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. 2023 Dec 26;2(4):416–427. doi: 10.1002/mlf2.12095

Figure 1.

Figure 1

Composition of microbial taxonomic groups and functional traits related to B12 biosynthesis in the global ocean. (A) Composition of microbial taxa carrying B12 biosynthesis genes across different samples. (B) Composition of microbial functional traits potentially involved in B12 biosynthesis across different samples. (C) Relative abundance of microbial phyla carrying genes in different B12 biosynthesis pathways and different ocean layers. Pie charts show the relative abundance of functional traits related to the salvage pathway in the epipelagic zone. The same scaling color code is used in (A) and the stacked bar chart in (C). The figure shows major microbial taxa and functional traits. DCM, deep chlorophyll maximum layer; MES, mesopelagic zone; SRF, surface water layer.