Fig. 1

Identification of the bacterial strain. (a) Escherichia coli strain appeared on CLED agar as lactose fermenter, opaque, bright yellow colonies “reproduced from ref 2”. (b) Phylogenetic tree based on 16S rRNA sequence of Escherichia coli (arrowed) aligned with closely related strains accessed from the GenBank. Bacillus subtilis is included in the tree as outgroup strain. Escherichia coli OR064346 showed 99.72–99.93% identity and 99–100% coverage with several strains of the same species including the type strain E. coli NBRC102203 (NR_114042).