究,并可用于植物的毛状体特异性代谢工程,以确保对植物生长和发育的不利影响最小。
Natural pyrethrins accumulate to high concentrations in the flower achenes of pyrethrum (Tanacetum cinerariifolium). They are extracted from dried flowers and widely used as a natural pesticide. Chrysanthemol synthase (CHS) is the first key enzyme in the biosynthesis of pyrethrins. In this work, a 1128 bpTcCHSpromoter fragment was cloned from pyrethrum genomic DNA. The sequence containedcis-elements predicted to be responsive to different hormones, light, and environmental stresses. To characterize the promoter it was fused to the reporter genes green fluorescent protein (GFP) and β-glucuronidase (GUS), and respectively transformed into florist's chrysanthemum (Chrysanthemum morifolium‘1581’) and tobacco (Nicotiana tabacum). GFP fluorescence in florist's chrysanthemum ‘1581’and GUS staining of tobacco showed that theTcCHSpromoter was exclusively expressed in the glandular secretory trichomes (GSTs) of both plant species. The findings will support research on factors influencing the accumulation of pyrethrins, and can be used for trichome-specific metabolic engineering of plants to ensure minimal adverse effects on plant growth and development.
DOI: 10.1093/jxb/erf054
发表时间: 2002-09
影响因子: 6.9
作者:
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发表时间: 2004-05-01
期刊: PLANT PHYSIOLOGY
影响因子: 7.4
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发表时间: 2006-01-01
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发表时间: 1987-12
期刊: The EMBO Journal
影响因子: --
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DOI: --
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