Ancient DNA Analysis
Ancient DNA analysis recovers genetic information from the degraded remains of past organisms — human and animal bones and teeth, and increasingly sediments — and uses it to reconstruct kinship, ancestry, population history, sex, pathogens, and domestication. Because DNA fragments into ever-shorter pieces and accumulates characteristic chemical damage after death, and because a handful of modern molecules can swamp the few authentic ones, the field is defined less by sequencing itself than by an exacting protocol of clean-lab extraction, contamination control, and authentication. The foundational reviews by Svante Paabo and colleagues set out the principles that distinguish genuine ancient sequences from contaminants, and the move to next-generation sequencing transformed aDNA from a fragile curiosity into a routine source of genome-scale data.
Catatan sumber
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- Paabo, S., et al. (2004). Genetic Analyses from Ancient DNA. Annual Review of Genetics, 38, 645-679. · DOI 10.1146/annurev.genet.37.110801.143214
- Hofreiter, M., Serre, D., Poinar, H. N., Kuch, M., & Paabo, S. (2001). Ancient DNA. Nature Reviews Genetics, 2(5), 353-359. · DOI 10.1038/35072071
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