ArticleFood microbiology2013
Detection of Escherichia coli via VOC profiling using secondary electrospray ionization-mass spectrometry (SESI-MS).
Article in Food microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Early detection of bacterial pneumonia by characteristic induced odor signatures.BMC infectious diseases · 2024Article
- Modern approaches for detection of volatile organic compounds in metabolic studies focusing on pathogenic bacteria: Current state of the art.Journal of pharmaceutical analysis · 2024Review
- Article
- Rapid detection ofiScience · 2022Article
- Differentiation of Cystic Fibrosis-Related Pathogens by Volatile Organic Compound Analysis with Secondary Electrospray Ionization Mass Spectrometry.Metabolites · 2021Article
- Article
- The Emergence of Insect Odorant Receptor-Based Biosensors.Biosensors · 2020Review
- Profiles of volatile indole emitted by Escherichia coli based on CDI-MS.Scientific reports · 2019Article
- Metabolic changes during periodontitis therapy assessed by real-time ambient mass spectrometry.Clinical mass spectrometry (Del Mar, Calif.) · 2019Article
- Real-time mass spectrometric identification of metabolites characteristic of chronic obstructive pulmonary disease in exhaled breath.Clinical mass spectrometry (Del Mar, Calif.) · 2018Article
- Comparative analysis of volatile organic compounds for the classification and identification of mycobacterial species.PloS one · 2018Article
- Differentiation of oral bacteria in in vitro cultures and human saliva by secondary electrospray ionization - mass spectrometry.Scientific reports · 2015Article
- Practical Applications of Secondary/Extractive Electrospray Ionization (SESI): A Versatile Tool for Real-Time Chemical Analysis.Mass spectrometry reviewsReview
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
Escherichia coli O157:H7 (EC O157:H7), as well as its recently emerging non-O157 relatives, are a notorious group of pathogenic bacteria associated with foodborne outbreaks. In this study, we demonstrated that secondary electrospray ionization mass spectrometry (SESI-MS) could be a rapid and accurate detection technology for foodborne pathogens. With SESI-MS volatile organic compound (VOC) profiling, we were able to detect and separate a group of eleven E. coli strains from two major foodborne bacteria, Staphylococcus aureus and Salmonella Typhimurium in three food modeling media. In addition, heatmap analysis of relative peak intensity show that there are six core peaks (m/z of 65, 91, 92, 117, 118 and 119) present and at a similar intensity in all eleven E. coli strains at the experimental conditions we tested. These peaks can be considered conserved VOC biomarkers for E. coli species (robustly produced after just 4 h of growth). Bacterial strain-level differentiation was also attempted via VOC profiling, and we found that EC O157:H7 and EC O145 were differentiable from all other EC strains under the conditions investigated.
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