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Neighbor joining tree based on 16S rRNA gene sequences of E. coli isolated from fresh produce. E. coli strain JCM 24006 (AB548579) was included as a reference strain and Staphylococcus aureus (JN102565) was included as an outgroup. KR-accession numbers correspond to gene sequences that belong to isolates analyzed in this study while AB548579 and JN102565 were obtained from the NCBI database. Bootstrap values above 50% are shown (1000 replications).
