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Updated: Aug 8, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale
Published on: August 16, 2018
Production of isoprene by leaf tissue
1Department of Botany and Air Pollution Research Section, College of Engineering Research Division, Washington State University, Pullman, Washington 99163.
Abstract:
Isoprene production by Hamamelis virginiana L. and Quercus borealis Michx. leaves was studied. When ambient CO(2) concentrations were maintained with bicarbonate buffers, the rate of isoprene production at 125 microliters per liter of CO(2) was approximately four times that at 250 microliters per liter of CO(2). Isoprene production was drastically inhibited by 97% O(2). Dichlorodimethylphenylurea (0.1 mm), NaHSO(3) (10 mm), and alpha-hydroxy-2-pyridinemethanesulfonic acid (10 mm) inhibited isoprene production but increased the compensation point of the tissue. Isonicotinic acid hydrazide neither inhibited isoprene emission nor increased the compensation point of the tissue significantly. Inhibition of isoprene production does not seem to correlate with stomatal resistance. Isoprene was labeled by intermediates of the glycolate pathway, and similarities are noted between the biosynthesis of isoprene and that of beta-carotene.
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