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Preliminary studies on differential defense responses induced during plant communication 被引量:4
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作者 JinYingPENG ZhongHaiLI +4 位作者 HuiXIANG JianHuaHUANG shihaijia XueXiaMIAO YongPingHUANG 《Cell Research》 SCIE CAS CSCD 2005年第3期187-192,共6页
We compared the expression patterns of three representative genes in undamaged tomato and tobacco plants in response to exposure to either tomato or tobacco fed on by Helicoverpa armigera (cotton bollworm). When tomat... We compared the expression patterns of three representative genes in undamaged tomato and tobacco plants in response to exposure to either tomato or tobacco fed on by Helicoverpa armigera (cotton bollworm). When tomato and tobacco, two species of one family, were incubated in the chambers with the tomato plants damaged by the cotton bollworm, the expression of the PR1, BGL2, and PAL genes was up-regulated in leaves of both plants. However, the levels of gene expression were significantly higher in the tomato than that in the tobacco. In addition, the activities of enzymes, peroxidase, polyphenol oxidase, and lipoxygenase were found to be higher in the tomato than those in the tobacco. Similar results were obtained when the damaged plants were replaced by the tobacco. 展开更多
关键词 plant-plant communication tomato (Lycopersicon esculentum) tobacco (Nicotiana tabacum) cotton boll- worm (Helicoverpa armigera) inducible defenses.
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