Researchers investigating the gut microbiome have isolated more than a hundred bacterial species that have never previously been identified. The discovery has led to the creation of what is now the most comprehensive database of human health-associated intestinal bacteria to date.
Bacteriophages are a special type of virus that infect bacteria and have amazing structural and functional diversity. When a bacteriophage infects a bacterium, it can hijack the molecular machinery of the cell to make lots of progeny, and then burst, or lyse, the host cell to release the new virions – this is known as the lytic cycle.
Each microorganism has different requirements; while some microorganisms are easy to grow (i.e. non-fastidious), others have a very specific set of requirements in order to grow (i.e. fastidious). This article describes the growth of fastidious microorganisms in culture.
The human gut contains trillions of bacteria that form the gut microbiome or microbiota. A new research has linked the composition of this gut microbiome and depressive disorder. The study titled, “The neuroactive potential of the human gut microbiota in quality of life and depression,” was published in the latest issue of the journal Nature Microbiology this week.
The intestinal microbiome is not only key for food processing but an accepted codeterminant for various diseases. Researchers led by the University Medical Center of Johannes Gutenberg University Mainz identified effects of nanoparticles on intestinal microorganisms.
Researchers at Zhenjiang University School of Medicine, China have found that disruption in the microbial composition of the tongue coating could serve as a biomarker for early-stage pancreatic cancer.
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