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Intestinal bacteria

The cover photo on the issue: Cell Host & Microbe This is how the bacteriophages (in purple) affect the function of the bacteria by reversing the DNA - a reversal that changes their effect on the immune system. This effect is demonstrated by changing the color of the bacteria from yellow to green. Illustration credit: Tomm Blum

Gut bacteria are able to change their 'software' in response to inflammation, which may affect the immune system

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The intestine is a very dynamic organ that is constantly changing structurally, mechanically and chemically, and the intestinal bacteria are required to cope with this dynamism. One of the features that may help them in this is plasticity - the ability to undergo rapid genomic changes in response to changes in environmental conditions
Colonies of bacteria grow in a petri dish. Photo: depositphotos.com

How can interactions between bacteria predict evolutionary changes in the microbiome?

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In a study published in Nature Communications, Dr. Yonatan Friedman and PhD student Nitai Maroz from the Faculty of Food and Environmental Agriculture at the Hebrew University bring science closer to engineering a unique microbiome for specific needs in humans, animals, plants and the environment
Intestinal bacteria. Photo: Eran Alinev's laboratory, Weizmann Institute

The intestinal bacteria may influence the development processes of ALS disease

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Image 1: E.coli bacteria at 10,000x magnification. Image source: Agricultural Research Service, via Wikipedia.

Same bacteria - different effect

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Intestinal bacteria. Illustration: shutterstock

The effect of probiotic preparations varies from person to person, and may even be undesirable

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The intestinal cells of the mouse are shown in blue and the intestinal bacteria are marked in different colors to learn about their location in the intestine and the relationships between them. Courtesy of the Technion.

The researcher who examines the effect of the population of bacteria in the intestines on our body

Photography from the intestinal cavity to their surface using a scanning electron microscope. You can see groups of bubbles protruding from the surface of the goblet cells, on their way to be released into the intestinal cavity. In a mouse without inflammasome, the bubbles are prominent but not secreted

Control, ripening and excrement

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