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a white mouse sits on a blue exercise wheel, looking out onto the shavings below
Mice With a Healthy Gut Microbiome Are More Motivated to Exercise
A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 
Mice With a Healthy Gut Microbiome Are More Motivated to Exercise
Mice With a Healthy Gut Microbiome Are More Motivated to Exercise

A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 

A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 

microbiome
Alma Dal Co wears a blue shirt and red necklace and uses a pointer to examine a component of a laboratory machine. 
Microbial Ecologist Alma Dal Co Dies in Diving Accident
Katherine Irving | Nov 21, 2022 | 3 min read
At 33, Dal Co had already founded her own microbial ecology lab at the University of Lausanne in Switzerland.
Illustration showing immunology during pregnancy
Infographic: How Immunology Can Influence Pregnancy Outcomes
Tobias R. Kollmann, Arnaud Marchant, and Sing Sing Way | Nov 14, 2022 | 3 min read
Pregnancy-induced changes in the immune system are key to a successful birth. Understanding those changes could allow researchers to protect both mother and child.
Discover the microbiome’s role in diabetes 
A Question of Balance: How the Gut Microbiome Influences Diabetes
The Scientist Creative Services Team | 1 min read
The presence of beneficial or detrimental microbes pulls the host toward health or disease.
Illustration of pregnancy and the immune system
Modulating Immunity to Improve Pregnancy Outcomes
Tobias R. Kollmann, Arnaud Marchant, and Sing Sing Way | Nov 14, 2022 | 10+ min read
Aberrant immune activation, the main cause of prematurity and stillbirths, could be preventable through interventions such as maternal vaccination. 
a small black mouse sits next to an obese black mouse on a white background
Obesity Protects Against Genital Herpes in Mice, Study Finds
Katherine Irving | Nov 11, 2022 | 3 min read
A high-fat diet induced changes to the animals’ vaginal microbiomes that boosted survival after exposure to the virus.
VAI
One Sequence, Many Variations
Van Andel Institute | 5 min read
Andrew Pospisilik explores the epigenetic changes that give organisms the plasticity to change in response to their environments.
Matthieu Groussin sits with three other people on stools in front of a low table, on which there are several bowls of food. Another person stands above Groussin spooning something into a bowl.
Q&A: Gathering Diverse Microbiome Samples
Katherine Irving | Nov 3, 2022 | 8 min read
Cofounders of a microbiome biobank speak with The Scientist about their new partnership with nonprofit OpenBiome and how to ethically work with donors.
Illustration of green fluorescent bacterial cells.
Cocaine Use Creates Feedback Loop with Gut Bacteria: Mouse Study
Alejandra Manjarrez, PhD | Nov 1, 2022 | 3 min read
A jolt of norepinephrine in the mouse gut facilitates colonization by certain microbes, which in turn deplete glycine, enhancing cocaine-induced behaviors.
VAI
Exposed: Environmental Echoes in Health - A Special Podcast Series
The Scientist Creative Services Team and Van Andel Institute | 2 min read
Epigenetic experts discuss how environment and diet leave lasting impressions on the human genome.
Orange colony of bacteria on red medium
Skin Bacteria May Trigger Lupus: Mouse Study
Natalia Mesa, PhD | Oct 28, 2022 | 3 min read
Staphylococcus aureus appears to be the culprit.
Three white mice
High-Fat Diet in Mice Affects Social Behavior Across Generations
Sophie Fessl, PhD | Oct 27, 2022 | 4 min read
Pups born to mice whose mothers had been fed a high-fat diet showed social deficits, a study shows. 
A nude (hairless) mouse, typically used in biomedical and drug discovery research methods that rely on immunodeficient mouse strains.
Brush Up: Humanized Mice: More than the Sum of Their Parts
Deanna MacNeil, PhD | 5 min read
Scientists study human health in vivo with modified mice that molecularly mimic human biology.
an&nbsp;<em>Aedes aegypti&nbsp;</em>mosquito, black with white dots and stripes on its joints and body, sitting on a person&#39;s skin and feeding.&nbsp;
Smelly Skin Compounds Draw Mosquitoes to Some People More than Others
Katherine Irving | Oct 19, 2022 | 3 min read
People with more carboxylic acids in their body odor are more attractive to mosquitoes, a study finds.
Hawaiian Bobtail squid
Symbiotic Organs: Extreme Intimacy with the Microbial World
Catherine Offord | Oct 3, 2022 | 10+ min read
All multicellular creatures interact with bacteria, but some have taken the relationship to another level with highly specialized structures that house, feed, and exploit the tiny organisms.
Leveraging the Microbiome to Break Down Tumor Resistance
Leveraging the Microbiome to Break Down Tumor Resistance
The Scientist Creative Services Team and PerkinElmer | 1 min read
Mat Robinson and Mark Tangney discuss how enhancing the efficacy of immune checkpoint inhibitors improves patient outcomes.
Illustration of a Hawaiian Bobtail squid
Infographic: Symbiotic Organs Bring Hosts and Microbes Closer
Catherine Offord | Oct 3, 2022 | 2 min read
Specialized structures in plants and animals help attract and mediate communication with bacterial symbionts.
Illustration of intestine containing pink microbes
Fungal DNA, Cells Found in Human Tumors
Catherine Offord | Sep 30, 2022 | 2 min read
It’s not clear whether, or how, the organisms might play a role in disease pathology.
The Gripper Tower lab scene epMotion
Automating NGS Library Prep
The Scientist Creative Services Team and Eppendorf | 3 min read
Liquid handlers specialized for next-generation sequencing (NGS) automate nucleic acid extraction and library preparation from microbiome samples.
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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