Coordinated changes in transcription and translation rates of phenylalanine ammonia-lyase and 4-coumarate: CoA ligase mRNAs in elicitor-treated Petroselinum crispum cells.

Treatment of cultured parsley cells (Petroselinum crispum) with elicitor preparations from the fungus, Phytophthora megasperma f. sp. glycinea, resulted in coordinated, sequential changes in the transcription rates, mRNA amounts and translational activities, and the catalytic activities of phenylalanine ammonia-lyase and 4-coumarate:CoA ligase. In contrast to previous observations (Kuhn et al. 1984, Chappell and Hahlbrock 1984), the coordination included the timing of changes in transcription rates and mRNA amounts if a different elicitor preparation or a different cell culture was used.