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| Effect of transgenic maize ZZM030 on growth and reproduction of Daphnia magna |
| Received:January 22, 2019 |
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| KeyWord:transgenic maize;Daphnia magna;feeding study;ecological risk assessment |
| Author Name | Affiliation | E-mail | | ZHANG Li | Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Nanjing 210042, China | | | SHEN Wen-jing | Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Nanjing 210042, China | | | FANG Zhi-xiang | Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Nanjing 210042, China | | | LIU Biao | Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China, Nanjing 210042, China | liubiao@nies.org |
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| Abstract: |
| To assess the potential risk that transgenic maize poses to aquatic organisms, the effects of the genetically modified (GM)maize ZZM030 were examined on the water flea Daphnia magna, as a model species for ecotoxicological studies. In a 28-day study, D. magna were experimentally fed a basal diet of ground flour from ZZM030 or its parental maize X249 at 1.5 g·L-1 per individual per day. Overall, D. magna fed ZZM030 and X249 showed comparable survival, body size, maturity time, first brood time, first brood size, and total number of offspring, with no significant differences observed for any of the above parameters. This study suggests that the GM maize ZZM030 is a safe food source for D. magna with substantial equivalence to its parental non-GM maize. |
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