Secondary Staphylococcus aureus intramammary colonization is reduced by non-aureus staphylococci exoproducts

被引：3
|
作者：
Brouillette, Eric [1 ,3 ]
Goetz, Coralie [2 ,3 ]
Droppa-Almeida, Daniela [1 ,3 ]
Chamberland, Suzanne [1 ]
Jacques, Mario [2 ,3 ]
Malouin, Francois [1 ,3 ]
机构：
[1] Univ Sherbrooke, Fac Sci, Dept Biol, Sherbrooke, PQ J1K 2R1, Canada
[2] Univ Montreal, Fac Med Vet, Dept Pathol & Microbiol, St Hyacinthe, PQ J2S 2M2, Canada
[3] Canadian Mastitis Network & Regrp Rech Lait Quant, St Hyacinthe, PQ J2S 2M2, Canada
来源：
MICROBES AND INFECTION | 2022年 / 24卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Staphylococcus aureus; Mastitis; Non-aureus staphylococci; NAS; CNS; COAGULASE-NEGATIVE STAPHYLOCOCCI; SOMATIC-CELL COUNT; BIOFILM FORMATION; MASTITIS PATHOGENS; INFECTIONS; IDENTIFICATION; EPIDEMIOLOGY; PREVALENCE; UDDER;
D O I：
10.1016/j.micinf.2021.104879
中图分类号：
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号：
100102 ;
摘要：
Non-aureus staphylococci (NAS) and Staphylococcus aureus are pathogens that cause bovine mastitis, a costly disease for dairy farmers, however; many NAS are considered part of the normal udder microbiota. It has been suggested that through a mechanism that remains to be elucidated, NAS intramammary colonization can prevent subsequent infection with other bacterial pathogens. This study shows that in a murine mastitis model, secondary Staph. aureus intramammary colonization is reduced by exoproducts from Staph. chromogenes and Staph. simulans, both NAS, while Streptococcus spp. exoproducts have much less ability to affect the course of the infection caused by S. aureus.(c) 2021 Institut Pasteur. Published by Elsevier Masson SAS. All rights reserved.
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页数：6
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