Genealogical inferences from modern and aDNA


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PostPosted: Sun Feb 24, 2013 8:27 pm
Silvia Ghirotto, Genealogical inferences based on comparison of modern and ancient DNA, PhD Thesis , Università degli studi di Ferrara (2012) is now online. Some of the material from it is published already, but it includes a paper on the Etruscans which is pending publication.
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YDNA:
R1b-DF13-L69.4
MtDNA:
U6a7a1
PostPosted: Tue Feb 26, 2013 9:39 am
JeanM wrote:Silvia Ghirotto, Genealogical inferences based on comparison of modern and ancient DNA, PhD Thesis , Università degli studi di Ferrara (2012) is now online. Some of the material from it is published already, but it includes a paper on the Etruscans which is pending publication.

Clio Der Sarkissian used equivalent methods to compare ancient DNA in North-East Europe and modern DNA. She analyzed Bayesian Serial SimCoal (BayeSSC) coalescent simulations using Approximate Bayesian Computation (ABC) and tested whether discontinuity could be better explained by genetic drift or by migration. The best fit being obtained for the model involving 10% of migrants over the last 7,500 years. See her paper: http://www.plosgenetics.org/article/rel ... 8923413324
The paper about Etruscan ancient DNA of Silvia Ghirotto is published here: http://www.plosone.org/article/info%3Ad ... ne.0055519

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PostPosted: Tue Feb 26, 2013 9:47 am
Thank you Bernard.

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PostPosted: Wed Apr 17, 2013 2:52 am
I commented on the Etruscan paper here. Most of the ancient Etruscan samples appeared to be either U5 or JT, or uncertain, and it is apparent that they missed quite a few mutations that should have been present in the U5 samples, which suggests that the none of the ancient DNA results are very reliable. My opinion is that they really need to attempt a full sequence for ancient mtDNA. The short segment of the control region is too uncertain, and in not especially useful even if they can sequence it accurately.

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