elongated blue bacterial cells on a reddish-brown background
Gut Microbiome May Help or Hinder Defenses Against SARS-CoV-2
The health of the microbial community is associated with COVID-19 severity, but it’s not yet clear if the relationship is causal.
Gut Microbiome May Help or Hinder Defenses Against SARS-CoV-2
Gut Microbiome May Help or Hinder Defenses Against SARS-CoV-2

The health of the microbial community is associated with COVID-19 severity, but it’s not yet clear if the relationship is causal.

The health of the microbial community is associated with COVID-19 severity, but it’s not yet clear if the relationship is causal.

probiotic
Bacillus
Could Manipulating the Microbiome of Artworks Prevent Their Decay?
Ashley Yeager | Jun 1, 2019 | 4 min read
Treating the microbial community residing on a painting with probiotics may offer a way to stave off biodegradation, a study suggests.
Probiotics’ Effects on the Microbiome Vary Widely
Abby Olena | Sep 6, 2018 | 4 min read
Experiments in mice and people find that probiotic supplements don’t consistently change the composition of the gut microbiome, and may have adverse effects after antibiotics.
Synthetic Bacteria Help Treat Phenylketonuria in Mice
Diana Kwon | Aug 17, 2018 | 2 min read
The genetically engineered probiotic, already in clinical trials, may ease patients’ strict dietary regimes.
Probiotics Prevent Cholera in Animal Models
Ruth Williams | Jun 13, 2018 | 4 min read
Two different types of bacteria—one genetically engineered and one from cheese—defend animal intestines from Vibrio cholerae infection.  
Peanut Allergy Treatment Works Long Term
Jef Akst | Aug 17, 2017 | 1 min read
Four years after taking a probiotic and peanut protein for 18 months, two-thirds of children in a small clinical trial can eat peanuts with no health issues.
Seeding the Gut Microbiome Prevents Sepsis in Infants
Anna Azvolinsky | Aug 16, 2017 | 4 min read
An oral mix of a pre- and probiotic can decrease deaths from the condition, according to the results of a large clinical trial conducted in rural India. 
TS Picks: May 13, 2015
Tracy Vence | May 12, 2015 | 1 min read
Profiles edition
How a Popular Probiotic Works
Kerry Grens | Apr 16, 2015 | 1 min read
Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.
Sealed With a Kiss
Bob Grant | Nov 16, 2014 | 1 min read
A single intimate smooch can transfer upwards of 80 million bacteria.
DNA Tape Recorder
Kate Yandell | Nov 13, 2014 | 3 min read
Researchers have created a system that edits DNA in response to chemical stimuli or light, allowing bacteria to record environmental events in their genetic material.
Gut Microbes Treat Illness
Chris Palmer | Jul 10, 2013 | 3 min read
Oral administration of a cocktail of bacteria derived from the human gut reduces colitis and allergy-invoked diarrhea in mice.
Acne-Fighting Bacteria
Kate Yandell | Mar 2, 2013 | 1 min read
Some Propionibacterium acnes strains may help prevent pimples.
Bacterial Sentinels of Noses
Ruth Williams | Sep 12, 2012 | 3 min read
Friendly sinus bacteria may keep sinusitis-causing strains in check.
Alternative Medicines
The Scientist Staff | Jul 1, 2012 | 5+ min read
As nonconventional medical treatments become increasingly mainstream, we take a look at the science behind some of the most popular.
Moody Mice Soothed by Bacteria
Jessica P. Johnson | Aug 31, 2011 | 1 min read
A common dietary supplement alters neurotransmission to ease anxiety.