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tag gut bacteria immunology neuroscience

T regulatory cell in red sandwiching an antigen presenting cell in blue
Gut Bacteria Help T Cells Heal Muscle: Study
Natalia Mesa, PhD | Mar 14, 2023 | 4 min read
Regulatory T cells in the colon travel to muscles to promote wound healing in mice, raising questions about how antibiotics may impact injury recovery.
Colorized scanning electron micrograph of Salmonella bacteria in intestinal tissue
Gut Infections Help Shield Intestinal Neurons from Future Damage
Annie Melchor | Nov 19, 2021 | 4 min read
In mice, a kind of immune memory appears to protect the cells against future harm, a finding that could provide insight into treatments for irritable bowel syndrome and other inflammatory digestive conditions.
neuron surrounded by immune cells
Meningitis Bacteria Trigger Headaches, Then Sneak Into the Brain
Natalia Mesa, PhD | Mar 6, 2023 | 3 min read
Researchers find that bacteria stimulate a headache-causing pain pathway to suppress the immune system and infect the brain. 
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Revealing Neuronal Influencers Among the Gut Microbiome
The Scientist | Mar 2, 2022 | 1 min read
In this webinar, Sarkis Mazmanian and Daniel Mucida highlight how intestinal bacteria influence neuronal function and regeneration.
Haydeh Payami is wearing a purple dress and an orange and pink scarf and standing in front of a whiteboard.
A Microbial Link to Parkinson’s Disease
Mariella Bodemeier Loayza Careaga, PhD | Dec 4, 2023 | 6 min read
Haydeh Payami helped uncover the genetic basis of Parkinson’s disease. Now, she hopes to find new ways to treat the disease by studying the gut microbiome.
Translucent, red-orange organs are shown inside a person’s transparent, blue torso. One region zooms in on blue lung alveoli covered by bright orange microbes.
Bacteria in the Lungs Can Regulate Autoimmunity in Rat Brains
Dan Robitzski | Mar 17, 2022 | 4 min read
Making specific alterations to the bacterial population in a rat’s lungs either better protects the animals against multiple sclerosis–like symptoms or makes them more vulnerable, a study finds—the first demonstration of a lung-brain axis.
A close-up of a fruit fly head with antenna clearly visible in front of its red eyes
Bacterial Infections Disrupt Flies’ Sense of Smell
Abby Olena, PhD | Jul 21, 2021 | 4 min read
The temporary loss of olfaction stops the flies from eating any more of whatever it is that made them sick.
The Role of Mom’s Microbes During Pregnancy
Carolyn A. Thomson and Kathy D. McCoy | Aug 1, 2021 | 10+ min read
Bacteria in the gut influence the production of antibodies and themselves secrete metabolites. In a pregnant woman, these compounds may influence immune development of her fetus.
Editor’s Picks of The Scientist’s Best Infographics of 2020
Jef Akst | Dec 15, 2020 | 2 min read
This year’s most captivating illustrations tell stories from the micro scale—such as newborn neurons in the adult brain and bacteria in the infant gut—to the scale of entire ecosystems, including reintroduced predators and rising seas.
Infographic: Maternal Microbiota Has Lasting Effects on Offspring
Carolyn A. Thomson and Kathy D. McCoy | Aug 1, 2021 | 3 min read
Work in rodents shows that the bacteria living in a mother’s gut can produce immunomodulatory metabolites and influence the production of maternal antibodies—both of which can affect her offspring’s development.

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