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当前位置: 首页 > 文章 > 寄生对越冬代菜粉蝶蛹血淋巴中蛋白质和糖类代谢的影响 浙江大学学报(农业与生命科学版) 2000,26 (6)
Position: Home > Articles > Effects of parasitism by Pteromalus puparum on hemolymph protein and carbohydrate metabolism in overwintering pupae of Pieris rapae Journal of Zhejiang University (Agriculture and Life Sciences) 2000,26 (6)

寄生对越冬代菜粉蝶蛹血淋巴中蛋白质和糖类代谢的影响

作  者：
吕慧平;蔡峻;叶恭银;徐红星;胡萃
单  位：
浙江省农业科学院植物保护研究所;浙江大学植物保护系
关键词：
菜粉蝶;蝶蛹金小蜂;血淋巴;可溶性蛋白;总糖;海藻糖;还原糖;海藻糖酶
摘  要：
越冬代菜粉蝶 Pieris rapae蛹被蝶蛹金小蜂 Pteromalus puparum寄生后 ,其血淋巴中可溶性蛋白含量在寄生后 0 .5～ 2 d逐日上升 ,此后则逐日下降 .雌雄寄生蛹血淋巴中可溶性蛋白含量在寄生后 1～ 4 d显著高于同期未寄生蛹 ,寄生后 5d则略低于同期未寄生蛹 ;寄生蛹血淋巴中总糖和海藻糖含量的变化趋势与可溶性蛋白相同 ,也是寄生后 0 .5～ 2 d升高 ,寄生后 3～ 5d降低 .寄生后 0 .5～ 2 d,雌雄寄生蛹血淋巴中总糖和海藻糖含量显著高于同期未寄生蛹 ,寄生后 3～ 5d则恰好相反 .寄生蛹血淋巴中还原糖含量在寄生后 0 .5～ 3d日渐升高 ,寄生后 4 d维持在较高水平 ,而寄生后 5d则急剧下降 .越冬代菜粉蝶蛹血淋巴中海藻糖酶无活力 ,而雌雄寄生蛹血淋巴中海藻糖酶的活力在寄生后 0 .5d开始显现 ,此后逐日升高 ,至寄生后 5d已达 4 3.2 4～ 4 4 .2 7μg葡萄糖 .mg-1蛋白 .min-1
译  名：
Effects of parasitism by Pteromalus puparum on hemolymph protein and carbohydrate metabolism in overwintering pupae of Pieris rapae
作  者：
Lü Hui ping 1, CAI Jun 1,YE Gong yin 1,XU Hong xing 2,HU Cui 1(1 Dept of Plant Prot ,Zhejiang University,Hangzhou 310029,China;2 Inst of Plant Prot ,Zhejiang Acad of Agric Sciences,Hangzhou 310021, China) [WT5”HZ][WT5”BZ] Jour
关键词：
Pieris rapae; Pteromalus puparum ; hemolymph; soluble protein; total sugar; trehalose; reducing sugar; trehalas\
摘  要：
The effect of parasitism by Pteromalus puparum (Hymenoptera: Pteromalidae) on trehalase activity and contents of soluble protein, total sugar, trehalose and reducing sugar in the hemolymph of overwintering pupae of Pieris rapae was investigated When overwintering Pieris rapae pupae were parasitized by Pteromalus puparum , the contents of soluble protein, total sugar and trehalose in the host hemolymph were all elevated from 0 5th day to second day and declined thereafter The hemolymph soluble protein level of parasitized pupae was evidently higher than that of unparasitized ones during 1 to 4 days after parasitization As for the total sugar and trehalose levels in the hemolymph of parasitized pupae, they were significantly higher than those in unparasitized pupae from the 0 5th day to second day, but the case was just the reverse from third day to 5th day Furthermore, the hemolymph of parasitized pupae had an evidently higher level of reducing sugar than that of unparasitized ones from the 0 5th to 4th day In addition, parasitism by Pteromalus puparum caused a conspicuous increase of trehalase activity in the host hemolymph The trehalase performed no activity in the hemolymph of unparasitized overwintering pupae, while the trehalase activity in the hemolymph of parasitized ones reached 43 24 44 27 μg glucose·mg -1 protein·min -1 the 5th day after parasitization

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