Publication: In Vitro Interaction between Mycoplasma agalactiae and Small Ruminants’ Endogenous Bacterial Strains of
Enterococcus spp. and Coagulase-Negative Staphylococcus
Authors
Toquet, Marion ; Bataller, Esther ; Toledo Perona, Raquel ; Gomis, Jjesús ; Contreras de Vera, Antonio ; Sánchez, Antonio ; Jiménez Trigos, Estrella ; Gómez Martín, Ángel
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Publisher
Multidisciplinary Digital Publishing Institute (MDPI)
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DOI
https://doi.org/10.3390/microorganisms12020406
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info:eu-repo/semantics/article
Description
©2024. The authors. This manuscript version is made available under the CC-BY license http://creativecommons.org/licenses/by-nc-nd/4.0/. This document is the Published, version of a Published Work that appeared in final form in Microorganism. To access the final edited and published work see https://doi.org/10.3390/microorganisms12020406
Abstract
Recently, an antimicrobial effect on Mycoplasma agalactiae (Ma), the main etiological agent of contagious agalactia (CA), was reported in vitro with strains of Enterococcus spp. from ovine and caprine milk. The aim of this work was to evaluate the interaction of Ma with the same Enterococcus spp. isolated from other anatomical locations (vagina) and other bacterial populations present in milk, such as coagulase-negative staphylococci (CNS). The vaginal Enterococcus strains and the raw milk CNS were isolated from sheep and goats. Experimental in vitro conditions were prepared to assess the growth of Ma with and without the presence of these strains. The selected vaginal strains were identified as Enterococcus (E.) hirae and E. mundtii, and the strains of CNS were identified as Staphylococcus petrasii. Different interactions of Ma with ovine and caprine wild vaginal strains of Enterococcus and dairy strains of CNS are described for the first time: Ma can grow exponentially during 15 h with the selected strains, although with certain strains, its optimal growth can be negatively affected (p< 0.05). The colonization and/or excretion of Ma could, therefore, be influenced by certain endogenous bacterial strains. Our results increase the knowledge about possible bacterial ecology dynamics surrounding CA.
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