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tag ancient dna immunology evolution

illustration of neurons in blue and microglia in orange
Ancient Viral DNA Helps Mouse Brains Fight Infection
Natalia Mesa, PhD | Oct 24, 2022 | 3 min read
Mammals that give birth to live young may have evolved to make use of the remnants of viruses in their genomes to ward off pathogens, a study suggests. 
A bat flying in a dark cave
Turning on the Bat Signal
Hannah Thomasy, PhD | Mar 15, 2024 | 10+ min read
Scientists around the world investigate how bat immune systems cope with viral attacks and how this information could be used to keep humans safe.
Ancient Mummies’ Lousy View of the Past
Ancient Mummies’ Lousy View of the Past
Nele Haelterman, PhD | Aug 25, 2022 | 3 min read
Researchers developed a method to study ancient human DNA preserved by head lice.
Artist&rsquo;s rendition of multiple <em>Neisseria gonorrhoeae</em>, the bacteria that causes gonorrhea, depicted as two spheres stuck together, each covered in tendrils.
Gonorrhea-Blocking Mutation Also Protects Against Alzheimer’s: Study
Holly Barker, PhD | Aug 5, 2022 | 4 min read
Research traces the evolution of a gene variant that reduces the risk of Alzheimer’s disease, finding that it originally evolved in response to infectious bacteria.
Artist&rsquo;s rendering of various orange and pink colored bacteria
Q&A: What if Immune Cells Don’t Actually Detect Viruses and Bacteria?
Dan Robitzski | Feb 3, 2023 | 10+ min read
The Scientist spoke with Jonathan Kagan about his idea that immune cells respond to “errors” made by unsuccessful pathogens, not the pathogens themselves.
Ancient iceman has no modern kin
Jennifer Evans | Oct 29, 2008 | 3 min read
The 5,000-year-old mummy Öetzi, found in a glacier in the European alps 17 years ago and believed to be an ancestor of modern Europeans, actually belonged to a different genetic family and may have no living descendants, researchers report today in Current Biology. The researchers sequenced linkurl:mitochondrial DNA;http://www.the-scientist.com/article/display/19318/(mtDNA) extracted from Öetzi's intestines, offering the oldest complete mtDNA sequence of modern humans. "We sort of ass
Illustration of pink and blue DNA molecules.
Historic Adaptations May Now Make Us Susceptible to Disease
Dan Robitzski | Sep 16, 2022 | 5 min read
Researchers made the find using an algorithm that purportedly distinguishes between mutations that were selected for and those that came along for the ride by coincidence, a feat that has long eluded scientists.
Paleoproteomics Opens a Window into the Past
Catherine Offord | Mar 1, 2018 | 10+ min read
Researchers are looking to proteins to explore the biology of ancient organisms, from medieval humans all the way back to dinosaurs.
Viral Remnants Help Regulate Human Immunity
Jyoti Madhusoodanan | Mar 3, 2016 | 3 min read
Endogenous retroviruses in the human genome can regulate genes involved in innate immune responses.
The Scientist Staff | Mar 28, 2024

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