Ancient bacterial DNA (aDNA) in dental calculus from archaeological human remains

被引:43
作者
Preus, Hans R. [1 ]
Marvik, Ole J. [2 ]
Selvig, Knut A. [3 ]
Bennike, Pia [4 ]
机构
[1] Univ Oslo, Fac Dent, Dept Periodontol, Inst Clin Odontol, N-0317 Oslo, Norway
[2] Affitech AS, Oslo, Norway
[3] Univ Bergen, Fac Dent, Dept Anat, N-5020 Bergen, Norway
[4] Univ Copenhagen, Saxo Inst, DK-1168 Copenhagen, Denmark
关键词
Bacteria; Dental calculus; Transmission electron microscopy; Bioarchaeology; Immunolabeling; PERIODONTAL-DISEASE; OPAL PHYTOLITHS; PCR; CONTAMINATION;
D O I
10.1016/j.jas.2011.03.020
中图分类号
Q98 [人类学];
学科分类号
030303 ;
摘要
The purpose of this study was to identify reactive bacterial aDNA in archaeological human dental calculus. Dental calculus was collected from a middle/late Neolithic human skull from Hulbjerg passage grave, Langeland, Denmark and prepared for transmission electron microscopy (TEM) or gold-labeled antibody TEM. TEM showed calcified, as well as non-calcified bacteria. Immunogold labeling occurred over the cytoplasmic portions of the sectioned bacteria. The result demonstrated that it is possible to identify aDNA sequences from bacteria in archaeological material of considerable age by this technique. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1827 / 1831
页数:5
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