Christophe Dufresnes
@chrisdufresnes.bsky.social
📤 49
📥 17
📝 5
Amphibian researcher
@isyeb.mnhn.fr
@mnhn.fr
Sex, genes and speciation - Different chromosomes carrying famous genes determine males and females in common and spiny toads, driving their reproductive barriers. Hybrids, the battle of sex is on!
@isyeb.mnhn.fr
@molbioevol.bsky.social
doi.org/10.1093/molb...
www.mnhn.fr/fr/alerte-pr...
5 months ago
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reposted by
Christophe Dufresnes
ISYEB
5 months ago
Une étude menée par
@chrisdufresnes.bsky.social
@isyeb.mnhn.fr
vient de paraître dans la revue
@molbioevol.bsky.social
et révèle que ce sont des chromosomes différents qui déterminent le sexe chez le crapaud commun (Bufo bufo) & le crapaud épineux (Bufo spinosus)... 🐸
www.mnhn.fr/fr/alerte-pr...
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XY contre ZW : la guerre des sexes chez les crapauds
Une étude menée par l’Institut de Systématique, Évolution, Biodiversité (MNHN, CNRS, Sorbonne Université, EPHE-PSL, Université des Antilles), publiée dans la revue Molecular Biology and Evolution, rév...
https://www.mnhn.fr/fr/alerte-presse/xy-contre-zw-la-guerre-des-sexes-chez-les-crapauds
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Christophe Dufresnes
sylvia hofmann
5 months ago
just published
europeanjournaloftaxonomy.eu/index.php/ej...
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Resolving taxonomic ambiguities in extant Himalayan lazy toads: A new species of the genus Scutiger (Anura, Megophryidae) from eastern Nepal | European Journal of Taxonomy
https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/2893
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Thanks to Mathieu Denoël for his massive review work on the invasion pathways of our marsh frogs! Those guys are so invasive that we take them for granted everywhere^^
www.sciencedirect.com/science/arti...
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The alien marsh frog cocktail: Distribution, causes and pathways of a global amphibian invasion
While some biological invasions are well documented globally, others, more cryptic, are often underestimated despite multiple local warnings. This is …
https://www.sciencedirect.com/science/article/pii/S0006320725001570
7 months ago
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Genetics or phenetics? Check out what best differentiates midwife toad taxa at various stage of their speciation continuum in our latest article freshly squeezed in Molecular Ecology with
@batracofistro.bsky.social
and many other co-authors!
onlinelibrary.wiley.com/doi/full/10....
8 months ago
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reposted by
Christophe Dufresnes
ISYEB
9 months ago
Dans
#The_Science_of_Nature
vol.112 (17)
#OpenAccess
Une étude moléculaire sur des cuisses de grenouilles consommées en Suisse et mal étiquetées recèlent une biodiversité insoupçonnée. Espèces d'origines diverses, exotiques,envahissantes ou inconnues des zoologistes!
#Amphibian
#Biological_invasion
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reposted by
Christophe Dufresnes
Muséum national d’Histoire naturelle
9 months ago
🐍💉 Première femme médecin en France, spécialiste des animaux venimeux et féministe, Marie Phisalix est une pionnière. Portrait de cette grande biologiste et féministe dont l’histoire est intimement liée au Muséum 👉
www.mnhn.fr/fr/marie-phi...
#JournéeInternationaleDesFemmesEtDesFillesDeScience
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Christophe Dufresnes
Iñigo Martínez-Solano
9 months ago
Patrones de diversidad genómica en el sapo partero común: perspectivas filogeográficas y de conservación. Open access:
link.springer.com/article/10.1...
@chrisdufresnes.bsky.social
@benwielstra.bsky.social
@
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Genome-wide patterns of diversity in the European midwife toad complex: phylogeographic and conservation prospects - Conservation Genetics
Assessing how genetic diversity is spatially structured underlies many research questions in evolutionary ecology and contributes to understanding the factors implicated in population declines and ext...
https://link.springer.com/article/10.1007/s10592-025-01673-7
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Christophe Dufresnes
Daniel Jablonski
9 months ago
Our study on Duttaphrynus melanostictus evolution published in Nature Communication. We showed how these toads likely spread across the Indian Ocean via human transport, from ancient trade routes to modern shipping. 🌍🐸
@chrisdufresnes.bsky.social
@naturecomms.bsky.social
@comeniusuni.bsky.social
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The long-awaited book "Status of Decline and Conservation of Amphibians of the Middle East" has just been released! Happy to have helped out for one chapter on Syrian amphibians by Ahmad Aidek, Mudar Salimeh, Yaman Omran and Daniel Jablonski
link.springer.com/chapter/10.1...
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The Composition, Distribution, and Endangerment of the Amphibian Fauna of Syria
Syria has a broad range of natural landscapes, including mountains, forests, rivers, lakes, and arid landscapes that promoted the diversification of its amphibian fauna. Syrian amphibians presently co...
https://link.springer.com/chapter/10.1007/978-3-031-68985-7_1
10 months ago
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Our phylogeography of Duttaphrynus melanostictus is finally out in
@naturecomms.bsky.social
Check out its fancy patterns, such as a new species from SE-Asia and suspicions of historical human-mediated dispersal across the Indian Ocean:
www.nature.com/articles/s41...
10 months ago
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