Congratulations @marialopopolo.bsky.social !! Amazing price!!! pubmed.ncbi.nlm.nih.gov/40440428/

Pre-European contact leprosy in the Americas and its current persistence - PubMed

Leprosy, caused primarily by <i>Mycobacterium leprae</i>, is considered a disease introduced into the Americas during European colonization. However, the recent discovery of a second pathogen causing ...

pubmed.ncbi.nlm.nih.gov

Institut Pasteur | 130 years of biomedical research@pasteur.fr · 2mo ago

Congrats @baptistedarracq.bsky.social & @marialopopolo.bsky.social two Pasteurians awarded the Academy of Sciences' "Major Advances in Biology" Prize for groundbreaking Science publications on bacterial defense & ancient leprosy. pubmed.ncbi.nlm.nih.gov/40339013/ pubmed.ncbi.nlm.nih.gov/40440428/

Thanks to @academiesciences.bsky.social for honouring me and @avanzich.bsky.social with the "Prix Grandes Avancées en Biologie" for our research done in collab with hospitals, archaeologists, and indigenous communities in the Americas. Thanks to @nrascovan.bsky.social for guiding me through the PhD!

¡𝗟𝗮𝘀 𝗶𝗻𝘀𝗰𝗿𝗶𝗽𝗰𝗶𝗼𝗻𝗲𝘀 𝗽𝗮𝗿𝗮 𝗲𝗹 𝗠𝗢𝗢𝗖 𝗩𝗮𝗰𝘂𝗻𝗼𝗹𝗼𝗴𝗶́𝗮 𝗱𝗲𝗹 𝗜𝗻𝘀𝘁𝗶𝘁𝘂𝘁𝗼 𝗣𝗮𝘀𝘁𝗲𝘂𝗿 𝗲𝘀𝘁𝗮́𝗻 𝗮𝗯𝗶𝗲𝗿𝘁𝗮𝘀! Si aún no te has registrado, aún estás a tiempo de unirte a este curso en línea gratuito que comienza el 5 de mayo de 2026. 🔗 𝗜𝗻𝘀𝗰𝗿𝗶́𝗯𝗲𝘁𝗲 𝗮𝗾𝘂𝗶́: www.fun-mooc.fr/en/courses/v...

Vaccinology

This MOOC describes the successes of vaccination in preventing diseases, as well as the remaining challenges in regard of persisting epidemics and new pandemics.

fun-mooc.fr

📢 CRABi 2026 — prolongation de la deadline ! La date limite de soumission des abstracts pour les 1res journées de la CRABi (Communauté de Recherche en Archéologie Biomoléculaire et isotopique) est prolongée au dimanche 19 avril 📍 Bordeaux 🗓️ 12–13 novembre 2026 crabi.sciencesconf.org #CRABi

6 days left! Submit your abstract for the 1st #CRABi Conference 📍 Bordeaux | 🗓️ Nov 12–13, 2026 Ancient DNA, isotopes, proteomics, organic residues & more — all approaches welcome! crabi.sciencesconf.org A unique opportunity to connect the francophone research community #Archaeology #aDNA #Isotopes

Plus que 6 jours ! Soumettez votre résumé pour les 1ères journées #CRABi 📍 Bordeaux | 🗓️ 12–13 nov. 2026 ADN ancien, isotopes, paléoprotéomique, résidus organiques… toutes les approches bienvenues ! crabi.sciencesconf.org #Archaeology #AncientDNA #Isotopes #AncientBiomolecules

A 50 años del golpe, no olvidamos, no perdonamos, no nos reconciliamos Memoria, Verdad y Justicia 30.000 compañer@s desaparecid@s presentes! Ahora más que nunca, presentes! #NuncaMas #NiOlvidoNiPerdon

Una nota super bien escrita por Matías Ortale para #AgenciaTSS, donde cuenta nuestro artículo sobre la historia de la agricultura en Uspallata, pero también el contexto del trabajo y sus implicaciones más amplias. Gracias Matías! www.agenciatss.com.ar/el-adn-antig...

