| Literature DB >> 16668708 |
J M Henstrand1, K F McCue, K Brink, A K Handa, K M Herrmann, E E Conn.
Abstract
Light and fungal elicitor induce mRNA encoding 3-deoxy-d-arabino-heptulosonate 7-phosphate (DAHP) synthase in suspension cultured cells of parsley (Petroselinum crispum L.). The kinetics and dose response of mRNA accumulation were similar for DAHP synthase and phenylalanine ammonia-lyase (PAL). Six micrograms of elicitor from Phytophthora megasperma f. glycinia gave a detectable induction within 1 hour. Induction of DAHP synthase and PAL mRNAs by light was transient, reaching maximal levels at 4 hours and returning to pretreatment levels after 24 hours. Our data suggest that either light or fungal elicitor transcriptionally activate DAHP synthase. A coordinate regulation for key enzymes in the synthesis of primary and secondary metabolites is indicated.Entities:
Year: 1992 PMID: 16668708 PMCID: PMC1080257 DOI: 10.1104/pp.98.2.761
Source DB: PubMed Journal: Plant Physiol ISSN: 0032-0889 Impact factor: 8.340