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Information from ancient teeth could reveal new insights about the past There s a surprising amount of information stored in the hardened plaque, or calculus, between teeth. And if that calculus belongs to the remains of a person who lived in ancient times, the information could reveal new insights about the past. But the tiny samples can be difficult to work with. Now, in ACS Journal of Proteome Research, scientists apply a new method to this analysis, finding more proteins than traditional approaches. The human mouth is full of interesting molecules: DNA and enzymes in saliva, proteins and lipids from bits of food stuck between teeth, the bacterial citizens of the oral microbiome. Under the right conditions, those molecules can be preserved in dental calculus for thousands of years.

Michael buckleyKarren palmerCheryl makarewiczEmily hendersonJournal of proteome researchProteome researchமைக்கேல் பக்லிக்யாரந் பாமர்எமிலி ஹென்டர்சன்