The phytoplasma effector, Phyllogen, structurally mimics host plant MADS transcription factors.
Phytoplasmas are obligate plant pathogens that include species causing severe developmental abnormalities in diverse plant families. Phytoplasma infections may result in dwarfism, witches' broom, virescence and phyllody, the conversion of reproductive organs into leaf-like structures. Phyllody is due to the activity of...