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Factors Affecting the Risk of Infection

Factors Affecting the Risk of Infection

The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...

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Updated: Jun 4, 2025

Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection

Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection

Published on: November 18, 2022

在Clostridioides difficile殖民期间,共生病原体动态结构疾病结果.

Skye R S Fishbein¹, Anna L DeVeaux², Sakshi Khanna¹

¹The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA; Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, MO, USA.

Cell host & microbe

|December 28, 2024

概括

肠道微生物组可以预防严重的Clostridioides difficile感染 (CDI) 结果,即使有殖民. 一个多样化的肠道社区可以防止C. difficile的毒性,而不会消除细菌.

关键词:

克洛斯特里迪奥伊德斯困难菌胃肠道感染的发生.我们的肠道微生物组.

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Last Updated: Jun 4, 2025

Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection

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科学领域:

微生物学微生物学
胃肠病学胃肠病学
系统生物学系统生物学

背景情况:

在医疗保健机构中,Clostridioides difficile的殖民是常见的.
困难菌殖民的临床结果各不相同,从无症状的携带到严重的困难菌感染 (CDI).

研究的目的:

研究影响C. difficile殖民患者不同临床结果的因素.
了解肠道微生物群在调节C. difficile毒性和疾病严重性的作用.

主要方法:

系统生物学方法使用无菌小鼠的微生物群人性化.
来自有毒的C. difficile携带者的便样本被用于微生物群转移.
基因生物小鼠被植入了定义的人类微生物群,并受到C. difficile菌株的挑战.

主要成果:

在C. difficile clade 1系系中观察到一种毒性谱.
包括Blautia在内的候选种类被确定为稳定的C. difficile殖民的标志物.
一个广泛代表殖民患者的人类微生物群体保护小鼠免受严重的CDI,而不会抑制C. difficile殖民.

结论:

肠道社区结构可以减轻多种C. difficile菌株的毒性,而不会阻止殖民.
这突显了稳定的肠道微生物组对严重的C. difficile疾病的保护能力.
了解这些决定因素对于管理C. difficile携带和感染至关重要.