Related topics: bacteria ยท colon cancer

Space travel can make the gut leaky

Bacteria, fungi, and viruses can enter our gut through the food we eat. Fortunately, the epithelial cells that line our intestines serve as a robust barrier to prevent these microorganisms from invading the rest of our bodies.

Variability in the molecules of life

How variable are gene transcripts and proteins, the molecules of life, across the tissues and organs of the human body? Furthermore, how variable are they within the same tissue type from different people? Understanding this ...

Study reveals E. coli's secret weapon in launching infections

Most types of Escherichia coli are harmless, but the ones that aren't can cause severe life-threatening diarrhea. These problematic bacteria launch infections by inducing intestinal cells to form tiny structures, called pedestals, ...

Sweet! How C. difficile toxin A enters intestinal cells

Clostridiodes difficile infection has become a leading cause of severe, sometimes fatal diarrheal illness. It flourishes best in hospitals and long-term care facilities where people are on long-term antibiotic treatment, ...

Cell-killing proteins suppress listeria without killing cells

New North Carolina State University research shows that key proteins known for their ability to prevent viral infections by inducing cell death can also block certain bacterial infections without triggering the death of the ...

Bile acid-triggered bacterial adaptation characterized

When bacteria enter the digestive tracts of their hosts, including humans, they encounter a highly acidic environment. Bacteria have evolved elegant mechanisms to survive and colonize this habitat, such as highly resistant ...

Micromotors deliver oral vaccines

Vaccines have saved millions of lives, but nobody likes getting a shot. That's why scientists are trying to develop oral vaccines for infectious diseases. But to be effective, the vaccine must survive digestion and reach ...

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