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. 2014 Jan 28;5(1):e00980-13. doi: 10.1128/mBio.00980-13

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Copyright © 2014 Cao et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-ShareAlike 3.0 Unported license, which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original author and source are credited.

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FIG 4 — Functional genes of sulfur-oxidizing and sulfate-reducing bacteria and their abundance in both metagenomes. (A) Enzymes associated with intracellular sulfur metabolism in sulfur-oxidizing and sulfate-reducing bacteria. A, B, C, J, K, O, and P indicate the subunit for the according enzyme. OM, outer membrane; HYD, hydrogenase; ACL, ATP citrate lyase; sat, sulfate adenylyltransferase; APS, adenosine 5'-phosphosulfate; APR, adenosine 5'-phosphosulfate reductase; DSR, dissimilatory sulfite reductase. (B) Abundance of the genes corresponding to the enzymes shown in panel A. The functions of the genes shown in panel B are based on proposed models from Sheik et al. (18) and Pereira et al. (19).