Mariana Escobar Rodríguez
@mescobar.bsky.social
🇲🇽 Entusiasta del pan dulce. PhD student at the Microbial Paleogenomics Unit of the Pasteur Institute 🇫🇷. Interested in human population genetics and pathogen evolution.
Come to Stockholm! #SPAAM8
SPAAM@spaam-community.bsky.social · 2mo ago📢 Registration now open for SPAAM8! Join us for the ICP2026 satellite hybrid meeting on 22 June 2026 in Stockholm 🇸🇪 🧬 Ancient metagenomics community gathering in person or online! 🔗 Register here before June 10th: forms.gle/Z1AK5MHaFEfb... We look forward to seeing you! 🔥
📢 Registration now open for SPAAM8! Join us for the ICP2026 satellite hybrid meeting on 22 June 2026 in Stockholm 🇸🇪 🧬 Ancient metagenomics community gathering in person or online! 🔗 Register here before June 10th: forms.gle/Z1AK5MHaFEfb... We look forward to seeing you! 🔥
SPAAM 8 registration
Date June 22nd, 2026 (prior to ICP 2026) 9:30 AM Location Stockholm University, Stockholm, Sweden In-person attendance fee: Attendance fee: €25. A payment link will be sent to all registered partic...
forms.gle
Don't forget to submit your abstract for #SPAAM8 ! 🚀 Come share your work and join us in Stockholm on June 22nd 🇸🇪 Online presentations are also possible! 👩🏻💻 www.spaam-community.org/events/news/... Deadline: May 1st #aDNA #Metagenomics #seDNA
SPAAM8 · SPAAM Community
spaam-community.org
Come join us in beautiful Stockholm or online! #SPAAM8
SPAAM@spaam-community.bsky.social · 4mo agoDon't forget to submit your abstract for #SPAAM8 ! 🚀 Come share your work and join us in Stockholm on June 22nd 🇸🇪 Online presentations are also possible! 👩🏻💻 www.spaam-community.org/events/news/... Deadline: May 1st #aDNA #Metagenomics #seDNA
New preprint looking at the associations between maternal mortality and having sons in preindustrial Finland from work with León van Dorp during his master’s project. Also with Mirkka Lahdenpera, @lummaalab.bsky.social, and @hannahdugdale.bsky.social
bioRxiv Evolutionary Biology@biorxiv-evobio.bsky.social · 4mo agoMothers face immediate, but family-size dependent, costs of sons in preindustrial Finland https://www.biorxiv.org/content/10.64898/2026.04.08.717249v1
Mothers face immediate, but family-size dependent, costs of sons in preindustrial Finland https://www.biorxiv.org/content/10.64898/2026.04.08.717249v1
Abstract submission for #SPAAM8 is now officially OPEN! 🚀 Don't miss the opportunity to share your work and join us in Stockholm on June 22nd 🇸🇪 Online presentations are also possible! 👩🏻💻 Submit your abstract: forms.gle/psw9GS3ZyrLV... Deadline: May 1st #aDNA #Metagenomics #seDNA
Come join us in Stockholm!
SPAAM@spaam-community.bsky.social · 4mo agoAbstract submission for #SPAAM8 is now officially OPEN! 🚀 Don't miss the opportunity to share your work and join us in Stockholm on June 22nd 🇸🇪 Online presentations are also possible! 👩🏻💻 Submit your abstract: forms.gle/psw9GS3ZyrLV... Deadline: May 1st #aDNA #Metagenomics #seDNA
Thanks to @mireniraorb.bsky.social for the invaluable training in archaeological sampling and aDNA processing. This work would have not possible without you ❤️
Congratulations to my former lab at @pasteuredu.bsky.social @nrascovan.bsky.social lead authors @ramiro-arqueo.bsky.social and #pierreLuisi and last but not least thanks @bitesizedna.bsky.social for hosting me at Copenhagen Uni for hours of drilling, extractions, and preps! 👩🔬
Nico Rascovan@nrascovan.bsky.social · 5mo agoHow 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+)
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 hunter-gatherers to farmers; maize-dependent groups from the same regional p...
nature.com
Amazing work! Congratulations everyone! Be sure to give this one a read ⬇️
Nico Rascovan@nrascovan.bsky.social · 5mo agoHow 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+)
🚨 Save the Date! We’re thrilled to announce #SPAAM8 – a gathering of experts in ancient metagenomics research! 🌎 📅 When: June 22nd 2026 📍Where: Stockholm, Sweden 🇸🇪 (and online) Stay tuned for updates and registration details!
Life-history traits as predictors of expected genetic contributions 15 years later in a cooperatively breeding bird https://www.biorxiv.org/content/10.64898/2025.12.19.695490v1
13/ And since I have you here, it's time for some shameless plugging! I defend my PhD ( :O ) next week, and if you are interested in more of what I got up to over the past few years, you can check out an @nrc.nl here: www.nrc.nl/nieuws/2025/...
