Microbes and Environments
Online ISSN : 1347-4405
Print ISSN : 1342-6311
ISSN-L : 1342-6311
Short Communication
A HPLC-based Method for Counting the Genome Copy Number of Cells Allows the Production of a High-quality Mock Community of Bacterial Cells
Yoshifumi OhyamaTakamasa Miura Masataka FurukawaMamiko ShimamuraYuki AsamiAtsushi YamazoeYoshihito UchinoHiroko Kawasaki
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Supplementary material

2025 Volume 40 Issue 2 Article ID: ME24076

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Abstract

Improving the reliability of a metagenomic sequencing ana­lysis requires the use of control samples, known as mock communities. Therefore, mock communities must be prepared with high accuracy and reproducibility, which is particularly challenging for cellular mock communities. In the present study, we prepared a cellular mock community consisting of bacterial strains representative of the human and surrounding environmental microbiomes to demonstrate the suitability of a HPLC-based method that measures the genome number of cells. This method proved to be more accurate and reproducible for preparing cellular mock communities than traditional cell counting-based enumeration methods.

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© 2025 by Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions / Japanese Society for Extremophiles.

This article is licensed under a Creative Commons [Attribution 4.0 International] license.
https://creativecommons.org/licenses/by/4.0/
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