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https://www.arca.fiocruz.br/handle/icict/32181
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ArtigoDireito Autoral
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Data de embargo
2022-01-01
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- IOC - Artigos de Periódicos [12596]
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EVALUATING CHLOROPLAST DNA IN PREHISTORIC TEXAS COPROLITES: MEDICINAL, DIETARY, OR AMBIENT ANCIENT DNA?
Concentração de pólen
Zooarqueologia
Resíduo da planta ambiental
Coprólito
Pollen concentration
Zooarchaeology
Ambient plant residue
Coprolite
Afiliação
University of Nebraska Lincoln. School of Natural Resources. Lincoln, NE, USA.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sérgio Arouca. Laboratório de Ecologia. Rio de Janeiro, RJ, Brasil.
Washington State University. Department of Anthropology. Pullman, WA, USA.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Genética Molecular de Microorganismos. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sérgio Arouca. Laboratório de Ecologia. Rio de Janeiro, RJ, Brasil.
Washington State University. Department of Anthropology. Pullman, WA, USA.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Genética Molecular de Microorganismos. Rio de Janeiro, RJ. Brasil.
Resumo em Inglês
Molecular analysis of coprolites from Hinds Cave, Texas recovered chloroplast DNA sequences. The sequences were interpreted as evidence
of diet. We analyzed 19 Hinds Cave coprolites to evaluate the potential sources of the chloroplast DNA (cpDNA) and compared our results to
previous studies. This review shows that some cpDNA sequences could be from well-known prehistoric plants foods. Some other sequences
could have come from ambient plant material in the guts of small animals eaten by humans in antiquity. Using pollen concentration analysis,
we identify sources of ambient plant material which could have been inhaled or imbibed. It is even possible that cpDNA sequences are from
proplastids within ambient pollen grains themselves. However, three sequence types cannot be explained as resulting from only dietary or ambient
sources. We suggest instead that these might be from medicinal or hallucinogenic plants. We compared these three sequences to existing
sequences in the GenBank. We found that these sequences are 100% matches for Rhamnus, Fouquieria, and Solanum.
Palavras-chave
Biologia molecularConcentração de pólen
Zooarqueologia
Resíduo da planta ambiental
Coprólito
Palavras-chave em inglês
Molecular biologyPollen concentration
Zooarchaeology
Ambient plant residue
Coprolite
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