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Breakthrough in understanding ‘tummy bug’ bacteria

Scienmag

Credit: University of Exeter Bioimaging Unit Scientists have discovered how bacteria commonly responsible for seafood-related stomach upsets can go dormant and then “wake up” Vibrio parahaemolyticus is a marine bacterium that can cause gastroenteritis in humans when eaten in raw or undercooked shellfish such as oysters and mussels.

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Study shows why some people may become seriously ill from meningococcal bacteria

Scienmag

Credit: Francesco Righetti Researchers at Karolinska Institutet in Sweden have come one step closer toward understanding why some people become seriously ill or die from a common bacterium that leaves most people unharmed.

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Pathogenic bacteria rendered almost harmless

Scienmag

By identifying one of the mechanisms regulating the virulence of Pseudomonas aeruginosa, a UNIGE team is proposing a new strategy to combat this bacterium, which is resistant to many common antibiotics Credit: © UNIGE Pseudomonas aeruginosa is an opportunistic pathogenic bacterium present in many ecological niches, such as plant roots, stagnant water (..)

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Probiotics increase gut bacteria diversity in extremely preterm infants

Scienmag

A new clinical study has shown that supplements of a lactic acid bacterium may have positive effects by increasing the diversity of intestinal bacteria in these infants. Extremely preterm infants can suffer from a life-threatening inflammation of the gut.

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Commensal bacteria ‘vaccine’ may safely prep immune cells for meningitis-causing cousin

Scienmag

Researchers have produced vaccine-like immune responses to a dangerous bacterium by colonizing 26 healthy volunteers with a related, but harmless, commensal bacterial species.

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Common bacteria modified to make designer sugar-based drug

Scienmag

— Envisioning an animal-free drug supply, scientists have — for the first time — reprogrammed a common bacterium to make a designer polysaccharide molecule used in pharmaceuticals and nutraceuticals. Process paves a road to safe, ethical, and fast drug manufacturing Credit: Rensselaer Polytechnic Institute TROY, N.Y.

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A gene in tuberculosis bacteria is found essential for siderophore secretion and virulence

Scienmag

of the University of Alabama at Birmingham have made what they call “a major step” in understanding how Mycobacterium tuberculosis acquires iron from its human host — a process essential for the pathogenesis of this bacterium. . – Lei Zhang, Ph.D., and Michael Niederweis, Ph.D.,