rice-ecosystems

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A rice paddy bacterium can break down an ozone-harming gas plants release

PubMed · 2026-06-22

Scientists sequenced the genome of a newly identified soil bacterium, Oscillospiraceae strain ZGZL, that breaks down chloromethane without oxygen. Found in rice paddy soil, this microbe offers a biological clue to how waterlogged farmland soils may help neutralize a gas that plants naturally emit and that depletes the ozone layer.

Strain ZGZL degrades chloromethane under fully anaerobic conditions, the oxygen-free environment characteristic of flooded rice paddy soil

The bacterium has a compact genome of 2.04 Mb with a G+C content of 52.56%, assembled from metagenomic sequencing rather than lab culture

This is the first genomic characterization of an anaerobic chloromethane-degrading member of the family Oscillospiraceae

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