期刊
BULLETIN OF ENTOMOLOGICAL RESEARCH
卷 106, 期 3, 页码 387-394出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007485316000031
关键词
antibiotic; Spodoptera litura; fitness of insect; enzyme activity; gut microflora
类别
资金
- Department of Biotechnology (DBT), Ministry of Science and Technology, Government of India, New Delhi
Addition of antibiotics to artificial diets of insects is a key component in the rearing of insects in the laboratory. In the present study an antimicrobial agent, streptomycin sulphate was tested for its influence on survival and fitness of Spodoptera litura (Fabricus) (Lepidoptera: Noctuidae) as well as its gut microbial diversity. The antibiotic did not adversely affect the survival of S. litura. Faster growth of larvae was recorded on diet amended with different concentrations of streptomycin sulphate (0.03, 0.07 and 0.15%) as compared to diet without streptomycin sulphate. The overall activity of various digestives enzymes increased on S+ diet while the activity of detoxifying enzymes significantly decreased. In addition, alteration in microbial diversity was found in the gut of S. litura larvae fed on diet supplemented with antibiotic (S+) and without antibiotic (S-).
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