相关实验视频

Updated: May 14, 2025

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Published on: July 11, 2015

重温Mycobacterium bovis SB0121的遗传多样性反映了西班牙牛结核病持续存在背后的复杂性

Víctor Lorente-Leal¹, Pilar Pozo¹, Javier Bezos²

¹VISAVET Health Surveillance Centre, Universidad Complutense de Madrid, Spain.

Preventive veterinary medicine

|April 11, 2025

概括

在西班牙牛群中对Mycobacterium bovis的基因组分析揭示了复杂的传播动态和潜在的野生动物联系,这有助于结核病的持续性. 全基因组测序有助于理解牛结核病 (bTB) 的细分.

科学领域:

兽医微生物学兽医微生物学
基因组学就是基因组学.
流行病学流行病学

背景情况:

由于多种因素和Mycobacterium tuberculosis复杂的克隆结构,牛结核病 (bTB) 在牛中的慢性是具有挑战性的.
在西班牙,M. bovis的SB0121基因型是最常见的,这复杂化了控制持续群体感染的努力.

研究的目的:

评估慢性感染的西班牙牛群中M. bovis SB0121分离物的基因组多样性.
通过使用全基因组测序来调查牛和野生动物之间的潜在传播事件.

主要方法:

测序了来自西班牙六个省份22个慢性感染群体的70个M. bovis分离物.
包括43个来自相关市镇的牛和野生动物的分离物,以确定本地传播.
使用单核酸多态 (SNP) 来推断关系和传播的基因组多样性的分析.

主要成果:

群体内部分析显示,基因组多样性很高,大多数群体 (95.45%) 感染了不同的菌株,这表明多次引入.
在采样事件中,11个群 (45.8%) 具有非常相似的分离物 (<6个SNP),表明活动传播或持续暴露.
在共享或邻近的市镇中,牛和野生动物之间的流行病学联系被建议.

结论:

全基因组测序是研究牛群bTB分解的宝贵工具.
基因组多样性和潜在的牛野生动物接口是西班牙牛群中bTB持续存在的关键因素.
了解这些动态对于制定有效的牛结核控制策略至关重要.

关键词:

动物结核病动物结核病生物信息学是一种生物信息学.牛结核是牛结核的一种疾病.基因组流行病学基因组流行病学一个健康,一个健康.结核病的持续性整个基因组的测序.

更多相关视频

Modeling Tuberculosis in Mycobacterium marinum Infected Adult Zebrafish

Modeling Tuberculosis in Mycobacterium marinum Infected Adult Zebrafish

Published on: October 8, 2018

Enrichment of Native and Recombinant Extracellular Vesicles of Mycobacteria

Enrichment of Native and Recombinant Extracellular Vesicles of Mycobacteria

Published on: December 8, 2023

相关概念视频

Genomic DNA in Prokaryotes

Genomic DNA in Prokaryotes

The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...

Pulmonary Tuberculosis II

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...

Pulmonary Tuberculosis I

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...