期刊
FRONTIERS IN MICROBIOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2022.928346
关键词
mammary pathogenic Escherichia coli; antimicrobial resistance; virulence; cattle; mastitis pathogenesis; host-pathogen interaction; milk; immune response
类别
This article provides a comprehensive review of mastitis caused by mammary pathogenic Escherichia coli (MPEC), including information on the types of mastitis, host immune response, diagnosis, treatment, and control of the disease. It also discusses the virulence factors and antimicrobial resistance of MPEC, as well as the challenges posed by MPEC as a new pathotype. The information presented in this review is critical for identifying knowledge gaps and guiding future research and therapeutic interventions for this significant dairy disease.
Bovine mastitis is an inflammation of the udder tissue parenchyma that causes pathological changes in the glandular tissue and abnormalities in milk leading to significant economic losses to the dairy industry across the world. Mammary pathogenic Escherichia (E.) coli (MPEC) is one of the main etiologic agents of acute clinical mastitis in dairy cattle. MPEC strains have virulence attributes to resist the host innate defenses and thrive in the mammary gland environment. The association between specific virulence factors of MPEC with the severity of mastitis in cattle is not fully understood. Furthermore, the indiscriminate use of antibiotics to treat mastitis has resulted in antimicrobial resistance to all major antibiotic classes in MPEC. A thorough understanding of MPEC's pathogenesis and antimicrobial susceptibility pattern is required to develop better interventions to reduce mastitis incidence and prevalence in cattle and the environment. This review compiles important information on mastitis caused by MPEC (e.g., types of mastitis, host immune response, diagnosis, treatment, and control of the disease) as well as the current knowledge on MPEC virulence factors, antimicrobial resistance, and the dilemma of MPEC as a new pathotype. The information provided in this review is critical to identifying gaps in knowledge that will guide future studies to better design diagnostic, prevent, and develop therapeutic interventions for this significant dairy disease.
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