Proteinaceous Cassava Lacks Protein

A PLOS ONE study claiming to have jacked up the essential crop with a gene to allow the plant to produce protein is retracted.

Written byJef Akst
| 2 min read

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Cassava, the starchy root vegetable that serves as a dietary staple to millions of people around the world, has not gotten even better, as reported last January by Claude Fauquet of the Donald Danforth Plant Science Center and colleagues. The PLOS ONE study—which described a genetically modified cassava plant that expressed the zeolin gene for a nutritional protein—has been retracted, Retraction Watch reported.

“The authors have been unable to confirm the presence of the zeolin gene within the transgenic cassava plants in several subsequent studies,” the retraction notice read. “Additionally, the Committee on Research Integrity at Donald Danforth Plant Science Center has carried out an institutional investigation which revealed that significant amounts of data and supporting documentation that were claimed to be produced by the first author could not be found.”

The study, which has been cited five times, according to ISI, was part of a Gates Foundation-funded program aimed ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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