Isolation of Antibacterial Sunstances from Musca domestica and Optimum of Electrophoresis
- VernacularTitle:家蝇抗菌物质的电泳分离及其条件优化
- Author:
Weihua DONG
;
Haibin LI
;
Fang WANG
- Publication Type:Journal Article
- Keywords:
Musca domestica;
Antibacterial substances;
Electrophoresis
- From:
Journal of Environment and Health
2007;0(07):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the antibacterial substances produced by Musca domestica and heattreatment and electrophoresis isolation of the substances. Methods After the 3rd instar larval of Musca domestica being induced for 48 hours by pricking,the hemolymph was collected and bathed at 100 ℃ for 0,0.5,1,3,5 min. Antibacterial substances of Musca domestica was isolated by electrophoresis with acide polyacrylamide gel using 5,10,20,30 ?l doses. Results 20 ?l was the optimum dose both for bathed and non-bathed hemolymph. Water bath at 100 ℃ for 1 min was the optimum bath time for hemolymph. Comparing induced hemolymph with non-induced hemolymph,the protein of the induced hemolymph was increased in the number and content. After 100 ℃ bathed for 1 min,it showed that the bonds of hemolymph increased both in quantities and contents. Conclusion Optimum treatment is 100 ℃ bath for 1 min and 20 ?l of adding dose. Pricking inducing can produce new proteins in hemolymph, which are the new induced antibacterial substances.
