Genotyping of ancient Mycobacterium tuberculosis strains reveals historic genetic diversity.

Genotyping of ancient Mycobacterium tuberculosis strains reveals historic genetic diversity.
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古代结核分枝杆菌菌株的基因分型揭示了历史上的遗传多样性。

DOI:
10.1098/rspb.2013.3236
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发表时间:
2014-04-22
期刊:
Proceedings. Biological sciences
影响因子:
--
通讯作者:
Brown TA
Brown TA
中科院分区:
其他
文献类型:
--
作者:
Müller R;Roberts CA;Brown TA

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结核分枝杆菌复合体(MTBC)的进化史之前已通过分析现存菌株的序列多样性进行了研究,但并未通过直接检查考古遗迹中的菌株基因型来解决。在这里,我们使用古代 DNA 测序来分型 MTBC 菌株中的 11 个单核苷酸多态性和两个大序列多态性,这些菌株存在于来自英国和欧洲骨骼的 10 个考古样本中,其年代可以追溯到公元 2-19 世纪。结果使我们能够将菌株分配到现有 MTBC 中识别的分组和谱系中。我们表明,至少在公元十八世纪至十九世纪,属于不同基因组的结核分枝杆菌菌株同时存在于英国,甚至可能出现在一个地点,并且我们提供了至少一个个体发生混合感染的证据。我们的研究表明,应用于多个样本的古代 DNA 分型可以提供足够详细的信息,为结核病历史的考古学和进化知识做出贡献。
The evolutionary history of the Mycobacterium tuberculosis complex (MTBC) has previously been studied by analysis of sequence diversity in extant strains, but not addressed by direct examination of strain genotypes in archaeological remains. Here, we use ancient DNA sequencing to type 11 single nucleotide polymorphisms and two large sequence polymorphisms in the MTBC strains present in 10 archaeological samples from skeletons from Britain and Europe dating to the second–nineteenth centuries AD. The results enable us to assign the strains to groupings and lineages recognized in the extant MTBC. We show that at least during the eighteenth–nineteenth centuries AD, strains of M. tuberculosis belonging to different genetic groups were present in Britain at the same time, possibly even at a single location, and we present evidence for a mixed infection in at least one individual. Our study shows that ancient DNA typing applied to multiple samples can provide sufficiently detailed information to contribute to both archaeological and evolutionary knowledge of the history of tuberculosis.
DOI: 10.1038/nature10549
发表时间: 2011-10-12
期刊: NATURE
影响因子: 64.8
作者:
Bos, Kirsten I.;Schuenemann, Verena J.;Golding, G. Brian;Burbano, Hernan A.;Waglechner, Nicholas;Coombes, Brian K.;McPhee, Joseph B.;DeWitte, Sharon N.;Meyer, Matthias;Schmedes, Sarah;Wood, James;Earn, David J. D.;Herring, D. Ann;Bauer, Peter;Poinar, Hendrik N.;Krause, Johannes
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DOI: 10.1002/ajpa.1330720102
发表时间: 1987-01-01
影响因子: 2.8
作者:
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通讯作者: SCARSINI, C