ArticleCurrent microbiology2014
Antibiotic resistance among cultured bacterial isolates from bioethanol fermentation facilities across the United States.
Article in Current microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 24 citations in OpenAlex.
- Novel Recombinant Endolysin LysMYM94 against Dry-Grind Corn Mash Bioethanol Fermentation Contaminant Limosilactobacillus fermentum.Probiotics and antimicrobial proteins · 2026Article
- Novel endolysin LysMP for control of Limosilactobacillus fermentum contamination in small-scale corn mash fermentation.Biotechnology for biofuels and bioproducts · 2023Article
- Anti-Contamination Strategies for Yeast Fermentations.Microorganisms · 2020Review
- Characterization of microbial communities in ethanol biorefineries.Journal of industrial microbiology & biotechnology · 2020Article
- Combination of natural antimicrobials for contamination control in ethanol production.World journal of microbiology & biotechnology · 2019Article
- Assessment of antibiotic resistance from long-term bacterial exposure to antibiotics commonly used in fuel ethanol production.World journal of microbiology & biotechnology · 2019Article
- Natural antibacterial agents from arid-region pretreated lignocellulosic biomasses and extracts for the control of lactic acid bacteria in yeast fermentation.AMB Express · 2018Article
- Article
- Effects of low concentrations of erythromycin, penicillin, and virginiamycin on bacterial resistance development in vitro.Scientific reports · 2017Article
- Bacterial Community Structure and Dynamics During Corn-Based Bioethanol Fermentation.Microbial ecology · 2016Article
- A multiple antibiotic-resistant enterobacter cloacae strain isolated from a bioethanol fermentation facility.Microbes and environments · 2014Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacterial contamination of fuel ethanol fermentations by lactic acid bacteria (LAB) can have crippling effects on bioethanol production. Producers have had success controlling bacterial growth through prophylactic addition of antibiotics to fermentors, yet concerns have arisen about antibiotic resistance among the LAB. Here, we report on mechanisms used by 32 LAB isolates from eight different US bioethanol facilities to persist under conditions of antibiotic stress. Minimum inhibitory concentration assays with penicillin, erythromycin, and virginiamycin revealed broad resistance to each of the antibiotics as well as high levels of resistance to individual antibiotics. Phenotypic assays revealed that antibiotic inactivation mechanisms contributed to the high levels of individual resistances among the isolates, especially to erythromycin and virginiamycin, yet none of the isolates appeared to use a β-lactamase. Biofilm formation was noted among the majority of the isolates and may contribute to persistence under low levels of antibiotics. Nearly all of the isolates carried at least one canonical antibiotic resistance gene and many carried more than one. The erythromycin ribosomal methyltransferase (erm) gene class was found in 19 of 32 isolates, yet a number of these isolates exhibit little to no resistance to erythromycin. The erm genes were present in 15 isolates that encoded more than one antibiotic resistance mechanism, suggestive of potential genetic linkages.
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