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tag human microbiome genetics genomics microbiology evolution

bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
Cartoon of the gut with different colored bacteria and a magnifying glass hovering over part of the gut.
Humans Rely on Gut Bacteria for an Enzyme that Prevents Jaundice
Kamal Nahas, PhD | Feb 16, 2024 | 5 min read
An absence of bilirubin-producing gut microbes may predispose individuals to some diseases, including inflammatory bowel disease.
The illustration shows floating chromosomes with a Y-shaped chromosome in the foreground.
Closing the Gaps in the Human Genome: Why Y Was the Final Hurdle
Kamal Nahas, PhD | Aug 28, 2023 | 4 min read
For two decades, scientists struggled to fully sequence the Y chromosome. Finally, researchers have mapped its full length thanks to recent advances in sequencing technology.
Illustrated map showing where evidence was found of the earliest humans
Infographic: Mixed Evidence on Human Occupation of the Americas
Emma Yasinski | May 2, 2022 | 3 min read
Diverse lines of evidence point to humans’ presence in the New World long before the dawn of Clovis culture. But rewriting this chapter of human history raises many questions about how these early people came to inhabit these continents.
Composite image of earliest humans and wooly mammoths
New Evidence Complicates the Story of the Peopling of the Americas
Emma Yasinski | May 2, 2022 | 10+ min read
New techniques have shown that people reached the New World far earlier than the long-standing estimate of 13,000 years ago, but scientists still debate exactly when humans arrived on the continent—and how.
Setting Standards for Stool
Aparna Nathan, PhD | Jan 19, 2024 | 10+ min read
Microbiome studies have yielded hundreds of ideas for ways to detect and influence human health, but the field struggles with reproducibility challenges that hamper bringing these goals to fruition. Identical tubes of fecal matter should help.
A California coyote above Santa Monica beach
Human Gut Bacteria Show Up in Urban Wildlife
Bianca Nogrady | Sep 12, 2022 | 2 min read
The gut microbiomes of city-dwelling animals, including coyotes, lizards, and birds, show similarities to those found in humans who also live in urban environments.
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Understanding Our Enemies: Identifying Mechanisms of Antibiotic Resistance
The Scientist | Aug 3, 2021 | 1 min read
Researchers sample and sequence bacteria from biological and environmental sources to learn how to overcome selective pressure
Different colored cartoon viruses entering holes in a cartoon of a human brain.
A Journey Into the Brain
Danielle Gerhard, PhD | Mar 22, 2024 | 10+ min read
With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.
Illustration of humans and mice and their gut microbiota
Infographic: Microbiome-Driven Adaptations in Animals
Catherine Offord | Jul 1, 2021 | 2 min read
Researchers are using experiments and observational studies to look for host genetic variation that could be partly determined by the gut microbiota.

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