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蓖麻蚕血液胰凝乳蛋白酶抑制剂种类的调查
引用本文:赵秀振,赵巧玲,唐顺明,沈兴家,徐安英,张国政,郭锡杰.蓖麻蚕血液胰凝乳蛋白酶抑制剂种类的调查[J].蚕业科学,2007,33(1):133-137.
作者姓名:赵秀振  赵巧玲  唐顺明  沈兴家  徐安英  张国政  郭锡杰
作者单位:中国农业科学院蚕业研究所,农业部家蚕生物技术重点开放实验室,镇江,212018;中国农业科学院蚕业研究所,农业部家蚕生物技术重点开放实验室,镇江,212018;江苏科技大学,镇江,212003
基金项目:国家重点基础研究发展计划“973”项目(编号2005CB-121000),江苏省自然科学基金前期预研重大项目(编号BK2004206),江苏省高技术研究计划(农业)(编号BG2005302)
摘    要:胰凝乳蛋白酶抑制剂(CI)为昆虫体内重要的调控因子,是昆虫体内免疫系统的重要组成部分。通过非变性聚丙烯酰胺凝胶电泳和活性染色方法,对20个蓖麻蚕品种血液CI的种类进行了调查。在碱性聚丙烯酰胺凝胶电泳中检测到7种CI,定名为E-CI1、E-CI2、E-CI3、E-CI4、E-CI5、E-CI6、E-CI7;在酸性聚丙烯酰胺凝胶电泳中检测到2种CI,定名为E-CIa、E-CIb。对同一蓖麻蚕品种不同发育时期血液CI的调查显示,CI 5的活性有随5龄期经过而递增的趋势。

关 键 词:蓖麻蚕  血液  胰凝乳蛋白酶抑制剂  非变性聚丙烯酰胺凝胶电泳
文章编号:0257-4799(2007)01-0133-05
修稿时间:2006-09-05

Investigation of Chymotrypsin Inhibitor Types From Haemolymph of the Eri Silkworm, Philosamia cynthia ricini
ZHAO Xiu-Zhen,ZHAO Qiao-Ling,TANG Shun-Ming,SHEN Xing-Jia,XU An-Ying,ZHANG Guo-Zheng,GUO Xi-Jie.Investigation of Chymotrypsin Inhibitor Types From Haemolymph of the Eri Silkworm, Philosamia cynthia ricini[J].Acta Sericologica Sinica,2007,33(1):133-137.
Authors:ZHAO Xiu-Zhen  ZHAO Qiao-Ling  TANG Shun-Ming  SHEN Xing-Jia  XU An-Ying  ZHANG Guo-Zheng  GUO Xi-Jie
Institution:1 The Key Laboratory of Silkworm Biotechnology, Ministry of Agriculture, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang Jiangsu 212018, China; 2 Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212003, China
Abstract:Chymotrypsin inhibitors(CIs) in insect haemolymph play a major function of proteinase controlling which is essential to life,and they are also important factors in innate immune system.By using acid and alkaline Native-polyacrylamide gel electrophoresis followed by activity staining,the polymorphism of CIs in twenty strains of eri silkworm,Philosamia cynthia ricini,were investigated.Seven types of CIs,designated E-CI1,E-CI2,E-CI3,E-CI4,E-CI5,E-CI6 and E-CI7 by alkaline Native-PAGE,and two types of CIs,designated E-CIa and E-CIb by acid Native-PAGE were detected,respectively.Investigation of CIs activity of different developmental stages from the same strain revealed that CIs gradually increase along with the development of larvae in the fifth instar.
Keywords:Philosamia cynthia ricini  Hemolymph  Chymotrypsin inhibitor  Native-PACE
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