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Comment
. 2020 May;20(5):538-539.
doi: 10.1016/S1473-3099(20)30279-6.

M1UK lineage in invasive group A streptococcus isolates from the USA

Yuan Li  1 , Srinivas Acharya Nanduri  2 , Chris A Van Beneden  2 , Bernard W Beall  2
Affiliations
Comment

M1UK lineage in invasive group A streptococcus isolates from the USA

Yuan Li et al. Lancet Infect Dis. 2020 May.
No abstract available

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Conflict of interest statement

We declare no competing interests. The findings and conclusions of this Correspondence are those of the authors and do not necessarily represent the official position of the US Centers for Disease Control and Prevention.

Figures

Figure:
Figure:. Phylogenetic relationship of the UK and USA isolates belonging to the M1UK lineage
A maximum likelihood phylogenetic tree was constructed from core SNPs (excluding those potentially acquired by horizontal gene transfer) of emm1 group A streptococcus isolates, including the 11 M1UK_USA isolates, six M1inter_USA isolates identified in our whole-genome sequencing analysis (M1inter isolates have been reported previously; M1inter_USA isolates contained eight to 13 of the 27 lineage-defining SNPs of M1UK), and 29 randomly selected M1global_USA isolates (held in the Active Bacterial Core surveillance system) from the USA, as well as four randomly selected M1UK isolates, three randomly selected M1inter isolates, and three randomly selected M1global isolates from the UK. Shading highlights the M1UK lineage. The scale bar represents the expected nucleotide substitutions per site. The inset shows the genetic relatedness of the 11 M1UK_USA isolates. Branch length is dictated by SNP difference. SNP=single-nucleotide polymorphism. *Fatal cases.
See this image and copyright information in PMC

Comment on

References

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