Abstract
Here we report the whole-genome sequences of 15 clinical Streptococcus suis strains isolated from pigs in Switzerland. Although they originated from the same host and geographic origin, the strains showed a large amount of diversity.
Highlights
We report the whole-genome sequences of 15 clinical Streptococcus suis strains isolated from pigs in Switzerland
The average nucleotide identity (ANI) of strain PP422 was only 88 to 89% compared to the other strains in this study, showing a high genomic diversity which was already observed previously in this species [7]
The other strains had an ANI of at least 94.6%, which is below the ANI cutoff for species differentiation of 95 to 96% [6], confirming again the diversity of the species S. suis
Summary
We report the whole-genome sequences of 15 clinical Streptococcus suis strains isolated from pigs in Switzerland. Genomic DNA was extracted using a DNA blood and tissue kit (Qiagen, Hombrechtikon, Switzerland) and prepared for sequencing with a Nextera DNA Flex sample preparation kit (Illumina, San Diego, CA, USA) on an Illumina MiniSeq sequencer with 150-bp paired-end reads. The sequencing resulted in an output of paired-end read sets containing 596,559 to 1,666,705 reads of 150 bp. The quality of the reads was checked using FastQC (https:// www.bioinformatics.babraham.ac.uk/projects/fastqc/).
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