Host microbial interactions are dynamic, reciprocal biological processes in which multicellular hosts and their associated microorganisms (commensal, symbiotic, or pathogenic) exchange signals, metabolites, and structural components that modulate physiology, development, and immunity. These interactions involve host pattern-recognition receptors detecting microbe-associated molecular patterns, triggering signaling pathways that shape immune tolerance or activation. Microbes, in turn, influence host nutrient acquisition, barrier function, and cellular differentiation through metabolite production, colonization resistance, and modulation of host gene expression. The net outcome of host microbial interactions emerges from complex community-level dynamics, spatial organization at mucosal surfaces, and context-dependent environmental and genetic factors.
The bacterium Segatella copri is one of the most common inhabitants of the human gut. In their latest study, researchers at the Helmholtz Centre for Infection Research (HZI) have discovered that some strains of this bacterial ...
Cell & Microbiology
May 6, 2026
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14
Scientists led by the University of Southampton have revealed that an imbalance of nutrients in seawater can cause coral disease—possibly to a greater extent than that from heat stress of warming oceans. New research conducted ...
Ecology
May 5, 2026
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18
Legumes like soybeans, alfalfa, peas, beans, peanuts and many more have a remarkable ability: They can partner with soil bacteria called rhizobia to capture nitrogen from the air in a biological process called nitrogen fixation. ...
Molecular & Computational biology
May 4, 2026
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6
An international research team led by Cologne-based plant scientist Professor Dr. Bart Thomma from the Institute for Plant Sciences, the Collaborative Research Center MiBiNet and the CEPLAS Cluster of Excellence for Plant ...
Cell & Microbiology
Apr 30, 2026
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15
In every backyard, park, and playground on Earth, the ground is teeming with a type of bacteria called Streptomyces—one of the most abundant organisms on the planet. While these dirt-dwelling microbes are known for producing ...
Cell & Microbiology
Apr 30, 2026
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115
Researchers have developed a powerful new tool that can track how microbes spread between people with unprecedented precision, offering new ways to prevent infections and improve treatments in the future. The research, published ...
Cell & Microbiology
Apr 24, 2026
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10
Trichoderma species—a common fungus found in soils—have varying abilities to promote tomato plant growth and differentially affect the abundance of certain soil bacteria, according to a study led by researchers at Penn State.
Ecology
Apr 23, 2026
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102
Adelaide University researchers and industry partners have uncovered scientific evidence that daily probiotic and postbiotic supplementation can significantly boost gut and skin health in dogs, offering pet owners a promising ...
Veterinary medicine
Apr 20, 2026
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18
Living with friends may quietly be altering your gut bacteria, according to a new study from the University of East Anglia. Research on a colony of tiny island birds reveals they share more of their gut bacteria with the ...
Ecology
Apr 10, 2026
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22
Sharing habitat with livestock is changing elephants' gut bacteria in ways that could be harmful to their health, according to new research conducted by San Diego Zoo Wildlife Alliance in collaboration with Save the Elephants. ...
Plants & Animals
Apr 8, 2026
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