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jackrayner.bsky.social
Jack Rayner
@jackrayner.bsky.social
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jackrayner.bsky.social
Jack Rayner @jackrayner.bsky.social · Sep 4
These crickets are targeted by a parasitoid fly that is attracted to their song. We found fly attack rates vary across populations which influences allelic variation in the region underlying a protective male-silencing 'curly-wing' phenotype. Also, these crickets give birth to a new type of ant
Plots showing: A,B) fly attack rate varies across cricket populations; C,D) genomic regions underlying common male-silencing phenotypes, flatwing and curly-wing; E) evidence of fly attack rate influencing allelic variation at multiple sites in the genome, most notably in the genomic regions underlying the curly-wing phenotype.
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jackrayner.bsky.social
Jack Rayner @jackrayner.bsky.social · Sep 4
A finding we didn't anticipate is that these small, fragmented populations share many large/very large structural variants - presumably inversions, presumably influenced by balancing selection. We don't know what their phenotypic consequences are, but they have substantial effects on gene expression
Plots showing discrete genetic linkage and clustering of samples in PCA across several chromosomes of the cricket's genome, supporting the presence of several very large structural variants
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jackrayner.bsky.social
Jack Rayner @jackrayner.bsky.social · Sep 4
We have a preprint out for our study testing conditions/signatures of repeated adaptation in multiple wild cricket populations. Feedback welcome!
www.biorxiv.org/content/10.1...
Genomic signatures of local adaptation across parasitised cricket populations
Host-parasite interactions are predicted to exhibit geographic heterogeneity, creating the opportunity for local adaptation. This is difficult to detect because it requires knowledge of selection pres...
www.biorxiv.org
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jackrayner.bsky.social
Jack Rayner @jackrayner.bsky.social · Apr 17
Don't have anything like that, sorry.
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Reposted by Jack Rayner
animalsexpert.bsky.social
Tom Green (they/he) @animalsexpert.bsky.social · Mar 7
Today in: sentences that make me love reading old scientific papers
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Reposted by Jack Rayner
imprintedgene.bsky.social
Thomas Hitchcock @imprintedgene.bsky.social · Nov 22
Our new paper on sexual antagonism in sequential hermaphrodites has now been published! royalsocietypublishing.org/doi/full/10....
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Reposted by Jack Rayner
biorxiv-evobio.bsky.social
bioRxiv Evolutionary Biology @biorxiv-evobio.bsky.social · Oct 18
Competing adaptations maintain non-adaptive variation in a wild cricket population https://www.biorxiv.org/content/10.1101/2023.10.14.562337v1
Competing adaptations maintain non-adaptive variation in a wild cricket population https://www.biorxiv.org/content/10.1101/2023.10.14.562337v1
How emerging adaptive variants interact is an important factor in the evolution of wild populations.
www.biorxiv.org
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