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Ancient genetic material from caries bacterium obtained for the first time
Date:7/23/2014

, but we might actually be witnessing the continuation of this process. In the future, we hope to be able to work with even older samples in order to corroborate our hypothesis".

The study opens up the possibility of providing evidence for the historical relationship between caries and human beings as well as ascertaining the ways in which distinct historical moments may have affected this; additionally, it makes it possible to reconstruct the dietary habits of the ancient population or of the population movements that took place.

For Assumpci Malgosa, researcher in Biological Anthropology at the UAB and coordinator of this research, "it is important to know how the gene varied in the past in order to predict models of evolution for caries virulence, to know whether these changes were a response brought about in order to adapt better to changing environments or even to other parts of the human body, such as the gastrointestinal tract, or if they changed to become resistant when conditions of hygiene improved, etc. Knowing how they reacted in the past in different situations can provide us with an idea of how they will do so in the future in similar circumstances".


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Contact: Maria Jesus Delgado
MariaJesus.Delgado@uab.cat
34-935-814-049
Universitat Autonoma de Barcelona
Source:Eurekalert  

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