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Neighbor-joining phylogenetic tree calculated from deduced amino acids of oorA sequences obtained in this study (shown in bold) and public databases. Accession numbers of sequences are given in parentheses. Reference sequences from metagenomic libraries were obtained from the Joint Genome Institute database (IMG) and CAMERA database (JCVI_PEP_). Bootstrap values are shown as percentages of 1,000 replicates and values over 50% are indicated on nodes.
