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Phylogenetic trees of magnetosome genes, mamAMQ. The trees were constructed with the mam genes of known MTB (Proteobacteria, Desulfobacteria, and Nitrospirae) and Nitrospinae genomes. Filled and open black circles at nodes represent 1,000 pseudoreplicate bootstrap values higher than 75 and 50%, respectively. Complete trees are shown in Supplementary Figures 1–3.
