Chapela was co-author (with his graduate student, David Quist) of a controversial 2001 "Nature" paper about the flow of transgenes in to wild Mexican maize, which was the first paper ever retracted by the prestigious journal.
Chapela was co-author (with his graduate student, David Quist) of a controversial 2001 "Nature" paper about the flow of transgenes in to wild Mexican maize. Controversy over the accuracy of the claims and methodological concerns about the paper let it to become the first paper ever retracted by the prestigious journal.