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Nicolas Bierne
@couplingdmi.bsky.social
#PopGen Population Genetics, Evolution, Marine Biology, Transmissible Cancers
165 followers207 following48 posts
NBcouplingdmi.bsky.social

and the group of lucky researchers invited by Cynthia Riginos.

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NBcouplingdmi.bsky.social

underwater

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NBcouplingdmi.bsky.social

Adaptive introgression is studied as global selection, while most often it's local selection. We observed prediction of a local sweep phase 2 in our spatio-temporal data in a sea-squirt: stable frequencies of adaptive alien alleles at the core of the introgression sweep and erosion in the shoulders

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NBcouplingdmi.bsky.social

Super cool. They should clarify that the PCA is done with mtDNA SNPs (given the M&M says mapping has also been done to a draft nuclear genome).

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NBcouplingdmi.bsky.social

or maybe it is

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NBcouplingdmi.bsky.social

Introgression screens might not be good models for understanding RI. It might be more important to understand how fitness is reduced in the first generations of hybridization rather than where gene flow is reduced on a small fragment of chromosome.

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NBcouplingdmi.bsky.social

We had originally planned to test for higher prevalence in one of the two host species in sympatry, but ended up finding a better spread in urban marine waters.

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Nicolas Bierne
@couplingdmi.bsky.social
#PopGen Population Genetics, Evolution, Marine Biology, Transmissible Cancers
165 followers207 following48 posts