An investigation of the evolutionary history of tuberculosis using ancient DNA

利用古代 DNA 研究结核病的进化史

基本信息

  • 批准号:
    1063939
  • 负责人:
  • 金额:
    $ 25.06万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-04-15 至 2015-03-31
  • 项目状态:
    已结题

项目摘要

Tuberculosis (TB) is a re-emerging infectious disease caused by the bacterium Mycobacterium tuberculosis and its close relatives, and it has a long history of affecting humans as shown by both historical data and lesions in skeletal remains. Recent molecular evidence indicates that M. tuberculosis is much older than previously thought, extending over three million years in the Old World and originating in Africa. The goal of this project is to analyze ancient DNA from skeletal samples dating before, during, and after the "Age of Exploration" that show evidence of tubercular bone lesions and integrate these data with data from modern strains of tuberculosis to assess the evolutionary history of tuberculosis and its effects on human history. The researchers will extract DNA from approximately 275 bone samples, test them for the presence of human and tuberculosis DNA, and then sequence the TB DNA. The data generated will be used to examine the relationship between TB strains in the Americas before and after European contact since it is hypothesized that European strains replaced those found in the Americas prior to contact. In addition, the investigators will assess the relationship between Asian (ancient and modern) TB strains and the strains present in the Americas prior to European contact, as well as assess whether the increase in prevalence of tuberculosis during the 17th and 18th centuries in Europe was due to the spread of new strains. Preliminary data indicate that about 17% of the samples contain TB DNA, and that the strains present in the Americas before European contact were different from the strains present today. This research will aid in the understanding of how human migration events and possible changes in the pathogenicity of M. tuberculosis over time have facilitated the spread of tuberculosis.
结核病(TB)是由结核分枝杆菌及其近亲引起的一种重新出现的传染病,从历史资料和骨骼残骸的病变来看,它对人类的影响历史悠久。最近的分子证据表明,结核分枝杆菌比以前认为的要古老得多,在旧大陆延续了300多万年,起源于非洲。该项目的目标是分析在“大航海时代”之前、期间和之后的骨骼样本中的古代DNA,这些样本显示了结核性骨病变的证据,并将这些数据与现代结核病菌株的数据相结合,以评估结核病的进化史及其对人类历史的影响。这组科学家将从大约275个骨骼样本中提取DNA,测试它们是否存在人类和结核病DNA,然后对结核病DNA进行测序。所产生的数据将用于检查欧洲接触前后美洲结核菌株之间的关系,因为假设欧洲菌株取代了接触前在美洲发现的菌株。此外,研究人员将评估亚洲(古代和现代)结核病菌株与欧洲接触之前出现在美洲的菌株之间的关系,并评估17和18世纪欧洲结核病流行率的增加是否由于新菌株的传播。初步数据表明,约17%的样本含有结核DNA,并且在与欧洲接触之前出现在美洲的菌株与今天出现的菌株不同。这项研究将有助于了解人类迁移事件和结核分枝杆菌致病性的可能变化如何随着时间的推移促进了结核病的传播。

项目成果

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科研奖励数量(0)
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Anne Stone其他文献

A Comparison of Survival Rates for Treatment of Melanoma Metastatic to the Brain
脑转移性黑色素瘤治疗存活率的比较
  • DOI:
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    Anne Stone;J. Cooper;K. Koenig;J. Golfinos;R. Oratz
  • 通讯作者:
    R. Oratz
An Examination of Organ Donation in the News: A Content Analysis From 2005-2010 of the Barriers to Becoming an Organ Donor
新闻中的器官捐献审视:2005-2010年器官捐献障碍的内容分析
  • DOI:
    10.5772/32665
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    0
  • 作者:
    B. Quick;Nicole R. LaVoie;Anne Stone
  • 通讯作者:
    Anne Stone

Anne Stone的其他文献

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{{ truncateString('Anne Stone', 18)}}的其他基金

Doctoral Dissertation Research: Ancient Genomics and the Molecular Mechanisms of Human Tolerance to Arsenic
博士论文研究:古代基因组学与人类砷耐受的分子机制
  • 批准号:
    2142160
  • 财政年份:
    2022
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
Doctoral Dissertation Research: The Zoonotic Origins of Tuberculosis Infection in the Pre-contact Americas
博士论文研究:接触前美洲结核病感染的人畜共患起源
  • 批准号:
    1945812
  • 财政年份:
    2020
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
EAGER: Collaborative Research: Proteomic Detection of Amelogenin Proteins for Biological Profiles
EAGER:合作研究:通过蛋白质组学检测牙釉蛋白的生物学特征
  • 批准号:
    1825055
  • 财政年份:
    2018
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
Doctoral Dissertation Improvement Award: DNA Analysis As A Tool For Understanding Population Movement
博士论文改进奖:DNA分析作为理解人口运动的工具
  • 批准号:
    1622479
  • 财政年份:
    2016
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
Ancient American tuberculosis: origin(s), spread, and replacement
古代美国结核病:起源、传播和替代
  • 批准号:
    1515163
  • 财政年份:
    2015
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Continuing Grant
Doctoral Dissertation Improvement: The origins and dispersal of ancient leishmaniasis in the New World: A bioarchaeological and molecular approach
博士论文改进:新大陆古代利什曼病的起源和传播:生物考古学和分子方法
  • 批准号:
    1232582
  • 财政年份:
    2012
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
Doctoral Dissertation Improvement Grant: Primate Interspecific Interactions
博士论文改进补助金:灵长类动物种间相互作用
  • 批准号:
    1061508
  • 财政年份:
    2011
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
Evolutionary history of tuberculosis: An ancient DNA approach
结核病的进化史:古老的 DNA 方法
  • 批准号:
    0612222
  • 财政年份:
    2006
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Continuing Grant
Doctoral Dissertation Research: Genetic Adaptation to Disease: Tuberculosis Susceptibility in Native South Americans
博士论文研究:疾病的遗传适应:南美洲原住民的结核病易感性
  • 批准号:
    0334849
  • 财政年份:
    2004
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Standard Grant
Genetic history of Peru
秘鲁的遗传史
  • 批准号:
    0242958
  • 财政年份:
    2003
  • 资助金额:
    $ 25.06万
  • 项目类别:
    Continuing Grant

相似国自然基金

经济复杂系统的非稳态时间序列分析及非线性演化动力学理论
  • 批准号:
    70471078
  • 批准年份:
    2004
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潘属的进化史:利用 Y 染色体的分子研究
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