Metabolism of [15N]glycine and [13C]glycine by Dionaea muscipula Studied by Gas Chromatography-Mass Spectrometry

Plants of Dionaea muscipula Ellis fed for 24 h via trap lobes with [13C]glycine or [15N]glycine metabolized the glycine in the fed trap lobes only. Both13C and15N labelling was detected in glycine and serine and15N labelling in alanine, aspartic acid, glutamic acid and 4-aminobutanoic acid extracted...

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Published inThe New phytologist Vol. 114; no. 4; pp. 581 - 588
Main Authors Greenaway, W., May, J., English, S., Whatley, F. R.
Format Journal Article
LanguageEnglish
Published Oxford, UK Cambridge University Press 01.04.1990
Blackwell Publishing Ltd
Blackwell
Subjects
Amino acids
Anions
Atoms
Biological and medical sciences
Cations
Dionaea muscipula
Ethers
Fundamental and applied biological sciences. Psychology
GC/MS
Ions
Isotopic labeling
Metabolism
Metabolism. Physicochemical requirements
Plant physiology and development
Plants
stable isotopes
Venus's flytrap
Zwitterions
Gas chromatography
Droseraceae
Isotope labelling
Dicotyledones
Angiospermae
Spermatophyta
Carnivorous plant
Nitrogen
Glycine
Metabolism
Carbon
Mass spectrometry
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Summary:Plants of Dionaea muscipula Ellis fed for 24 h via trap lobes with [13C]glycine or [15N]glycine metabolized the glycine in the fed trap lobes only. Both13C and15N labelling was detected in glycine and serine and15N labelling in alanine, aspartic acid, glutamic acid and 4-aminobutanoic acid extracted from fed trap lobes. Limited amounts of [4-15N]aminobutanoic acid and serine were translocated to the lamina of the fed trap lobes but neither these, nor other labelled amino acids, were detected in other parts of the plant. No13C labelling was detected in compounds other than glycine and serine.
ISSN:0028-646X
1469-8137
DOI:10.1111/j.1469-8137.1990.tb00428.x