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Phylogenetic tree of (a) SQS and (b) SQE amino acid sequences. The tree was constructed using the neighbor‐joining method in MEGA6 software (Tamura et al., 2013; http://www.megasoftware.net/) with a bootstrap of 1000 replicates. Protein sequences were obtained from GenBank (https://www.ncbi.nlm.nih.gov/genbank/) and are provided in Table S1
