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(A) Phylogenetic tree of AerA based on amino acid sequences. (B) Phylogenetic tree of RtxA based on amino acid sequences. The proteins highlighted with small circles are found in A. salmonicida isolates in this study. Accession numbers and host organisms are presented for sequences downloaded from GenBank. Numbers at nodes are bootstrap values (%) based on 1000 resampled datasets; only values >50% are given.
