Like DNA, centrioles need to duplicate only once per cell cycle. Rogers et al. uncover a long-sought mechanism that limits centriole copying, showing that it depends on the timely demolition of a protein that spurs the organelles' ...
Jan 26, 2009
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Most antibiotics are natural products of bacteria and other microorganisms from the environment. They are part of a silent chemical warfare among microorganisms in soils, rivers and seas right now. The fact that they are ...
Biochemistry
Aug 5, 2024
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5
Researchers at the University of Colorado Anschutz Medical Campus have discovered a mechanism by which a bacterial virus undermines the virulence of Salmonella, allowing the host a chance to rehabilitate.
Cell & Microbiology
Apr 5, 2024
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31
Supersulfides are gaining prominence for their occurrence as low-molecular-weight thiols or persulfidated cysteine residues, observed more frequently in both prokaryotic and eukaryotic cells. These compounds, which are characterized ...
Molecular & Computational biology
Jan 16, 2024
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A recent study in Science uses bioinformatic analysis as well as biochemical and structural studies to characterize a novel family of effector proteins, named Cami1. The research shows that when a virus attacks a bacterium, ...
Biotechnology
Dec 4, 2023
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5
RNA (ribonucleic acid), which is made up of ribonucleotides, is a molecule found in all living organisms. RNA is thought to have probably preceded DNA in primordial life billions of years ago. RNA was eventually replaced ...
Molecular & Computational biology
Nov 27, 2023
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A team of researchers from the Department of Biological Sciences at UNIST has achieved a significant breakthrough in understanding how brain proteins can help alleviate complications arising from DNA replication stress. This ...
Cell & Microbiology
Sep 12, 2023
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Pancreatic β-cells are essential for secreting insulin to regulate glucose homeostasis. During metabolic stress they respond by increasing insulin production and secretion and proliferation to meet the increased metabolic ...
Cell & Microbiology
Sep 7, 2023
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10
When dairy cows are fed diets with reduced protein concentrations—aimed at decreased environmental nitrogen pollution from their manure such as nitrate leaching, nutrient-laden run-off and ammonia volatilization—their ...
Veterinary medicine
Sep 7, 2023
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1
It has been widely acknowledged for a long time that mitochondrion is the main source of reactive oxygen species (ROS). The role of the endoplasmic reticulum (ER)-generated ROS has been less extensively studied. It has been ...
Cell & Microbiology
Aug 4, 2023
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