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Cited by 192

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Chloride Methylation by Plant Pectin: An Efficient Environmentally Significant Process

Hamilton, John T. G., McRoberts, W. Colin, Keppler, Frank, Kalin, Robert M., Harper, David B.·2003·Science

Abstract

Atmospheric chloromethane (CH 3 Cl) plays an important role in stratospheric ozone destruction, but many uncertainties exist regarding the strengths of its sources and sinks and particularly regarding the processes generating this naturally occurring gas. Evidence is presented here that CH 3 Cl is produced in many terrestrial environments by a common mechanism. Abiotic conversion of chloride to CH 3 Cl occurs readily in plant material, with the widespread plant component pectin acting as a methyl donor. Significant CH 3 Cl emissions from senescent and dead leaves were observed at ambient temperatures; those emissions rose dramatically when temperatures increased. This ubiquitous process acting in terrestrial ecosystems and during biomass burning could contribute the bulk of atmospheric CH 3 Cl.

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Metadata

Authors
Hamilton, J. T. G., McRoberts, W. C., Keppler, F., Kalin, R. M., & Harper, D. B.
Venue
Science
Published
2003-07-11
Volume
301
Issue
5630
Pages
206-209
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2137423981
Cited by
192
References
0
FWCI
7.08
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Chloride Methylation by Plant Pectin: An Efficient Environmentally Significant Process. https://app.cochat.ai/papers/10.1126/science.1085036
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Hamilton, J. T. G., McRoberts, W. C., Keppler, F., Kalin, R. M., & Harper, D. B. (2003). Chloride Methylation by Plant Pectin: An Efficient Environmentally Significant Process. Science. https://doi.org/10.1126/science.1085036

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.