Metagenomic screening of 14 Roman cattle from Vilauba uncovers Group I Clostridium related to toxigenic botulinum producers, plus an opportunistic Mycolicibacterium. 🐂🧬 These overlooked taxa may represent a blind spot in ancient livestock health studies.
https://doi.org/10.1080/21505594.2025.2580731
#MetagenomicsMonday #SPAAM #aDNA #bioarchaeology #botulinum #pathogens
#aDNA
New video of talk by @christinawarinner.bsky.social@bsky.brid.gy given at Center for Academic Research and Training in Anthropogeny posted by @ucsandiego.bsky.social@bsky.brid.gy explaining how advances in #aDNA and #proteomics can investigate the complex and diverse microbial communities from dental calculus
CARTA: Human Microbiome Evolut...
What ancient genomes can tell about East #Asian population dynamics over 160,000 years...
'highlighting three waves of archaic introgression and extensive population admixtures'
https://link.springer.com/article/10.1186/s13059-025-03859-1
What can ancient poop reveal about past health? 💩🧬 Paleofeces from 725–920 CE Mexico show multiple gut pathogens, including Blastocystis, Giardia, Entamoeba, and pathogenic E. coli. Enteric infections were likely common.
https://doi.org/10.1371/journal.pone.0318140
#MetagenomicsMonday #SPAAM #aDNA #paleofeces #pathogens
Szymanski et al. developed quicksand, an open-source Nextflow pipeline designed for rapid and accurate taxonomic classification of mammalian mitochondrial DNA in sedimentary ancient DNA samples.
New packages in the community-archive:
2025_Saag_NorthPontic (v1.0.0)
https://github.com/poseidon-framework/community-archive #aDNA #OpenData
New packages in the community-archive:
2024_Antonio_HighMobility (v1.0.0)
https://github.com/poseidon-framework/community-archive #aDNA #OpenData
Recovering DNA from ancient plants is tough, but this new method makes it work! A new extraction workflow improves recovery of fragmented endogenous plant aDNA while preserving library complexity and read yield.
https://www.nature.com/articles/s41598-025-21743-7
#MetagenomicsMonday #SPAAM #aDNA #metagenomics #archaeobotany #ancientplants #DNA
New #aDNA on #Equus ovodovi from #Siberia after the Last Glacial Maximum
#horse #Pleistocene
https://www.sciencedirect.com/science/article/pii/S0277379125005165
The SPAAM Community is thrilled to announce our first-ever blog post competition!
You will not only get a chance of having your post featured on the SPAAM website but also win a mystery book prize!
• Theme: Anything connected to ancient DNA
• Length: ~1000–2000 words
• Audience: The broader ancient DNA community and interested readers
• Deadline: 15th February 2026
For more info and how to submit visit: https://www.spaam-community.org/news/2025/11/25/blog-post-competition/
#SPAAM #ancientDNA #aDNA #contest #sciencecommunication
Ancient microbe DNA as a record of climate change 🦠🧬: mountain lake sedaDNA from the past 430 years reveals major microbial shifts since 1960, following climate shifts.
https://doi.org/10.1007/s00248-025-02612-2
#MetagenomicsMonday #SPAAM #aDNA #climate #change #metagenomics #sediment #sedaDNA #mountain #lake
Deadline for abstract submissions for the International Conference on Palaeogenomics (Stockholm, 23–26 June 2026) is 30 November.
Submit your abstract via the link below
icp2026.palaeogenomics.org/abstracts/
#aDNA #archaeology #proteomics
Abstracts – International Conf...
Gilardet et al. extracted ancient DNA from bovine bones in the Denisova cave to characterize Pleistocene bovine diversity, identifying the Altai Mountains as a hotspot for bovine diversity.
What can ancient chewing gum reveal about life in the Neolithic Alps? 🌲🧬 This study of birch bark tar uncovers traces of human, microbial, plant & animal DNA, revealing who chewed it and why. #MetagenomicsMonday #SPAAM #aDNA #neolithic #metagenomics
https://doi.org/10.1098/rspb.2025.0092
How much do lab methods shape ancient microbiome results? 🧬 This study compares extraction & library prep protocols on dental calculus from Hungary and Niger, showing that no single workflow fits all. #MetagenomicsMonday #SPAAM #aDNA #calculus #microbiome
https://doi.org/10.1111/1755-0998.70054
An unknown lineage in #Argentina found in #aDNA over 8,000 years old in one of the last areas humans reached.
https://phys.org/news/2025-11-ancient-dna-uncovers-unknown-argentina.html
This new study takes a closer look at eukaryotic reference genomes. 🧬 By mapping microbial-like regions across thousands of plant & animal assemblies, it helps make ancient eDNA analyses more accurate. #MetagenomicsMonday #SPAAM #aDNA #metagenomics #eDNA
https://doi.org/10.1093/gigascience/giaf108
A new study links the Harbin cranium to Denisovans using DNA hidden in dental calculus. 🦷🧬 The mtDNA connects to Siberian lineages and suggests Denisovans spread widely across Pleistocene Asia. #MetagenomicsMonday #SPAAM #aDNA #Denisovan #archaic #mtDNA #calculus
https://doi.org/10.1016/j.cell.2025.05.040
In this new paper, researchers extended the sedaDNA analysis beyond cave sediments: bone-adhered deposits preserved human, microbial, plant & animal sequences. #MetagenomicsMonday #SPAAM #aDNA #sedaDNA #metagenomics #cave #sediment
https://doi.org/10.1093/molbev/msaf202
Did you miss the ISBA11? Or maybe you want to refresh your memories from the symposium? 🧬 SPAAM members gathered for a debriefing session to share our impressions and feedback on the ISBA conference program. Check it out!
https://www.spaam-community.org/blog/2025/10/23/isba11-debrief/
#SPAAM #ancientDNA #ISBA11 #aDNA #sedaDNA #metagenomics
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