Gene-edited Cane Toad That Never Grows Up Created to Eat Its Siblings, Control Invasive Species

By removing a single gene in a cane toad egg, the researchers have created a hatchling that never progresses past its tadpole stage.

The removed gene controls the production of the hormone thyroxine, which fuels the metamorphosis that occurs when a tadpole transforms into a toad.

Scientists have gene-edited a cane toad egg to prevent a hatchling growing past the tadpole stage. The gene knockout technique could be scaled up and potentially used to manage the invasive species. Field trials are expected in Western Australia later this year after the ecological risks are assessed.

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