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The burden of proof: A response to Rosi-Marshall et al
- Roger N. Beachy*,†,
- Nina V. Fedoroff‡,§,
- Robert B. Goldberg¶, and
- Alan McHughen‖
- *Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132;
- ‡Science and Technology Adviser to the Secretary of State, U.S. Department of State, Washington, DC 20520;
- §Willaman Professor of Life Sciences and Evan Pugh Professor, Pennsylvania State University (on leave), University Park, PA 16802;
- ¶Department of Molecular, Cell, and Developmental Biology, University of California, Los Angeles, CA 90024; and
- ‖College of Natural and Agricultural Sciences, University of California, Riverside, CA 92521
To the Editor: A recent paper in PNAS (1) purports to show that insect-resistant crops have unexpected effects on nontarget insects in streams. A sentence in the Abstract reads “Stream insects are important prey for aquatic and riparian predators, and widespread planting of Bt crops has unexpected ecosystem-scale consequences.” The data presented in …
†To whom correspondence should be addressed. E-mail: rnbeachy{at}danforthcenter.org
