2018
DOI: 10.1038/s41396-018-0146-5
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Competitive inter-species interactions underlie the increased antimicrobial tolerance in multispecies brewery biofilms

Abstract: Genetic diversity often enhances the tolerance of microbial communities against antimicrobial treatment. However the sociobiology underlying this antimicrobial tolerance remains largely unexplored. Here we analyze how inter-species interactions can increase antimicrobial tolerance. We apply our approach to 17 industrially relevant multispecies biofilm models, based on species isolated from 58 contaminating biofilms in three breweries. Sulfathiazole was used as antimicrobial agent because it showed the highest … Show more

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Cited by 54 publications
(49 citation statements)
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References 93 publications
(176 reference statements)
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“…These results contribute to the knowledge on the behavior of bacterial strain interactions in dual-species biofilm, showing that interactions can contribute to competition and cooperation, increasing antimicrobial tolerance (Parijs and Steenackers, 2018).…”
Section: Experiments 3 and 4: Effect Of Pre-adhered Cells In Dual-spesupporting
confidence: 52%
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“…These results contribute to the knowledge on the behavior of bacterial strain interactions in dual-species biofilm, showing that interactions can contribute to competition and cooperation, increasing antimicrobial tolerance (Parijs and Steenackers, 2018).…”
Section: Experiments 3 and 4: Effect Of Pre-adhered Cells In Dual-spesupporting
confidence: 52%
“…Although L. monocytogenes cells adhered, the count did not reach the minimum value to be considered biofilm (5 log CFU/cm 2 ) (Ronner and Wong, 1993). This behavior confirms that the presence of antagonistic substance reduces competition and affects the prevalence of some species (Parijs and Steenackers, 2018).…”
Section: Experiments 3 and 4: Effect Of Pre-adhered Cells In Dual-spementioning
confidence: 71%
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“…For example, Parijs and Steeenackers. have shown that microbial contamination after the CIP process in several breweries was reduced by less than 75% in 52% of the samples and was even increased in 24% of the samples, indicating that CIP is insufficient, and improving antimicrobial treatments is essential (Parijs and Steenackers, 2018). A high proportion of Pseudomonas sp.…”
Section: Enzymatic Cleaningmentioning
confidence: 99%
“…Bacteria embedded in a biofilm are 100-1000 times more resistant to cleaning and sanitizing chemicals than the corresponding planktonic cells (Gilbert et al, 2002). Nevertheless, CIP procedures still leave residual microorganisms on equipment surfaces, thus resulting in biofilm formation (Bremer et al, 2006;Kumari and Sarkar, 2016;Parijs and Steenackers, 2018). The time it takes for biofilm to form depends on the frequency of cleaning and disinfection regimes: if there is a long period between cleaning/disinfection treatments, then there is more time for biofilm to form on surfaces (Gibson et al, 1999).…”
Section: Introductionmentioning
confidence: 99%