Extended Data Table 2 Key marker genes used to identify the presence of carbon fixation pathways in metagenomic datasets

From: Inactive hydrothermal vent microbial communities are important contributors to deep ocean primary productivity

Carbon Fixation Pathway

Key Genes

Reverse TCA cycle

ATP-citrate lyase (aclAB)

CBB cycle

ribulose-bisphosphate carboxylase (rbcSL)

WL pathway

carbon-monoxide dehydrogenase (CooS, ascA)

2-HP bicycle

malonyl-CoA reductase / 3-hydroxypropionate dehydrogenase (mcr)

3-HP/4-HB

4-hydroxybutyryl-CoA dehydratase (abfD)

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