Keynote Lecture: Mapping Africa’s Ancient Disease Landscape and Applying Metagenomics for One Health

Keynote Lecture: Mapping Africa’s Ancient Disease Landscape and Applying Metagenomics for One Health

by Maja Vukovikj and Erik Karlsson

Life & Natural Systems History NHTHistory: specific events and topicsNHTFHistory: plagues, diseases, famines
🎙 Maja Vukovikj and Erik Karlsson 👥 1K 📅 November 19, 2025 ⏱ 107 min 👁 71 📄 lecture 🧭 2026-08-16
Available in: English (current) Français

Keywords

ancient DNAmetagenomicspathogen detectionOne HealthAfrica

Summary

This keynote lecture, presented at the Metagenomics Workshop at Stellenbosch University’s CERI, features two talks. The first, by Dr. Maja Vukovikj, focuses on mapping Africa’s ancient disease landscape using ancient DNA (aDNA). She explains the nature of aDNA, its degradation processes, and the challenges of working with it, including fragment length and contamination. She describes sources of aDNA such as dental calculus, dental pulp, and bone lesions, and discusses factors affecting pathogen detection. She then introduces ancient metagenomics, emphasizing the complexity of analyzing mixed DNA from various organisms and the use of taxonomic profilers like MALT and Kraken. She details validation and authentication steps, including damage patterns, fragment length, coverage evenness, and edit distances, and highlights the importance of specific genetic markers. She reviews pathogens detected in ancient Europe and Asia, such as Yersinia pestis and hepatitis B virus, and notes the lack of systematic studies in sub-Saharan Africa, with only a few studies on Egyptian mummies. The second talk, by Dr. Erik Karlsson, is not transcribed in the provided text, but based on the description, it covers environmental sampling and metagenomics for One Health at high-risk interfaces, focusing on detecting emerging viruses where humans, animals, and ecosystems intersect. Overall, the lecture bridges ancient pathogen evolution with modern surveillance, offering insights into spillover potential and global health preparedness.

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Critical Evaluation

Value of the Information & Strength of the Argument

The lecture provides valuable insights into the field of ancient DNA and metagenomics, particularly in the context of Africa. The speaker effectively explains complex concepts such as DNA degradation, authentication methods, and the challenges of metagenomic analysis. The argumentation is solid, supported by examples and visual aids. The talk highlights the importance of ancient DNA in understanding pathogen evolution and the potential for future discoveries in Africa. The second part, on One Health, is not detailed in the transcription but is likely equally valuable given the expertise of the speaker.

99 words

Title / Content Match

The title accurately reflects the content: the first part covers ancient disease landscape in Africa, and the second part discusses metagenomics for One Health.

Quality & Reliability

8/10

The lecture is delivered by two expert researchers in the field of ancient DNA and metagenomics, presenting established methods and recent findings. The content is scientifically sound, with clear explanations of methodology and authentication steps. However, it is a keynote lecture, not a peer-reviewed publication, and some specific claims lack direct citations within the talk.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

  • No specific sources cited in the transcription — The speaker mentions studies by Allentoft et al. and Kocher et al., but no URLs are provided.

Concurring Sources

  • Ancient DNA and human history — This article discusses the use of ancient DNA to understand human history and disease.

Dissenting Sources

  • No discordant sources found — No conflicting information was identified.

Contribution & Novelties

The lecture provides a comprehensive overview of ancient DNA research in Africa, highlighting the current gaps and potential for future discoveries. It emphasizes the importance of metagenomics in understanding pathogen evolution and the One Health approach. The talk bridges ancient and modern disease surveillance, offering a unique perspective on global health preparedness.

Pour aller plus loin :

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Radar Profile

The radar profile shows high scores in quantity and quality of information, indicating a content-rich and reliable lecture. The technical level is moderately high, suitable for an audience with some background in genomics. The overall reliability is strong, reflecting the expertise of the speakers.

Reliability 8/10

💬 No comments were provided for analysis.