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Phylogenetic tree of YL-1 strain. The phylogeny tree was computed by MEGA 7.0.14 software with the neighbor-joining statistical method. The no. of bootstrap replications was set to 1000. The analysis involved 17 nucleotide sequences. Except for YL-1 strain, the 18S rDNA sequences of other strains were obtained from NCBI Nucleotide database.
