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Genetics Ecology and Evolution

of during our social media hiatus of late 2022

Review on cheese-making by @tatianagiraud6@twitter.com and @jeanne_ropars@twitter.com, celebrating ten years working on
doi.org/10.1016/j.mib.2022.102

Our first @PeerCommunityJournal lead by PhD student @TezenasEmilie@twitter.com shows that linkage to a permanently heterozygous site decreases the purging probability and increases the purging time of mutations under selfing
doi.org/10.24072/pcjournal.238
Recommendation
doi.org/10.24072/pci.evolbiol.

Schematic drawings of the genotypes considered and their parameters. (Left) Description of the possible genotypes in the population and their fitness S; for the two selection scenarii considered (partial dominance and overdominance). (Right) (a) Position of a putative event of recombination between the mating-type locus and the load locus. (b) Example of a tetrad that can be obtained after a meiosis of an individual of genotype Gy, with recombination. Four gametes are produced, two of each mating type. In the second and third gamete from the left, combinations of alleles that did not exist in the parent are observed (A with b and a with B).
Figure 1: Cheese fungi are models for studying parallel adaptation because several phylogenetically distant lineages thrive in the same ecological niche and cheese adaptation is the result of strong and recent selection (<8000 years ago). Phylogenetic tree of Ascomycota modified from Lifemap (http://lifemap.univ-lyon1.fr/) Cheese species are indicated by orange arrows and names of cheese species are in dark red; Penicillium dried cured meat species are in light orange and shown on the tree by a light orange arrow. For each studied cheese species, a schematic tree is shown to display their population structure and the genetic differentiation between wild and cheese strains. As there is no genetic differentiation between dried-cured meat and wild strains of both P. salamii and P. nalgiovense species, no schematic tree is displayed
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Genetics Ecology and Evolution

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So, this is how we think it works: we tell each other what we're up to and what we like/dislike, timelines will soon be full of interesting/relevant stuff 🤞

Regular or recurrent hashtags:
- institutional weekly seminars
- research on the living stuff making your more interesting
- the of sex chromosomes
- new methods on

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Genetics Ecology and Evolution

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We are the and team of the - - powered Laboratoire ESE, part of the Institut Diversité Écologie et Évolution du Vivant
We are broadly interested in evolutionary genomics, in particular the evolution of sex chromosomes , the domestication of cheese-making fungi , the footprints of pathogenicity, and molecular coevolution in symbiosis and in antagonistic interactions

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