Expression of a defense-related 3-hydroxy-3-methylglutaryl CoA reductase gene in response to parasitization by Orobanche spp.
Expression of a defense-related 3-hydroxy-3-methylglutaryl CoA reductase gene in response to parasitization by Orobanche spp.
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防御相关 3-羟基-3-甲基戊二酰辅酶 A 还原酶基因响应列当属寄生的表达。
DOI：
10.1094/mpmi.1998.11.6.530
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发表时间：
1998
期刊：
影响因子：
--
通讯作者：
Cramer,CL
中科院分区：
文献类型：
--
作者：
Westwood,JH;Yu,X;Foy,CL;Cramer,CL
Orobanchespp. are angiosperms that live parasitically on the roots of other plants, and are capable of significantly reducing the yield and quality of their crop hosts. We have demonstrated that parasitization byOrobancheinduces expression ofhmg2,a defense-related isogene of 3-hydroxy-3-methylglutaryl CoA reductase (HMGR) in tobacco. Transgenic tobacco plants expressing a construct containing 2.3 kb of the tomatohmg2gene promoter fused to the β-glucuronidase (GUS) reporter gene were parasitized byO. aegyptiaca. Expression of thehmg2:GUS construct was detected within 1 day following penetration of the host root by theO. aegyptiacaradicle and was localized to the region immediately around the site of parasite invasion. This expression continued and intensified over the course ofO. aegyptiacadevelopment. In addition, thehmg2:GUS expression was induced by secondary parasitization, where secondary roots ofO. aegyptiacacontacted the host root at a distance from the primary attachment site. This GUS expression was specific to plants containing thehmg2:GUS construct, and was not observed in control plants transformed with a construct of the cauliflower mosaic virus 35S promoter fused to the GUS gene. These results indicate thatOrobancheparasitization initiates rapid and sustained induction of a defense-related gene in the host root.
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DOI：
10.1016/0167-4838(86)90140-8
发表时间：
1986
期刊：
Biochimica et biophysica acta
影响因子：
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作者：
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作者：
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影响因子：
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作者：
J. Corbin;Sugden Ph;L. West;D. Flockhart;T. Lincoln;D. McCarthy
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D. McCarthy
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DOI：
--
发表时间：
1983
期刊：
影响因子：
--
作者：
E. Reimann;R. A. Beham
通讯作者：
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DOI：
10.1016/0167-4889(87)90144-3
发表时间：
1987
期刊：
Biochimica et biophysica acta
影响因子：
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作者：
M. Hegazy;K. K. Schlender;E. Reimann
通讯作者：
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