De risico’s en voordelen van oudere broers en zussen
Jong Geleerd: Hoe meer kinderen een moeder krijgt, hoe minder lang ze zelf leeft. Tenminste, dat gold voor Finse moeders ten tijde van de Grote Finse Hongersnood. Deze en andere opmerkelijke feiten de...
nrc.nl
12/ You can also read the @newscientist.com article here: www.newscientist.com/article/2503...
Having children plays a complicated role in the rate we age
The effort of reproducing may divert energy away from repairing DNA or fighting illness, which could drive ageing, but a new study suggests that is only the case when environmental conditions are toug...
newscientist.com
1/13 New paper out! www.science.org/doi/10.1126/... Historical records across thousands of women showed that mothers with more children had shorter lifespans during a famine, fitting an evolutionary explanation for why we age @hannahdugdale.bsky.social @lummaalab.bsky.social @erikpostma.bsky.social
Hoe meer kinderen een moeder krijgt, hoe minder lang ze zelf leeft. Tenminste, dat gold voor Finse moeders ten tijde van de Grote Finse Hongersnood. Deze en andere opmerkelijke feiten destilleerde Euan Young uit grote historische bevolkingsregisters. buff.ly/Y1VNbQO
De risico’s en voordelen van oudere broers en zussen
Jong Geleerd: Hoe meer kinderen een moeder krijgt, hoe minder lang ze zelf leeft. Tenminste, dat gold voor Finse moeders ten tijde van de Grote Finse Hongersnood. Deze en andere opmerkelijke feiten…
buff.ly
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
1/10 Genome maintenance by telomerase is a fundamental process in nearly all eukaryotes. But where does it come from? Today, we report the discovery of telomerase homologs in a family of antiviral RTs, revealing an unexpected evolutionary origin in bacteria. www.biorxiv.org/content/10.1...
Antiviral reverse transcriptases reveal the evolutionary origin of telomerase
Defense-associated reverse transcriptases (DRTs) employ diverse and distinctive mechanisms of cDNA synthesis to protect bacteria against viral infection. However, much of DRT family diversity remains ...
biorxiv.org
🎓 Applications for Institut Pasteur's PhD programs open Sept 1-Oct 20, 2025 for October 2026 entry. Apply to up to 4 projects across 6 programs: PPU, PPU-IMAGINE @institutimagine.bsky.social, PPU-@ox.ac.uk, PPU-EID @upcite.bsky.social & more 🧬 Register now ✍️ www.pasteur.fr/en/education...
Well that’s the “highlight” of my week for sure! Thrilled to see our recent paper covered in Nature’s Research Highlight: www.nature.com/articles/d41... Also see @markspa.bsky.social’s neat explainer below.
Will a child survive? Older siblings have a powerful influence
Swiss birth data from 1750 to 1870 reveal that girls who had lots of older brothers close to their own age were less likely to survive than were those who did not.
nature.com
Mark Spa@markspa.bsky.social · 11mo ago1. My first ever paper is out! With @euantheyoung.bsky.social @lummaalab.bsky.social @erikpostma.bsky.social @hannahdugdale.bsky.social How do older siblings, and their sex and age, affect the survival of younger siblings? Find out by checking below. royalsocietypublishing.org/doi/full/10....
Had a great time at #ISBA11 and #SPAAM7 in beautiful Turin! Exciting science and amazing people! @isbarchaeology.bsky.social @spaam-community.bsky.social
Great experience with amazing people!
Evolutionary Ecology Group, Cambridge@eegcam.bsky.social · last yr.After a week of intense population genomics, lots of tired but still smiley faces. Thank you @embo.org for funding another edition of our Population Genomics course in Naples. And thank you to the trainers and participants for making this eight edition another success! #EMBOpopgen
After a week of intense population genomics, lots of tired but still smiley faces. Thank you @embo.org for funding another edition of our Population Genomics course in Naples. And thank you to the trainers and participants for making this eight edition another success! #EMBOpopgen
#AncientMetagenomeDir is expanding to include C14 dating & detailed archaeological/historical info for all samples! 📜✨ 🗓️ Join our Hackathon on April 29th from 10-17 CEST and contribute to this groundbreaking project! 🙌
Don't miss out! Deadline is today!
SPAAM@spaam-community.bsky.social · last yr.The SPAAM has organized a virtual speed-networking event between PIs and young researchers (MSc/PhD/Postdocs)! When? Wednesday April 9th 11.00AM-01.00PM CET. Registration deadline: April 2nd. Grab your slot! For more information and registration, check:
🚨Last day to register for our speed-networking event! Dont' miss out on this great opportunity ⬇️⬇️⬇️
SPAAM@spaam-community.bsky.social · last yr.The SPAAM has organized a virtual speed-networking event between PIs and young researchers (MSc/PhD/Postdocs)! When? Wednesday April 9th 11.00AM-01.00PM CET. Registration deadline: April 2nd. Grab your slot! For more information and registration, check:
Still a few days left to register! Don't miss out!
SPAAM@spaam-community.bsky.social · last yr.The SPAAM has organized a virtual speed-networking event between PIs and young researchers (MSc/PhD/Postdocs)! When? Wednesday April 9th 11.00AM-01.00PM CET. Registration deadline: April 2nd. Grab your slot! For more information and registration, check:
