家蚕感染蛹虫草后的生理生化变化  

Physiological and biochemical changes of the silkworm, Bombyx mori infected by Cordyceps militaris

作　　者：张军[1] 宋敦伦[1] 陈建新[1] 

机构地区：[1]中国农业大学昆虫学系,北京100094

出　　处：《昆虫学报》2003年第6期674-678,共5页Acta Entomologica Sinica

摘　　要：蛹虫草分生孢子侵染 5龄家蚕Bombyxmori后 ,家蚕血淋巴中总糖、海藻糖、蛋白质和甘油酯含量均有不同程度的下降 ,其中甘油酯含量下降最为明显。海藻糖酶活性在侵染初期也明显降低。接种后家蚕体内的保护酶超氧化物歧化酶、过氧化物酶和过氧化氢酶活性也有较大变化 ,其中超氧化物歧化酶活性上升最为明显 ,在 4日内由 4 4 1 84 1U mL升至 6 0 1 2 5 5U mL。When the 5th instar larvae of the silkworm, Bombyx mori were infected by Cordyceps militaris conidiophore, the content of haemolymph carbohydrates, trehalose, protein and glyceride differently decreased, and the decrease of haemolymph glyceride was most obvious. The activity of haemolymph trehalase also decreased in infected silkworm. The activity of haemolymph SOD, POD and CAT were changed after the silkworm was infected. The activity of SOD increased most significantly in four days: from 441 841 U/mL to 601 255 U/mL.

关 键 词：家蚕 蛹虫草 血淋巴 保护酶 

分 类 号：Q965[生物学—昆虫学]