Tryptophan decarboxylase, tryptamine, and reproduction of the whitefly

John C. Thomas, Deanna G. Adams, Craig L. Nessler, Judith K Brown, Hans J. Bohnert

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Tryptophan decarboxylase (TDC) from Catharanthus roseus (periwinkle) converts tryptophan to the indole-alkaloid tryptamine. When the TDC gene was expressed in transgenic tobacco, the 55-kD TDC enzyme and tryptamine accumulated. Bemisia tabaci (sweetpotato whitefly) reproduction on transgenic plants decreased up to 97% relative to controls. Production of tryptamine, its derivatives, or other products resulting from TDC activity may discourage whitefly reproduction and provide a single-gene-based plant protection strategy.

Original languageEnglish (US)
Pages (from-to)717-720
Number of pages4
JournalPlant Physiology
Volume109
Issue number2
StatePublished - Oct 1995

Fingerprint

Aromatic-L-Amino-Acid Decarboxylases
tryptamine
Hemiptera
Aleyrodidae
tryptophan
Reproduction
Bemisia tabaci
Vinca
Catharanthus
Indole Alkaloids
Plant Genes
Genetically Modified Plants
indole alkaloids
Tryptophan
Catharanthus roseus
Tobacco
plant protection
transgenic plants
tobacco
genes

ASJC Scopus subject areas

  • Plant Science

Cite this

Thomas, J. C., Adams, D. G., Nessler, C. L., Brown, J. K., & Bohnert, H. J. (1995). Tryptophan decarboxylase, tryptamine, and reproduction of the whitefly. Plant Physiology, 109(2), 717-720.

Tryptophan decarboxylase, tryptamine, and reproduction of the whitefly. / Thomas, John C.; Adams, Deanna G.; Nessler, Craig L.; Brown, Judith K; Bohnert, Hans J.

In: Plant Physiology, Vol. 109, No. 2, 10.1995, p. 717-720.

Research output: Contribution to journalArticle

Thomas, JC, Adams, DG, Nessler, CL, Brown, JK & Bohnert, HJ 1995, 'Tryptophan decarboxylase, tryptamine, and reproduction of the whitefly', Plant Physiology, vol. 109, no. 2, pp. 717-720.
Thomas JC, Adams DG, Nessler CL, Brown JK, Bohnert HJ. Tryptophan decarboxylase, tryptamine, and reproduction of the whitefly. Plant Physiology. 1995 Oct;109(2):717-720.
Thomas, John C. ; Adams, Deanna G. ; Nessler, Craig L. ; Brown, Judith K ; Bohnert, Hans J. / Tryptophan decarboxylase, tryptamine, and reproduction of the whitefly. In: Plant Physiology. 1995 ; Vol. 109, No. 2. pp. 717-720.
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