The biomolecule diphthamide is essential for the proper formation of proteins in cells. When humans are infected with diphtheria, diphthamide is altered by the diphtheria toxin so that life-threatening complications can arise as a consequence of an impaired formation of proteins. Up to now, diphthamide was only known to occur in animals and fungi. A research team has now demonstrated that the biomolecule also occurs in plants.
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Source: ScienceDaily