High larvicidal activity of intact recombinant cyanobacterium Anabaena sp. PCC 7120 expressing Gene 51 and Gene 42 of Bacillus sphaericus sp. 2297 |
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Authors: | Xu Xudong Kong Renqiu Hu Yuxiang |
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Institution: | Shandong Institute of Parasitic Diseases, Jining, Shandong Province, People's Republic of China |
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Abstract: | Abstract Gene 51 and Gene 42 of Bacillus sphaericus 2297 were expressed in the nitrogen-fixing filamentous cyanobacterium Anabaena sp. 7120 on a shuttle vector. Intact recombinant cells showed high toxicity against larvae of Culex pipiens in laboratory and field tests, and lower toxicity against larvae of Anopheles sinensis . Although unselective culture could decrease the mosquitocidal activity, the genetically engineered Anabaena open up new possibilities for the use of cyanobacteria for mosquito control. |
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Keywords: | Anabaena Larvicidal activity Bacillus sphaericus Toxin genes |
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