Safety Evaluation of Stacked Genetically Modified Corn Event (MON89034 × MON88017) Using Zebrafish as an Animal Model

DOI: 10.4236/fns.2015.614134   PDF   HTML   XML   2,314 Downloads   2,925 Views   Citations

Abstract

This study assessed the effect of feeding stacked genetically modified (GM) corn event (MON89034 × MON88017) on embryonic development, adult tissue histology and assessed the possibility of transgenic DNA transfer, using zebrafish as an animal model. Adult zebrafish were separated into male and female groups. After 3 weeks of feeding with experimental diets, males and females were paired once a week and fertilized embryos were collected, then the male and female fish were re-turned to their sex-specific groups. This fertilization and embryo collection process were repeated 3 times. Embryonic morphological measurements were obtained on developing embryos up to 96 hours after fertilization, and then the embryos were fixed in 4% phosphate-buffered paraformal-dehyde for morphologic assessment. At the end of the feeding study, various adult zebrafish tissues were histologically examined for abnormalities. Both zebrafish tissues and embryos were analyzed for presence of plant specific genes and transgenic sequences. No changes or abnormalities were observed in embryonic morphology nor in any of the tissues examined histologically. In addition, no plant DNA reference genes or transgenic DNA were found in any of the analyzed samples. These results demonstrate that the safety and nutrition of MON89034 × MON88017 corn are similar to non-GM corn.

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Rayan, A. , Nigussie, F. and Abbott, L. (2015) Safety Evaluation of Stacked Genetically Modified Corn Event (MON89034 × MON88017) Using Zebrafish as an Animal Model. Food and Nutrition Sciences, 6, 1285-1295. doi: 10.4236/fns.2015.614134.

Conflicts of Interest

The authors declare no conflicts of interest.

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