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.
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.

bacteria
Q&A: What You Need to Know About Melioidosis
Q&A: What You Need to Know About Melioidosis
Christie Wilcox | Aug 16, 2021
CDC investigators continue to search for the source of the bacteria that caused four infections—two of them lethal—in four different states. The Scientist spoke with melioidosis expert Bart Currie about the disease.
Longer Days Led to Oxygen Buildup on Early Earth: Study
Longer Days Led to Oxygen Buildup on Early Earth: Study
Amanda Heidt | Aug 3, 2021
Researchers propose that some of the planet’s earliest photosynthesizers benefited from a slowing of the Earth’s rotation that allowed them to produce a surplus of oxygen and paved the way for more complex life.  
Infographic: Maternal Microbiota Has Lasting Effects on Offspring
Infographic: Maternal Microbiota Has Lasting Effects on Offspring
Carolyn A. Thomson, Kathy D. McCoy | Aug 1, 2021
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.
The Role of Mom’s Microbes During Pregnancy
The Role of Mom’s Microbes During Pregnancy
Carolyn A. Thomson, Kathy D. McCoy | Aug 1, 2021
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.
Bacterial Infections Disrupt Flies’ Sense of Smell
Bacterial Infections Disrupt Flies’ Sense of Smell
Abby Olena | Jul 21, 2021
The temporary loss of olfaction stops the flies from eating any more of whatever it is that made them sick.
Human Protein Dissolves Bacterial Membranes
Human Protein Dissolves Bacterial Membranes
Abby Olena | Jul 15, 2021
The protein, apolipoprotein L3, destroys invading microbes by acting as a detergent in the cytosol.
Infographic: Microbiome-Driven Adaptations in Animals
Infographic: Microbiome-Driven Adaptations in Animals
Catherine Offord | Jul 1, 2021
Researchers are using experiments and observational studies to look for host genetic variation that could be partly determined by the gut microbiota.
Identifying a Killer, 1895
Identifying a Killer, 1895
Catherine Offord | Jul 1, 2021
A contaminated ham put bacteriologist Émile Pierre-Marie van Ermengem on the path to discovering the microbe that produces botulinum toxin.
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
Signs of Ancient Microbial Life Abundant in Earth’s Crust: Study
Signs of Ancient Microbial Life Abundant in Earth’s Crust: Study
Catherine Offord | Jun 3, 2021
Researchers report chemical and molecular signatures of microbial activity from millions of years ago in mineral samples from abandoned mines in Sweden and nearby countries.
Infographic: What Are Bacterial Nanotubes?
Infographic: What Are Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021
Unlike other cellular appendages, bacterial nanotubes are made solely of lipids and can connect the cytoplasm of different microbial species.
Leader of the Pack, 1903–1994
Leader of the Pack, 1903–1994
Lisa Winter | Jun 1, 2021
Ruth Ella Moore had a trailblazing career, overcoming barriers of racism and sexism as she pursued her interest in microbiology.
What’s the Deal with Bacterial Nanotubes?
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?