[Evolution_RU] Journal Club in Evolution, May 11: Jody Hey will talk about his new IM model

Lena Struwe struwe at AESOP.Rutgers.edu
Sun May 10 22:41:17 EDT 2009


Reminder - 12.30 PM tomorrow, Monday.  See you there/ Lena

Lena Struwe wrote:
> The last meeting of the Cook Campus' *Journal Club in Evolution* this 
> semester will be at *12.30-2 PM on May 11 (Monday)* in *262 Foran Hall 
> *in Dept of Plant Biology and Pathology, Cook Campus.  No need to 
> RSVP, just show up whenever you are available. Come, discuss, and 
> learn more.  All faculty and students are invited. This is a brown bag 
> journal club this semester, so feel free to bring your lunch.  We have 
> a microwave and coffee and tea available in the room. (At 4 PM the 
> same day is the last of the Observing Evolution socials, so you can 
> have a whole afternoon chatting about evolution if you like! More 
> about that in a separate message.)
>
> The topic this day will be a presentation by our colleague Jody Hey 
> from the Genetics department and he will lead a discussion based on 
> his  paper (attached) in population biology:
>
> Hey, J. & R. Nielsen. 2004. Multilocus Methods for Estimating 
> Population Sizes, Migration Rates and Divergence Time, With 
> Applications to the Divergence of Drosophila pseudoobscura and D. 
> persimilis. Genetics 167: 747--760
>
> Abstract: The genetic study of diverging, closely related populations 
> is required for basic questions on demography and speciation, as well 
> as for biodiversity and conservation research. However, it is often 
> unclear whether divergence is due simply to separation or whether 
> populations have also experienced gene flow. These questions can be 
> addressed with a full model of population separation with gene flow, 
> by applying aMarkov
> chain Monte Carlo method for estimating the posterior probability 
> distribution of model parameters. We have generalized this method and 
> made it applicable to data from multiple unlinked loci. These loci can 
> vary in their modes of inheritance, and inheritance scalars can be 
> implemented either as constants or as parameters to be estimated. By 
> treating inheritance scalars as parameters it is also possible to 
> address variation among loci in the impact via linkage of recurrent 
> selective sweeps or background selection. These methods are applied to 
> a large multilocus data set from Drosophila pseudoobscura and D. 
> persimilis. The species are estimated to have diverged 500000 years 
> ago. Several loci have nonzero estimates of gene flow since the 
> initial separation of the species, with considerable variation in gene 
> flow estimates among loci, in both directions between the species.
>
> See you on Monday!
>
> Best
>
> Lena & Karl
>
> PS.  Please forward this e-mail to any interested students or 
> colleagues of yours. Announcements are sent out using the Evolution 
> mailing list at Rutgers.  Subscribe here to evolutionary news and 
> announcements:  https://email.rutgers.edu/mailman/listinfo/evolution_ru
>
>
> -- 
> *************************************
> Dr. Lena Struwe
> Associate Professor
> Dept. of Ecology, Evolution, & Natural Resources/ Dept. of Plant Biology & Pathology
> Rutgers University 
> 237 Foran Hall, 59 Dudley Road
> New Brunswick, NJ 08901-8551, USA
> phone: (732) 932-9711 ext. 235, fax: (732) 932-9441
> e-mail: struwe at aesop.rutgers.edu  
> home page: www.rci.rutgers.edu/~struwe    
> GENTIAN RESEARCH NETWORK: http://gentian.rutgers.edu 
> Director, CHRYSLER HERBARIUM: http://herbarium.rutgers.edu
> ------------------------------------------------------------------------
>
> _______________________________________________
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> Evolution_RU at email.rutgers.edu
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-- 
*************************************
Dr. Lena Struwe
Associate Professor
Dept. of Ecology, Evolution, & Natural Resources/ Dept. of Plant Biology & Pathology
Rutgers University 
237 Foran Hall, 59 Dudley Road
New Brunswick, NJ 08901-8551, USA
phone: (732) 932-9711 ext. 235, fax: (732) 932-9441
e-mail: struwe at aesop.rutgers.edu  
home page: www.rci.rutgers.edu/~struwe    
GENTIAN RESEARCH NETWORK: http://gentian.rutgers.edu 
Director, CHRYSLER HERBARIUM: http://herbarium.rutgers.edu

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