Salmonella is notorious for surviving and replicating in macrophages, which are normally lethal to invading bacteria because of their inhospitable environment. In a new study, researchers have discovered how a system of proteins, ...
Cell & Microbiology
Jan 11, 2024
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21
Though the harnessing of antibiotics is one of the most significant human innovations, their efficacy is continuously eroded by the craftiness of their microbial targets. Once a single bacterium mutates to become resistant ...
Cell & Microbiology
Jan 16, 2023
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5
Salmonella are food-borne pathogens that infect millions of people each year. To do so, these bacteria depend on a complex network of genes and gene products that allow them to sense environmental conditions. In a new paper, ...
Molecular & Computational biology
Jan 3, 2023
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16
As long as humans have been around, there have been pathogens to make us sick. Some have achieved infamy in human history—the bubonic plague, for example, or smallpox—and with modern technologies, scientists can time-travel ...
Evolution
Oct 17, 2022
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15
The ways in which bacteria infect cells are important for understanding host-pathogen interactions. The knowledge also opens up a world of practical applications.
Molecular & Computational biology
Aug 1, 2022
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84
In order to cause disease, the human pathogen Staphylococcus aureus must adapt to the changing host environment. Many of these adaptations are mediated through two-component signal transduction systems (TCSs) that coordinate ...
Cell & Microbiology
Dec 6, 2021
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5
Two factors that control the expression of a key gene required by luminescent bacteria to kill competing bacterial cells have been identified. The finding, by researchers at Penn State, sheds light on the molecular mechanisms ...
Cell & Microbiology
Mar 7, 2020
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442
Scientists at the APC Microbiome Ireland SFI Research Centre have added to their arsenal of new antimicrobials with discoveries of Nisin J, a new antimicrobial produced from staphylococcal bacteria found on human skin and ...
Cell & Microbiology
Feb 13, 2020
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12
A bacterial infection is not just an unpleasant experience—it can also be a major health problem. Some bacteria develop resistance to otherwise effective treatment with antibiotics. Therefore, researchers are trying to ...
Cell & Microbiology
Nov 22, 2019
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17
The molecular mechanism used by many bacteria to kill neighboring cells has redundancy built into its genetic makeup, which could allow for the mechanism to be expressed in different environments. Some strains of luminescent ...
Cell & Microbiology
Aug 15, 2019
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