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. 2019 Sep 6;14(1):53–66. doi: 10.1038/s41396-019-0502-0

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Fig. 2 — Taxonomic composition among all 155 soil metagenomes for a all 12 cobalamin biosynthesis genes, b corrin ring biosynthesis genes, c final synthesis and repair genes, and d the DMB synthesis and activation genes. Only the top five phyla are shown individually, other phyla are collectively denoted as “others”