Bacterial genomic epidemiology with mixed samples

Mäklin, Tommi and Kallonen, Teemu and Alanko, Jarno and Samuelsen, Ørjan and Hegstad, Kristin and Mäkinen, Veli and Corander, Jukka and Heinz, Eva and Honkela, Antti (2021) Bacterial genomic epidemiology with mixed samples. Microbial Genomics, 7 (11). 000691. ISSN 2057-5858 (https://doi.org/10.1099/MGEN.0.000691)

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Abstract

Genomic epidemiology is a tool for tracing transmission of pathogens based on whole-genome sequencing. We introduce the mGEMS pipeline for genomic epidemiology with plate sweeps representing mixed samples of a target pathogen, opening the possibility to sequence all colonies on selective plates with a single DNA extraction and sequencing step. The pipeline includes the novel mGEMS read binner for probabilistic assignments of sequencing reads, and the scalable pseudoaligner Themisto. We demonstrate the effectiveness of our approach using closely related samples in a nosocomial setting, obtaining results that are comparable to those based on single-colony picks. Our results lend firm support to more widespread consideration of genomic epidemiology with mixed infection samples.

ORCID iDs

Mäklin, Tommi, Kallonen, Teemu, Alanko, Jarno, Samuelsen, Ørjan, Hegstad, Kristin, Mäkinen, Veli, Corander, Jukka, Heinz, Eva

and Honkela, Antti;

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Item metadata

Item type:	Article
ID code:	90694
Dates:	Date Event 15 November 2021 Published 13 September 2021 Accepted
Subjects:	Science > Microbiology
Department:	UNSPECIFIED
Depositing user:	Pure Administrator
Date deposited:	24 Sep 2024 15:16
Last modified:	24 Sep 2024 15:16
Related URLs:	Scopus publication
URI:	https://strathprints.strath.ac.uk/id/eprint/90694

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