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Analysis of Proteins Interacted with OIPK by Yeast Two-hybrid Method

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF APPLIED & ENVIRONMENTAL BIOLOGY
Issue:
4
DOI:
10.3724/SP.J.1145.2010.00474
Key Word:
酵母双杂交;Ser/Thr蛋白激酶;植物抗病性;壳寡糖;OIPK

Abstract: 前期研究发现烟草中一个壳寡糖诱导的Ser/Thr蛋白激酶(Oligochitosan induced protein kinase,OIPK)在壳寡糖诱导的烟草抗性反应中起着重要作用.目前在烟草中发现OIPK基因的两个选择性剪接体:OIPKL和OIPKS,其中OIPKL是3个选择性剪接体中序列最长的.为进一步研究OIPK在壳寡糖诱导植物抗性中起的作用,本研究采用酵母双杂交方法,以pGBKT7-OIPKL为诱饵质粒,筛选构建在pACT2载体上的烟草cDNA文库,寻找OIPKL的相互作用蛋白.结果表明OIPKL蛋白在酵母中可以和烟草的S-腺苷甲硫氨酸合成酶、泛素激活酶E1、丙酮酸激酶、过氧化物酶相互作用.实验结果为研究壳寡糖诱导抗性机理提供了一定依据.

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