RRC ID 88705
著者 Oshiro M, Nakamura K, Tashiro Y.
タイトル Challenge of validation in whole-cell spike-in amplicon sequencing to comprehensively quantify food lactic acid bacteriota.
ジャーナル Biosci Biotechnol Biochem
Abstract Lactic acid bacteria (LAB) shape diverse communities in fermented foods. Developing comprehensive quantification methods for community structure will revolutionize our understanding of food LAB microbiome. For this purpose, 16S rRNA gene amplicon-based quantification, using spiked exogenous bacterial cells as an internal standard, shows potential for comprehensiveness and accuracy. We validated cell spike-in amplicon sequencing for quantifying LAB communities in food. Low efficiency of LAB DNA extraction underscores the importance of compensating for DNA loss by spiking internal standard cells. Quantitative equations generated using 15 selected LAB mock species showed positive relationships between the ratio of MiSeq read counts and the expected 16S rRNA gene copy numbers, with coefficients of determination (R2) ≥ 0.6823. The fold differences between observed and expected 16S copy numbers were within the range of 1/3 to 3-fold. Our validation highlights that accurate preparation of the LAB mock community is crucial for cell spike-in amplicon sequencing accuracy.
巻・号 89(2)
ページ 294-303
公開日 2025-1-24
DOI 10.1093/bbb/zbae173
PII 7906606
PMID 39572080
MeSH DNA, Bacterial / genetics Food Microbiology* Lactobacillales* / genetics Lactobacillales* / isolation & purification RNA, Ribosomal, 16S / genetics Sequence Analysis, DNA* / methods
リソース情報
一般微生物 JCM12532 JCM8723 JCM5668 JCM16176 JCM1134 JCM1149 JCM1012 JCM5805 JCM1096 JCM1115 JCM6124 JCM15949 JCM5666 JCM1173 JCM1164 JCM1716 JCM5890 JCM16178 JCM5707 JCM1093