Related topics: hiv · antibiotics · bacteria · immune system · virus

Prickly and safe: Boron nitride vs. antibiotics

Materials scientists from MISIS University have presented antibacterial nano-coatings with up to 99.99% efficiency against microbial and fungal pathogens. A material based on boron nitride and ultrafine metallized silver ...

Single-cell RNA sequencing to study salmonella infection

In May 2022, the U.S. Food and Drug Administration (FDA) recalled Jif peanut butter due to potential salmonella contamination. In the last 5 years alone, there have been ~35 food-related salmonella outbreaks. Salmonella enterica ...

Scientists discover new antiviral defense system in bacteria

Bacteria use a variety of defense strategies to fight off viral infection, and some of these systems have led to groundbreaking technologies, such as CRISPR-based gene-editing. Scientists predict there are many more antiviral ...

New drug candidate fights off more than 300 drug-resistant bacteria

Urinary tract infections are common, yet are increasingly tough to treat because the bacteria that cause them are becoming resistant to many antibiotics. Now, in ACS Central Science, researchers report a new molecule that ...

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Infection

An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host's resources to multiply, usually at the expense of the host. The infecting organism, or pathogen, interferes with the normal functioning of the host and can lead to chronic wounds, gangrene, loss of an infected limb, and even death. The host's response to infection is inflammation. Colloquially, a pathogen is usually considered a microscopic organism though the definition is broader, including parasites, fungi, viruses, prions, and viroids. A symbiosis between parasite and host, whereby the relationship is beneficial for the former but detrimental to the latter, is characterised as parasitism. The branch of medicine that focuses on infections and pathogens is infectious disease. "When infection attacks the body, anti-infective drugs can help turn the tide of battle. Four types of anti-infective drugs exist: antibacterial, antiviral, antitubercular, and antifungal. A secondary infection is an infection that occurs during or following treatment of another already existing primary infection.

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