The real significance of ancient DNA
نویسندگان
چکیده
منابع مشابه
Ancient DNA: Would the Real Neandertal Please Stand up?
Mitochondrial DNA sequences recovered from eight Neandertal specimens cannot be detected in either early fossil Europeans or in modern populations. This indicates that, if Neandertals made any genetic contribution at all to modern humans, it must have been limited, though the extent of the contribution cannot be resolved at present.
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Research on ancient DNA (aDNA) has the potential to enable molecular biologists and archeologists to decipher certain aspects of history by direct looking into the past. However, several major problems in this field limit the applicability of aDNA studies, most importantly contamination with modern DNA and postmortem DNA degradation. In this study we extracted and analyzed aDNA obtained from ~3...
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15 صفحه اولAncient DNA
Ancient DNA is a field of molecular evolutionary biology that usesDNA sequence data recovered frompoorly preserved organisms, usually deceased for hundreds to hundreds of thousands of years. Ancient DNA data can provide unique snapshots in time to better understand how populations and species evolve. The field was born in the early 1980s,when thefirst ancientDNAsequences were recovered from pre...
متن کاملEpigenetics of Ancient DNA
Initially, the study of DNA isolated from ancient specimens had been based on the analysis of the primary nucleotide sequence. This approach has allowed researchers to study the evolutionary changes that occur in different populations and determine the influence of the environment on genetic selection. However, the improvement of methodological approaches to genome-wide analysis has opened up n...
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ژورنال
عنوان ژورنال: American Journal of Botany
سال: 2017
ISSN: 0002-9122,1537-2197
DOI: 10.3732/ajb.1700073