cereus ATCC 10987 [GenBank: NC_ 003909], ATCC 14579 [GenBank: NC_ 004722] and B. weihenstephanensis KBAB4 [GenBank: NC_010184]. The heat-plot is based on a fragmented alignment using BLASTN made with settings 200/100. The cutoff threshold for non-conserved material was 30%. Based on this all-against-all approach, a corresponding phylogenetic dataset can be extracted and then a tree was constructed using neighbor joining method by splitstree4 (version 4.12.8) with this dataset. Each ces gene and the concatenated sequences, as well as the deduced

amino acid sequences, were aligned by MEGA version 5.2 software. A neighbor-joining (NJ) phylogenetic tree based on the concatenated gene sequences was constructed with a bootstrap of learn more 1,000. The contigs containing the ces gene cluster were compared with the genomes of AH187 and B. weihenstephanensis KBAB4 by BLASTN with an e-value cutoff of 1e-5. Linear alignment was finished by MUMmer software package

(release 3.23) [56]. The sequences upstream of cesH and downstream of cesD were obtained from the complete see more genome sequence of AH187 and the contigs with the ces gene cluster located within the gapped genome sequences of the emetic strains (NCBI – Table 1), except that MC67 https://www.selleckchem.com/products/lcz696.html and MC118 by primer walking [GenBank: KF554002, KF554003, KF554006, KF554007]. Acknowledgement We are grateful to Professor Ningyi Zhou for kindly providing us with plasmid R388. We also like to gratefully acknowledge Mrs. Annika Gillis for her careful reading of the manuscript and her helpful comments. This work was supported by an NFSC grant 31170006. References 1.

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