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Published on: September 3, 2016
Hexokinase II Inhibitory Effect of Secondary Metabolites Derived from a Streptomyces sp. Associated with Mud Dauber
Xiu-Mei Zhang1, Ai-Hong Peng2, Wei-Dong Xie2
1Department of Pharmacy, Shandong Drug and Food Vocational College, Weihai, 264210, P. R. China.
Abstract:
Insect-microbial symbioses have vast biochemical diversity, which is beneficial to produce bioactive secondary metabolites. In this study, chemical examination of a Streptomyces sp. associated with a mud dauber wasp led to the isolation of fourteen compounds. Their structures were determined by spectroscopic methods and comparison with literature data. Among the isolates, compounds 1,2,3-benzotriazin-4(1H)-one and 4-(2-aminoethyl)phenyl acetate were first reported from this species. Bioactivities of the isolated compounds were assayed for the first time against hexokinase II. 4-(2-Aminoethyl)phenyl acetate, germicidin B, phenylacetic acid, isogermicidin A and germicidin C displayed significant inhibitory activity against hexokinase II, with the IC50 values of 5.11, 7.11, 7.15, 8.45 and 8.78 μM, respectively.
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