Tobacco hornworm found to use nicotine to create 'defensive halitosis'

(Phys.org) —A team of researchers at the Max Planck Institute in Germany has found that a species of hornworm uses nicotine it gets from eating tobacco plants, as a means of defense. In their paper published in Proceedings of the National Academy of Sciences, the team describes how they found changes in defensiveness in hornworms when fed genetically altered (low-nicotine) tobacco plants.

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