It’s hard to tell the difference between a virus and bacterial infection as they have similar symptoms. A high fever may indicate a bacterial infection, and symptoms worsening after a few days may also suggest a bacterial infection. It’s best to see a doctor for tests to determine the cause of the illness. It can […]
Bacterial diseases can be deadly and are caused by pathogenic bacteria. Tuberculosis is a common bacterial disease, while Salmonella and Shigella are transmitted through food. Antibiotics are used to treat bacterial diseases, but overuse can lead to antibiotic resistance. Proper cooking and cleaning can help prevent bacterial infections. Bacterial diseases are infectious diseases affecting people, […]
Spontaneous bacterial peritonitis (SBP) is a serious infection that occurs in patients with ascites, causing an infection to spread in the peritoneum. It is more common in patients with cirrhosis and requires prompt treatment with antibiotics. Surgery is usually unnecessary, and patients should be monitored for potential complications. Antibiotic prophylaxis may be recommended to prevent […]
Bacterial meningitis is a life-threatening infection that can cause inflammation in the membranes surrounding the brain and spinal cord. Symptoms include headache, stiff neck, and fever. Prompt treatment with intravenous antibiotics is crucial, and a vaccine is available to protect against some of the organisms that cause the infection. Bacterial meningitis is a life-threatening infection […]
Bacterial endocarditis is an infection of the heart valves or lining caused by bacteria entering the bloodstream. People with pre-existing heart conditions and intravenous drug users are at higher risk. Symptoms include fever, fatigue, and joint pain. Treatment includes antibiotics and surgery. Prevention includes good oral hygiene and taking antibiotics before medical procedures. Bacterial endocarditis, […]
Bacterial diarrhea is caused by ingesting contaminated food or water, with common strains including Campylobacter jejuni, Salmonella, and Escherichia coli. Symptoms include watery diarrhea, abdominal cramps, fever, and dehydration. It is important to stay hydrated and seek medical attention if symptoms last for more than a week. Travelers should take precautions when handling food and […]
Bacterial plasmids are independent DNA strands that can self-replicate and transfer genetic information between organisms. They can perform different functions, such as conjugation and antibiotic resistance. Researchers use plasmids as vectors to insert foreign DNA for research purposes. Plasmids allow bacteria to adapt quickly to their environment, and labs can generate plasmids on demand or […]
Bacterial proteins are important for understanding the functions of bacteria and can be used to develop drugs that target specific organisms. They can also be toxic and cause illness or death. Protein binding can trigger reactions, and mutations can complicate identification of associated proteins. A bacterial protein is a protein that is part of the […]
Bacterial genomes are the genetic information of a bacterium, organized into genes and chromosomes made up of nucleotides. Bacteria have a circular chromosome structure and can evolve through genetic recombination or mutations. DNA sequencing has been used to sequence hundreds of bacterial genomes since the first in 1995. A bacterial genome is the collection of […]
Bacteria are prokaryotic unicellular organisms with a cell wall made of peptidoglycan. They lack nuclei and membrane-bound organelles but have external structures such as flagella, pili, and fimbrae. The cell membrane mediates transport, and the genetic information is encoded in a circular chromosome and plasmids. Ribosomes are the most basic intracellular structures, but some bacteria […]
Intestinal bacterial infections are caused by harmful bacteria in the intestinal tract, often from contaminated food and water. Symptoms include nausea, diarrhea, vomiting, and abdominal pain. Treatment may require antibiotics and supportive care, and severe cases may require hospitalization. Dehydration is a common complication. An intestinal bacterial infection is a disease that occurs in the […]
Bacteria can be pathogenic or beneficial, with various shapes and structures. Dangerous species include H. pylori, streptococcus, Staphylococcus aureus, clostridium botulinum, Escherichia coli, and Legionella pneumophila. Different subspecies of bacteria constantly emerge. There are countless species of bacteria, some of which are pathogenic and some of which are essential for life. Pathogens cause disease in […]
Bacterial cultures are colonies of bacteria grown in labs for various purposes. Samples are collected and stored in optimal conditions before being introduced into petri dishes or nutrient broth. Technicians monitor the growth and use tests such as gram staining and antibiotic sensitivity to learn more about the bacteria. Bacterial cultures are used for patient […]
Bacterial spores are tough copies of genetic material that allow organisms to enter a dormant state when exposed to harsh environments. Some well-known pathogens such as anthrax, tetanus, and botulism can form spores, making them a topic of concern for medical researchers. Spore research examines how they form and how they can be dealt with […]
Estimating the number of bacterial species is impossible with current technology. Using DNA reassociation and mathematical models, estimates range from 10 million to 1 billion species. Sequencing fragments is more cost-effective than whole genomes, and one survey found 20,000 species in 1 quart of seawater. Estimating the exact number of species of bacteria is impossible […]
Meningitis is an infection of the meninges, with viral meningitis caused by a virus and bacterial meningitis caused by bacteria. Bacterial meningitis is more severe and requires immediate hospitalization and treatment with antibiotics, while viral meningitis usually resolves without treatment. Symptoms are similar for both types and can include headaches, high fevers, and stiff necks. […]
Bacterial conjunctivitis is an infection of the eye caused by contagious bacteria, such as strep or staph. Symptoms include redness, itching, and excessive tears, and treatment usually involves antibiotics. It is common in people of all ages and usually does not cause long-term health problems. Bacterial conjunctivitis is an acute infection of one or both […]
Bacterial artificial chromosomes (BACs) are plasmid-based vectors used by microbiologists to insert genes into bacteria. BACs can carry significantly more genetic material than other vectors, allowing for the study of larger genes. BACs are inserted into bacteria using electroporation and can be used to clone large quantities of genetic sequences for study. They have accelerated […]
Bacterial filters prevent the passage of organisms above a certain size and are useful in air supplies, medical devices, and fluid filtration systems. The required filtration level must be indicated on the packaging, and designers must balance porosity and effectiveness. Antibacterial filters are commonly used in air conditioning systems and air supplies to keep people […]
Recognizing symptoms of bacterial meningitis is crucial as it can be fatal if left untreated. Symptoms include fever, stiff neck, headache, altered mental status, poor balance, nausea/vomiting, photophobia, and seizures. Vaccines are available for some forms of the disease. The symptoms of bacterial meningitis are important to recognize because left untreated, meningitis can be a […]
- 1
- 2
