Aerated soils form the second largest sink for atmospheric CH4. A near-complete genome of uncultured upland soil cluster Gammaproteobacteria that oxidize CH4 at <2.5 ppmv was obtained from incubated Antarctic mineral cryosols. This first genome of high-affinity methanotrophs can help resolve the mysteries about their phylogenetic affiliation and metabolic potential.

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Lines 11-14 should read as follows: ".. .Unlike the genomes of other gammaproteobacterial methanotrophs, the USC␥ draft genome contains nearly all essential genes for a complete serine biosynthesis pathway for formaldehyde assimilation. However, the enzymes unique to the typical RUMP pathway, hexulose-6-phosphate synthase and hexulose phosphate isomerase, were not detected.. . ."