Abstract：
:Ancient human remains of paleopathological interest typically contain highly degraded DNA in which pathogenic taxa are often minority components, making sequence-based metagenomic characterization costly. Microarrays may hold a potential solution to these challenges, offering a rapid, affordable, and highly informative snapshot of microbial diversity in complex samples without the lengthy analysis and/or high cost associated with high-throughput sequencing. Their versatility is well established for modern clinical specimens, but they have yet to be applied to ancient remains. Here we report bacterial profiles of archaeological and historical human remains using the Lawrence Livermore Microbial Detection Array (LLMDA). The array successfully identified previously-verified bacterial human pathogens, including Vibrio cholerae (cholera) in a 19th century intestinal specimen and Yersinia pestis ("Black Death" plague) in a medieval tooth, which represented only minute fractions (0.03% and 0.08% alignable high-throughput shotgun sequencing reads) of their respective DNA content. This demonstrates that the LLMDA can identify primary and/or co-infecting bacterial pathogens in ancient samples, thereby serving as a rapid and inexpensive paleopathological screening tool to study health across both space and time.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Devault AM,McLoughlin K,Jaing C,Gardner S,Porter TM,Enk JM,Thissen J,Allen J,Borucki M,DeWitte SN,Dhody AN,Poinar HNdoi
10.1038/srep04245subject
Has Abstractpub_date
2014-03-06 00:00:00pages
4245issn
2045-2322pii
srep04245journal_volume
4pub_type
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