Articles tagged with Bacterial Chromosomes
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Researchers at Hebrew University have identified a new protein that scans DNA for damage during bacterial sporulation, identifying a key mechanism in the process. This discovery may aid in understanding diseases involving DNA damage, such as cancer.
A recent scientific study found that a specific gene variation on chromosome 17 is associated with an increased risk of developing active tuberculosis. The MCP-1 protein, which attracts immune cells to sites of infection, was found to play a crucial role in the early immune response to TB-causing bacteria.
A recent study has discovered that plant wounds trigger the release of chemical signal molecules that attract bacteria, causing a cancer-like disease called crown gall. The discovery may lead to novel controls for gall tumors and potentially a cure for this economically significant disease.
Researchers find that stressed cells introduce errors in DNA repair, but only in specific locations and times, which can increase the chances of beneficial mutations. This process may accelerate the evolution of complex protein machines.
A new study reveals that about 13% of ocean bacteria contain the light-sensitive proteorhodopsin enzyme, which harnesses sunlight's energy to survive in nutrient-poor environments. The discovery also sheds light on the potential for these microorganisms to metabolize sulfur and manufacture retinal, a molecule associated with vision.
Researchers sequenced the genome of Rickettsia felis to understand its biology and behavior. They discovered two unexpected plasmids that can replicate on their own, leading to novel techniques for study. The discovery also revealed a conjugation mechanism, forcing a reevaluation of how intracellular bacteria exchange genetic material.
Researchers aim to develop drugs that block anthrax spore germination by understanding the role of Coenzyme A in regulating the process. By studying three-dimensional protein structures, they hope to identify vulnerabilities for new therapeutic agents.
The sequencing of S. pomeroyi, an ocean bacterium, provides valuable tools to understand its functions and impact on the atmosphere. Early investigation reveals 4,283 regions in the genome that predict protein synthesis and cellular machinery.
Researchers at OHSU have determined the structural basis underlying a crucial mechanism that allows gram-positive bacteria to adapt to available energy sources. This finding could lead to the development of new antibiotics that disrupt this mechanism, making bacteria more susceptible to counter-attacks by the human body.
The TIGR president discussed the significance of finding anthrax toxin genes in a naturally occurring microbe other than Bacillus anthracis. The study found these genes in a virulent strain of Bacillus cereus, suggesting natural horizontal gene transfer may have occurred.
Campbell's work on bacteriophage lambda demonstrated the relationship between its genome and host, leading to key findings in genetic and biochemical studies of site-specific recombination. His extensive contributions also include discovery of nonsense mutations, bacterial gene regulation, and microbial population dynamics research.
Campbell's groundbreaking research on bacteriophage lambda paved the way for studies on site-specific recombination and genome manipulation. His work has significantly advanced our understanding of microbial population dynamics and genome evolution.
E. coli cells quadruple Pol IV enzyme production as they starve, allowing them to adapt and survive through increased genetic variation. This discovery could help hospitals combat nosocomial infections by developing new strategies for quickly mutating bacteria.
Researchers have identified a gene variant, Trl-4, that controls Mycobacterium tuberculosis growth in the lung, which may lead to innovative prevention and treatment strategies. The discovery sheds light on why some infected individuals are able to fight off the infection while others succumb to the disease.
Researchers discovered that sirtuins, a family of proteins controlling cellular respiration, may play a crucial role in extending lifespan. Sirtuins modify an enzyme to convert acetate into acetyl-CoA, a key component of energy production.
Researchers have successfully determined the structure of a biological clock protein called KaiC in blue-green algae, shedding light on internal clock mechanisms. The protein's ring-like hexagonal structure suggests it interacts directly with DNA, potentially regulating gene expression and controlling the wake-sleep cycle.
Infants and adults are susceptible to bacterial meningitis-induced CNS cell death, leading to severe neurological outcomes. Researchers investigated the underlying mechanisms of this devastating condition, shedding light on potential therapeutic targets for treatment and prevention.
Researchers identified a toxin gene in Chlamydia trachomatis that causes blindness and debilitating genital tract infections. The discovery offers new avenues for treating or preventing these diseases.