Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns
A precise inference of past demographic histories including dating of demographic events using Bayesian methods can only be achieved with the use of appropriate molecular rates and evolutionary models. Using a set of 596 mitochondrial cytochrome c oxidase I (COI) sequences of two sister species of E...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.287.3192 2023-05-15T16:41:00+02:00 Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns Ilaria A. M. Marino Jose Martin Pujolar Lorenzo Zane The Pennsylvania State University CiteSeerX Archives 2011 application/zip http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.287.3192 en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.287.3192 Metadata may be used without restrictions as long as the oai identifier remains attached to it. ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/d4/d3/PLoS_One_2011_Dec_2_6(12)_e28567.tar.gz text 2011 ftciteseerx 2016-01-07T21:20:56Z A precise inference of past demographic histories including dating of demographic events using Bayesian methods can only be achieved with the use of appropriate molecular rates and evolutionary models. Using a set of 596 mitochondrial cytochrome c oxidase I (COI) sequences of two sister species of European green crabs of the genus Carcinus (C. maenas and C. aestuarii), our study shows how chronologies of past evolutionary events change significantly with the application of revised molecular rates that incorporate biogeographic events for calibration and appropriate demographic priors. A clear signal of demographic expansion was found for both species, dated between 10,000 and 20,000 years ago, which places the expansions events in a time frame following the Last Glacial Maximum (LGM). In the case of C. aestuarii, a population expansion was only inferred for the Adriatic-Ionian, suggestive of a colonization event following the flooding of the Adriatic Sea (18,000 years ago). For C. maenas, the demographic expansion inferred for the continental populations of West and North Europe might result from a northward recolonization from a southern refugium when the ice sheet retreated after the LGM. Collectively, our results highlight the importance of using adequate calibrations and demographic priors in order to Text Ice Sheet Unknown |
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English |
description |
A precise inference of past demographic histories including dating of demographic events using Bayesian methods can only be achieved with the use of appropriate molecular rates and evolutionary models. Using a set of 596 mitochondrial cytochrome c oxidase I (COI) sequences of two sister species of European green crabs of the genus Carcinus (C. maenas and C. aestuarii), our study shows how chronologies of past evolutionary events change significantly with the application of revised molecular rates that incorporate biogeographic events for calibration and appropriate demographic priors. A clear signal of demographic expansion was found for both species, dated between 10,000 and 20,000 years ago, which places the expansions events in a time frame following the Last Glacial Maximum (LGM). In the case of C. aestuarii, a population expansion was only inferred for the Adriatic-Ionian, suggestive of a colonization event following the flooding of the Adriatic Sea (18,000 years ago). For C. maenas, the demographic expansion inferred for the continental populations of West and North Europe might result from a northward recolonization from a southern refugium when the ice sheet retreated after the LGM. Collectively, our results highlight the importance of using adequate calibrations and demographic priors in order to |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Ilaria A. M. Marino Jose Martin Pujolar Lorenzo Zane |
spellingShingle |
Ilaria A. M. Marino Jose Martin Pujolar Lorenzo Zane Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns |
author_facet |
Ilaria A. M. Marino Jose Martin Pujolar Lorenzo Zane |
author_sort |
Ilaria A. M. Marino |
title |
Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns |
title_short |
Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns |
title_full |
Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns |
title_fullStr |
Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns |
title_full_unstemmed |
Reconciling Deep Calibration and Demographic History: Bayesian Inference of Post Glacial Colonization Patterns |
title_sort |
reconciling deep calibration and demographic history: bayesian inference of post glacial colonization patterns |
publishDate |
2011 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.287.3192 |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/d4/d3/PLoS_One_2011_Dec_2_6(12)_e28567.tar.gz |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.287.3192 |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766031435594989568 |