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Effects of straw leachates from Cry1C-expressing transgenic rice on the development and reproduction of Daphnia magna
Yi Chen1,2; Yanjie Gao1; Haojun Zhu1,3; Jörg Romeis1,2; Yunhe Li1; Yufa Peng1; Xiuping Chen1
2018-09-18
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume165Pages:630-636
Abstract

The transgenic rice line T1C-19 provides high resistance to lepidopteran pests because of the synthesis of the Bacillus thuringiensis(Bt) insecticidal protein Cry1C. It thus shows good prospect for commercial planting in China. Species of Cladocera, an order of aquatic arthropods commonly found in aquatic ecosystems such as ricepaddies, might be exposed to the insecticidal protein released from Bt-transgenic rice-straw residues. For the study reported herein, we used Daphnia magna(water flea) as a representative of Cladocera to evaluate whetheraquatic arthropods are adversely affected when exposed to Bt rice-straw leachates. We exposed D. magnato M4 medium containing various volume percentages of medium that had been incubated with T1C-19 rice straw orrice straw from its non-transformed near-isoline Minghui 63 (MH63) for 21 days. Compared with pure M4medium (control), the fitness and developmental and reproduction parameters of D. magnadecreased sig-nificantly when exposed to rice-straw leachates; conversely, no significant differences between the T1C-19 and MH63 rice-straw leachate treatments were observed, indicating that the Bt rice straw leachate did not adverselyaffect this non-target species.

KeywordBt Protein Environmental Risk Assessment Non-target Effect Daphnia Magna Chronic Toxicit Catalase
DOI10.1016/j.ecoenv.2018.09.045
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Toxicology
WOS SubjectEnvironmental Sciences ; Toxicology
WOS IDWOS:000447484000075
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE, 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorXiuping Chen
Affiliation1.The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
2.Agroscope, Research Devision Agroecology and Environment, 8046 Zurich, Switzerland
3.Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of FisherySciences, Wuxi 214081, China
Recommended Citation
GB/T 7714
Yi Chen,Yanjie Gao,Haojun Zhu,et al. Effects of straw leachates from Cry1C-expressing transgenic rice on the development and reproduction of Daphnia magna[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2018,165:630-636.
APA Yi Chen.,Yanjie Gao.,Haojun Zhu.,Jörg Romeis.,Yunhe Li.,...&Xiuping Chen.(2018).Effects of straw leachates from Cry1C-expressing transgenic rice on the development and reproduction of Daphnia magna.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,165,630-636.
MLA Yi Chen,et al."Effects of straw leachates from Cry1C-expressing transgenic rice on the development and reproduction of Daphnia magna".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 165(2018):630-636.
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