IMR Press / FBL / Volume 14 / Issue 10 / DOI: 10.2741/3508

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with Frontiers in Bioscience.


Effects of transgenic Bt+CpTI cotton on the growth and reproduction of earthworm Eisenia foetida

Show Less
1 State Key Biosafety Laboratory, Nanjing Institute of Environmental Sciences(NIES), Ministry of Environmental Protection of China, Nanjing, Jiangsu 210042, China
2 Cotton Research Institute, Chinese Academy of Agricultural Sciences, Anyang, Henan 455000, China
3 School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangsu 210009, China
Front. Biosci. (Landmark Ed) 2009, 14(10), 4008–4014;
Published: 1 January 2009

With the expansion of the planted area of transgenic Bt+CpTI cotton, the effects of this crop on non-target organisms in soil, including earthworms, are becoming the most important aspect of their ecological risk assessment. Laboratory toxicity studies were conducted to determine the effects of transgenic Bt+CpTI cotton leaves, containing high concentrations of the Bt toxin and cowpea trypsin inhibitor, on the earthworm Eisenia foetida. In comparison with the non-transgenic cotton line Zhong23, transgenic Bt+CpTI cotton Zhong41 had no significant acute toxicity on E. foetida. Moreover, the leaves of transgenic Bt+CpTI cotton were more suitable than the non-transgenic cotton Zhong23 for E. foetida growth and reproduction (time of reproduction, the number of cocoons and newly incubated offspring).

Back to top