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Assessing effects of transgenic Cry1Ac cotton on the earthworm Eisenia fetida |
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| Authors: | Biao Liu Liang Wang Qing Zeng Jun Meng Wenjun Hu Xiaogang Li Kexin Zhou Kun Xue Doudou Liu Yangping Zheng |
| Institution: | a State Key Laboratory of Biosafty, Nanjing Institute of Environmental Sciences(NIES), Ministry of Environmental Protection of China, No 8, Jiang-wang-miao St., Nanjing, Jiangsu 210042, China b State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, Jiangsu 210008, China c School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, China d College of Forest Resources and Environment, Nanjing Forestry University, Nanjing, Jiangsu 210037, China e College of Life and Environmental Science, the Central University for Nationalities, Beijing 100081, China |
| Abstract: | Transgenic insect-resistant cotton containing a synthetic version of the insecticidal toxin gene from Bacillus thuringiensis subsp. kurstaki has been planted in China in a large scale and may have adverse impacts on soil organisms. The leaves of the transgenic cotton and the non-transgenic parental cotton were collected and their impacts on the earthworm, Eisenia fetida, were tested in laboratory studies. No significant acute toxicity on E. fetida from oral exposure to the transgenic cotton line, GK19, was detected. The average weight, numbers of cocoons and new offsprings of E. fetida in the GK19 groups were all higher than in the Simian3 groups, but the differences were not significant. |
| Keywords: | Transgenic Cry1Ac gene Cotton Leaf Eisenia fetida Growth Reproduction |
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