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

Plant physiology ·Vol. 98 ·No. 2 ·1992-02-00 ·Pages 761-3

Henstrand JM, McCue KF, Brink K, Handa AK, Herrmann KM, Conn EE

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.

Authors & Affiliations

6 authors, click to expand affiliations / ORCID

Henstrand J M

Department of Horticulture, Purdue University, West Lafayette, Indiana 47906.

McCue K F

Brink K

Handa A K

Herrmann K M

Conn E E

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Article Info

Journal

Plant physiology

Abbr.

Plant Physiol

ISSN

0032-0889

DOI

10.1104/pp.98.2.761

Published

1992-02-00

Pages

761-3

Language

English

Region

United States

NLM ID

0401224

PMCID

PMC1080257

External Links

PubMed source DOI: 10.1104/pp.98.2.761 PMC Full Text View journal details

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

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