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UID:776@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20150609T110000
DTEND;TZID=Europe/Paris:20150609T120000
DTSTAMP:20241211T151005Z
URL:https://www.i2m.univ-amu.fr/evenements/the-molecular-comparative-metho
 d-bayesian-integrative-models-of-macro-evolutionary-processes/
SUMMARY: (...): The molecular comparative method: Bayesian integrative mode
 ls of macro-evolutionary processes
DESCRIPTION:: Estimating divergence times\, understanding molecular evoluti
 onary mechanisms\, or testing macroevolutionary hypotheses about patterns 
 of diversification and morphological evolution\, are usually considered as
  separate research questions\, adressed by distinct\, although overlapping
 \, scientific communities. Yet\, many connections would deserve to be made
  between these various topics in evolutionary sciences. Over the last year
 s\, several attempts at integrating some of these various aspects of macro
 -evolutionary sciences have been made\, using hierarchical modeling approa
 ches. After reviewing them\, I will more specifically present a Bayesian f
 ramework for modeling the macroevolutionary process in an integrative mann
 er. This framework can be seen as a fusion between the classical comparati
 ve method and methods for divergence time estimation. Taking as an input a
  multiple sequence alignment\, data about life-history traits of extant sp
 ecies\, and fossil calibrations\, it then jointly estimates divergence tim
 es\, life-history evolution and correlations between substitution patterns
  and quantitative traits. Application of the method to placental mammals r
 eveals extensive correlations between life-history and molecular evolution
 \, providing stimulating observations for testing macroevolutionary hypoth
 eses.\n\n[https://lbbe.univ-lyon1.fr/-Lartillot-Nicolas-.html]&lt\;emb624|
 center&gt\;
CATEGORIES:Séminaire,Mathématiques-Évolution-Biologie
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DTSTART:20150329T030000
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