Reactive oxygen species in aerobic methane formation from vegetation

D. J. Messenger, A. R. McLeod, S. C. Fry

Research output: Contribution to journalArticlepeer-review


The first report of aerobic methane emissions from vegetation by an unknown mechanism suggested that this potential new source may make a significant contribution to global methane emissions. We recently investigated possible mechanisms and reported2,3 experiments in which UV-irradiation caused methane emissions from pectin, a major plant cell wall polysaccharide. Our findings also suggest that UV-generated reactive oxygen species (ROS) release methane from pectin. This has implications for all other, UV-independent processes which may generate ROS in or close to the plant cell wall and suggests a need to evaluate additional systems for ROS-generated methane emissions in leaves.
Original languageEnglish
Pages (from-to)629-630
Number of pages2
JournalPlant Signaling & Behavior
Issue number7
Publication statusPublished - 1 Jul 2009


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