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PAL ACTIVITY AND TMV INHIBITION ABILITY IN TRANSFORMED ANTISENSE mapk TOBACCO INDUCED BY OLIGOCHITOSAN

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF APPLIED & ENVIRONMENTAL BIOLOGY
Issue:
6
DOI:
10.3321/j.issn:1006-687X.2005.06.003
Key Word:
反义mapk;壳寡糖;诱导抗性;PAL;TMV

Abstract: 壳寡糖具有诱导植物对病原物防御反应的作用,而PAL活性的升高通常被认为是发生抗性反应的标志之一.本文以mapk基因受到反义抑制的转基因枯斑三生烟草为试材,比较了壳寡糖诱导后转基因型和野生型烟草的PAL活性变化及对TMV抗性的变化.由实验结果初步推测,在壳寡糖诱导的植物抗性信号通路中,mapk可能为PAL的一个重要的上游基因,同时mapk在烟草抗TMV信号转导中亦为一个重要组分.图4表2参13

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