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Updated: May 20, 2026

Live Imaging of Nicotine Induced Calcium Signaling and Neurotransmitter Release Along Ventral Hippocampal Axons
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Published on: June 24, 2015

Nicotine biosynthesis is completed by cryptic activating glucosylation.

Benjamin T W Schwabe1,2, Isabelle M Angstman3, Katharina Vollheyde3

  • 1Centre for Novel Agricultural Products, Department of Biology, University of York, York, UK.

Nature Communications
|May 18, 2026
PubMed
Summary

Scientists have uncovered the complete biosynthetic pathway for nicotine, the addictive compound in tobacco. This discovery reveals key enzymes and opens new avenues for controlling alkaloid production and exploring novel enzymatic routes.

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Probing Nicotinic Acetylcholine Receptor Function in Mouse Brain Slices via Laser Flash Photolysis of Photoactivatable Nicotine
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Spectral Confocal Imaging of Fluorescently tagged Nicotinic Receptors in Knock-in Mice with Chronic Nicotine Administration
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Spectral Confocal Imaging of Fluorescently tagged Nicotinic Receptors in Knock-in Mice with Chronic Nicotine Administration

Published on: February 10, 2012

Area of Science:

  • Biochemistry
  • Plant Science
  • Organic Chemistry

Background:

  • Nicotine, a significant alkaloid from tobacco (Nicotiana tabacum), has a long history of human use.
  • The precise biosynthetic pathway of nicotine has remained largely unknown despite its importance.

Purpose of the Study:

  • To elucidate the complete biosynthetic pathway of (S)-nicotine.
  • To reconstruct the nicotine biosynthesis pathway both in vitro and in planta.
  • To provide structural insights into key enzymatic steps.

Main Methods:

  • In vitro reconstruction of a four-enzyme biocatalytic cascade.
  • In planta pathway reconstruction.
  • High-resolution X-ray crystallography of key enzymes.

Main Results:

  • Successfully reconstructed a four-enzyme cascade forming (S)-nicotine from nicotinic acid and N-methylpyrrolinium.
  • Identified two glucose-processing enzymes involved in a critical activating glucosylation step.
  • Determined high-resolution X-ray structures of the reductase-oxidase enzyme pair.

Conclusions:

  • Established the complete biosynthetic pathway for nicotine.
  • Identified novel gene targets for modulating alkaloid production in Nicotiana species.
  • Unveiled enzymatic strategies for synthesizing pyridine alkaloids.