¿Cómo llegó la agricultura al sur de los Andes? ¿Por migración o transmisión cultural? Nuestro nuevo paper en @nature.com combina ADN antiguo, isótopos, arqueología y paleoclima para reconstruir más de 2.000 años de historia en Uspallata, Mendoza. www.nature.com/articles/s41... Abro hilo🧵 (1/28+)

Local agricultural transition, crisis and migration in the Southern Andes - Nature

In the Uspallata Valley, agriculture was adopted by local populations, as evidenced by genetic continuity from earlier&nbsp;hunter-gatherers to farmers; maize-dependent groups from the same regional p...

nature.com

How did farming reach the Southern Andes? Through migration or cultural transmission? Our new paper in @nature.com combines ancient DNA, isotopes, archaeology & paleoclimate to reconstruct 2,000+ years of history in Uspallata, Mendoza. www.nature.com/articles/s41... A Thread🧵 (1/25+)

Local agricultural transition, crisis and migration in the Southern Andes - Nature

In the Uspallata Valley, agriculture was adopted by local populations, as evidenced by genetic continuity from earlier&nbsp;hunter-gatherers to farmers; maize-dependent groups from the same regional p...

nature.com

Sharing the commentary we wrote with @marialopopolo.bsky.social and @avanzich.bsky.social 👉 onlinelibrary.wiley.com/doi/10.1002/... in which we discuss the biomedical implications on Leprosy of our recent article on M. lepromatosis in the Americas: www.science.org/doi/10.1126/... @pasteur.fr

Institut Pasteur (@pasteur.fr) is recruiting new young PIs to open new groups in the Institute. Deadline is February 9th! Don't miss the opportunity!

DNA from Napoleon’s 1812 army identifies the pathogens likely responsible for the army’s demise during their Russian retreat. www.cell.com/current-biol... Nicolás Rascovan & colleagues @currentbiology.bsky.social

A couple of bugs in the system for the troops it turns out. French teams led by @pasteur.fr / @nrascovan.bsky.social have analysed centuries-old teeth to find out what ailed Napoleon's troops during their doomed retreat www.dw.com/en/napoleons...

DNA reveals hidden killer of Napoleon’s troops in Russia – DW – 10/24/2025

Genetic analysis has shed new light on one of history's deadliest military disasters — the French retreat from Russia in 1812.

dw.com

@isba11.bsky.social Super happy and proud for @marialopopolo.bsky.social and @avanzich.bsky.social who got the prize to the best paper at #ISBA11 in Turin. Thanks to the jury for this honor!

www.youtube.com/watch?v=hMH1... I am very thankful to the @ec.europa.eu for highlighting my research at @institutpasteur.bsky.social . It is a privilege for me to have the opportunity of developing my professional life here.

From Ancient Bones to Modern Insights: Argentinian Scientist Uncovering History of Disease in Paris

YouTube video by European Commission

youtube.com

www.theguardian.com/world/2025/j... About the tragic situation that the scientific system from Argentina is undergoing

‘I don’t want my training to go to waste’: the Argentinian scientists working side jobs amid Milei’s sweeping cuts

Javier Milei’s government’s punishing budget cuts have forced researchers to take up work as electricians, school teachers or Uber drivers

theguardian.com

L’article à l'origine de cette carte blanche dans @lemonde.fr a été publié le 29 mai dans @science.org. www.science.org/doi/10.1126/... @yersiniaunit.bsky.social @gmasfiol.bsky.social @pierrelebury.bsky.social @nrascovan.bsky.social & coll. @pasteur.fr

Attenuation of virulence in Yersinia pestis across three plague pandemics

Yersinia pestis has spilled over from wild rodent reservoirs to commensal rodents and humans, causing three historically recorded pandemics. Depletion in the copy number of the plasmid-encoded virulen...

science.org

Les Européens ont-ils apporté la lèpre en Amérique ? En explorant cette question, des chercheurs ont dévoilé l'histoire complexe des bactéries responsables de cette maladie. Un beau travail de @nrascovan.bsky.social et ses collègues. www.pourlascience.fr/sd/microbiol...

