Light and Fungal Elicitor Induce 3-Deoxy-d-arabino-Heptulosonate 7-Phosphate Synthase mRNA in Suspension Cultured Cells of Parsley (Petroselinum crispum L.) | Zendy

John M. Henstrand | Zendy; Kent F. McCue | Zendy; Kent Brink | Zendy; Avtar K. Handa | Zendy; Klaus M. Herrmann | Zendy; Eric E. Conn | Zendy

Open Access

Light and Fungal Elicitor Induce 3-Deoxy-d-arabino-Heptulosonate 7-Phosphate Synthase mRNA in Suspension Cultured Cells of Parsley (Petroselinum crispum L.)

Author(s) -

John M. Henstrand,

Kent F. McCue,

Kent Brink,

Avtar K. Handa,

Klaus M. Herrmann,

Eric E. Conn

Publication year - 1992

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.98.2.761

Subject(s) - elicitor , phenylalanine ammonia lyase , atp synthase , biochemistry , biology , biosynthesis , phenylalanine , enzyme , lyase , phytophthora megasperma , microbiology and biotechnology , peroxidase , amino acid

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.

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