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Images of microbes that can oxidize methane anaerobically Figure 1. FISH images demonstrating the diversity and spatial heterogeneity of archaeal-bacterial aggregations from Eel River basin methane seeps, likely involved in the anaerobic oxidation of methane. The archaeal ANME-1 rods (A; in red) are frequently observed as individual filaments or aggregates as well as (B) found in loose association with sulfate-reducing Desulfosarcina spp. (coccoid cells in red). The archaeal ANME-2 (C and D; in red) commonly form highly structured, layered associations with the sulfate-reducing Desulfosarcina (C; in green). The association between the ANME-2 and Desulfosarcina, while common in many methane-rich environments, was not found to be obligate at the Eel River basin site. The inset in (D) shows a mono-species ANME-2 cell cluster and (E) demonstrates an association between the ANME-2 (in green) and clusters of unidentified bacteria, not related to the Desulfosarcina/Desulfococcus group (in red). Scale bar = 10 µm. Select images are from Orphan et al., 2002. More about microbes and methane... Home | Goals | Summary | Microbes
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