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Updated: Jul 31, 2026

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Induction of a 58,000 dalton protein during goldenrod gall formation
P Carango1, K D McCrea, W G Abrahamson
1Bucknell University Biology Department, Lewisburg, PA 17837.
Abstract:
Despite the widespread occurrence of plant-gallmaker interactions, little is known about the actual mechanisms of gall formation. To further characterize this type of parasite-host interaction, the mechanism of gall formation in Solidago altissima, tall goldenrod, by the larva of the tephritid fly Eurosta solidaginis was studied. Proteins produced by galled and ungalled tissues were examined, and the hyperinduction of a 58 kilodalton protein was observed in galled tissues for the second and third week of gall growth. The presence of this protein suggests that a substance secreted by the larva may function as a trans-acting gene regulator.
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