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. 2013 Jul 11;7(12):2349–2360. doi: 10.1038/ismej.2013.113

Figure 5.

Figure 5

Illustration of sulfur oxidation and methanotrophic proteins expressed by bacteria in the Inferno hydrothermal vent plume. (a) Sulfur oxidation proteins expressed in the plume are indicated in green, regulatory proteins in orange, aerobic respiratory proteins in red and carbon fixation proteins in blue. (b) Methane oxidation proteins expressed in the plume are indicated in yellow and regulatory proteins in orange. Proteins identified by one peptide are in gray. Dsr, dissimilatory sulfite reductase; sox, sulfur oxidation system; PII, nitrogen regulatory protein PII; COX, cytochrome c oxidase; CBB, Calvin–Benson–Basham cycle; pMMO, particulate methane monooxygenase (PmoB); PQQ-dep MDH, PQQ-dependent methanol dehydrogenase; GlnK, nitrogen regulatory protein (homolog of PII); Gs, glutamine synthetase; UT/UR, uridylyl transferase/uridylyl-removing enzyme; Apr, adenosine phosphosulfate reductase; SAT, ATP sulfurylase.