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Expressed homologs, (relative abundance) encoding (A) hydrolases potentially involved in the initial breakdown of of complex permafrost soil biopolymers, and (B) formyltetrahydrofolate synthetase (fhs) and methyl-coenzyme reductase A (mcrA) before and after 11 days of thaw. Note the predominance of concomitant mcrA (methanogenesis) and fhs (acetogenesis) expression in thawed samples relative to frozen samples.
