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Microbial Diversity in Milk of Women With Mastitis: Potential Role of Coagulase-Negative Staphylococci, Viridans Group Streptococci, and Corynebacteria / Pilar Mediano in Journal of Human Lactation, Vol. 33, n°2 (Mai 2017)
Titre : Microbial Diversity in Milk of Women With Mastitis: Potential Role of Coagulase-Negative Staphylococci, Viridans Group Streptococci, and Corynebacteria Type de document : texte imprimé Auteurs : Pilar Mediano, Auteur ; Leonides Fernandez, Auteur ; Esther Jimenez, Auteur Année de publication : 2017 Article en page(s) : pp. 309-318 Langues : Anglais (eng) Catégories : Bactérie
Composition du lait
Résumé : "Background:
Lactational mastitis constitutes a significant cause of premature weaning. However, its etiology, linked to the presence of pathogenic microorganisms, has been scarcely reported.
The aim of this study was to describe the microbial diversity in milk samples from women suffering from lactational mastitis and to identify more accurately a collection of isolates belonging to coagulase-negative staphylococci, streptococci, and coryneform bacteria.
This is a cross-sectional descriptive one-group study. A total of 5,009 isolates from 1,849 mastitis milk samples was identified by culture, biochemical, and/or molecular methods at the species or genus level. A more precise identification of a collection of 211 isolates was carried out by 16S rRNA gene sequencing.
Mean total bacterial count in milk samples was 4.11 log10 colony-forming units/ml, 95% confidence interval [4.08, 4.15]. Staphylococcus epidermidis was the most common species being isolated from 91.56% of the samples, whereas Staphylococcus aureus was detected in 29.74%. Streptococci and corynebacteria constituted the second (70.20%) and third (16.60%) most prevalent bacterial groups, respectively, found in this study. In contrast, Candida spp. was present in only 0.54% of the samples. Sequencing of the 16S rRNA gene revealed a high diversity of bacterial species among identified isolates.
Many coagulase-negative staphylococci, viridans group streptococci, and corynebacteria, usually dismissed as contaminant bacteria, may play an important role as etiologic agents of mastitis. Proper diagnosis of mastitis should be established after performing microbiological testing of milk based on standardized procedures. A reliable analysis must identify the mastitis-causing pathogen(s) at the species level and its(their) concentration(s)." [Résumé de l'auteur]
in Journal of Human Lactation > Vol. 33, n°2 (Mai 2017) . - pp. 309-318[article]n°136 - Juillet 2018 (Bulletin de Les Dossiers de l'Allaitement)
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Code-barres Cote Support Localisation Section Disponibilité aucun exemplaireWhy bacteria are the basis of breastfeeding / Steven LIN in Breastfeeding Review, Vol.24, n°1 (mars 2016)
Titre : Why bacteria are the basis of breastfeeding Type de document : document cartographique imprimé Auteurs : Steven LIN, Auteur Année de publication : 2016 Langues : Anglais (eng) Catégories : Bactérie Note de contenu : "The role of breastfeeding in a child's lifelong health has long been appreciated (Goldman, 1993). The nutritional, immunological and emotional benefits that breastfeeding provides make it the most intimate of maternal gifts. However, recent discoveries are revealing even deeper connections showing why breastfeeding is far more precious than we first thought". [extrait de l'artcile] Permalink :
in Breastfeeding Review > Vol.24, n°1 (mars 2016)[article]