Les Européens ont-ils apporté la lèpre en Amérique ?

Contrairement à ce qu’on pensait, la lèpre existait déjà en Amérique depuis plus de mille ans, véhiculée par une autre bactérie. Ce qui n’a pas empêché les colons de l’apporter aussi.

pourlascience.fr

Nicolas Rascovan @nrascovan.bsky.social est biologiste, directeur de recherche à l'Institut Pasteur de l’équipe de Paléogénomique microbienne et dernier auteur de l'étude. www.science.org/doi/10.1126/...

Pre-European contact leprosy in the Americas and its current persistence

Leprosy, primarily caused by Mycobacterium leprae, is considered a disease introduced into the Americas during European colonization. However, the recent discovery of a second pathogen causing leprosy...

science.org

🌎🧬 Leprosy was already endemic in the Americas for 1,000+ years BEFORE Europeans arrived. Scientists analyzed DNA from ~800 samples & found Mycobacterium lepromatosis infecting Indigenous populations centuries before colonization. #Leprosy @marialopopolo.bsky.social @nrascovan.bsky.social

Revelations on the History of Leprosy in the Americas

Leprosy existed in America long before the arrival of Europeans: a new study reveals the history of a neglected pathogen.

pasteur.fr

Excited to have been a small part of this amazing project lead by @marialopopolo.bsky.social and headed by @nrascovan.bsky.social My part was #ancientDNA labwork for one ancestor that had M. lepromatosis - a form of leprosy present in the US before European contact. Out in #Science -link in thread

Maria Lopopolo@marialopopolo.bsky.social · last yr.

Did leprosy exist in the Americas before European invasion? Our lab #aDNA study at @institutpasteur.bsky.social supervised by @nrascovan.bsky.social in collab with @avanzich.bsky.social (CSU) finds M.lepromatosis in pre-colonial Ancestors from North and South America www.science.org/doi/10.1126/...

Un diente reescribe la historia americana Una gran investigación de @nrascovan.bsky.social @marialopopolo.bsky.social @avanzich.bsky.social publicada hoy en @science.org Lo cuento en @agenciasinc.es www.agenciasinc.es/Reportajes/U...

Un azote antiguo: la lepra circulaba en América antes de la llegada de los europeos

En colaboración con comunidades indígenas, un equipo internacional de 40 científicos halló ADN de una de las dos bacterias responsables de esta enfermedad estigmatizante en los restos de individuos que vivieron en lo que hoy es Argentina y Canadá hace más de mil años.

agenciasinc.es

Big news in #GlobalHealthHistory today. A species of bacterium that causes leprosy, discovered in 2008 in modern patients, has been proven to have been present in the Americas well before European arrival. More details in 🧵 below: www.science.org/content/arti... #GlobalMiddleAges #histmed #aDNA 🧪

Leprosy was an American scourge long before Europeans arrived

Scientists find DNA from an enigmatic bacterium in 1000-year-old skeletons

science.org

The FIRST International Conference on Palaeogenomics will happen in Stockholm, Sweden, June 23-26, 2026! Topics will encompass all corners of ancient DNA research, from humans to wildlife and sediments🧬🦣💀🦠 Save the dates ✅ Check the website icp2026.palaeogenomics.org and follow us for updates!

I’ve just done my #eXit! the X exodus is massive. Don't lose any of your followers. Thanks to #HelloQuitX I've registered 1149 new passengers for a journey to #BlueSky & #Mastodon. Join us on app.helloquitx.com and automatically find your communities on #January20!