In vitro ability of mastitis causing pathogens to form biofilms

The Journal of Dairy Research
Sarah SchönbornVolker Krömker

Abstract

This Research Communication describes the study of in vitro biofilm formation of mastitis causing pathogens. Biofilms are communities of bacteria that are attached to a surface and to each other and are embedded in a self-produced matrix of extracellular polymeric substances. Biofilm formation is an important virulence factor that may result in recurrent or persistent udder infections and treatment failure through increased resistance to antibiotics and protection against host defences. In the present study 252 bacterial isolates from milk samples from bovine udder quarters with intramammary infections were examined with Congo Red agar (CRA) method and tube method (TM) for their ability to form biofilms. Both tests revealed a high number of biofilm-positive strains. Literature reports that the cure rates for Staphylococcus aureus infected udders are lower (27%) in comparison to cure rates of Streptococcus uberis (64-81%) or coagulase-negative staphylococci (CNS) mastitis (80-90%). The findings of the present study suggest that biofilm formation is not the main factor for the differences in cure rates of the various bacteria genera, because all tested pathogen groups showed a similarly high proportion of biofilm formation. Furth...Continue Reading

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Jan 17, 2015·BMC Veterinary Research·Mary Hellen Fabres-KleinAndrea de Oliveira Barros Ribon

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Citations

Aug 20, 2019·The Journal of Dairy Research·Natalia G C VasileiouGeorge C Fthenakis
Jun 26, 2020·Frontiers in Microbiology·M Nazmul HoqueM Anwar Hossain
Feb 25, 2020·Journal of Dairy Science·Jonathan MasséMarie Archambault
Jun 10, 2021·Applied and Environmental Microbiology·Mariana Pérez-IbarrecheColin Hill
Sep 12, 2019·Journal of Agricultural and Food Chemistry·Yu ChenMeng-Yao Guo

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