A virus is a microscopic infectious agent that can reproduce only inside a host cell. Viruses infect all types of organisms: from animals and plants, to bacteria and archaea. Since the initial discovery of tobacco mosaic virus by Martinus Beijerinck in 1898, more than 5,000 types of virus have been described in detail, although most types of virus remain undiscovered. Viruses are ubiquitous, as they are found in almost every ecosystem on Earth, and are the most abundant type of biological entity on the planet. The study of viruses is known as virology, and is a branch of microbiology.
A new sensor can detect not only whether a virus is present, but whether it's infectious – an important distinction for containing viral spread.
A unique type of tiny antibody produced by llamas could provide a new frontline treatment against Covid-19 that can be taken by patients as a simple nasal spray.
Scientists created an organoid biobank to investigate the genes that are vital for the spreading of a SARS-CoV-2 infection.
A recent study elaborates how B lymphocytes decide between various cell fates to balance the magnitude of the acute immune responses.
Gliomas are the most common primary brain tumors in adults. Among them, high-grade glioblastomas (GBMs) are particularly known to be notoriously aggressive and invasive, which makes it challenging to treat them.
Using a virus that grows in black-eyed pea plants, nanoengineers at the University of California San Diego developed a new treatment that could keep metastatic cancers at bay from the lungs.
Jumpcode Genomics, a genome technology platform company focused on improving the understanding of human biology, announced today a collaboration with the Translational Genomics Research Institute (TGen), an affiliate of City of Hope, to aid investigations into the genomic epidemiology of SARS-CoV-2, the virus that causes COVID-19.
Rochester Institute of Technology scientists have uncovered new information about the way coronavirus and several of its variants attach to human cells.
CD8+ T cells, also called “killer” T cells, are the killers of the immune system. Upon being primed, they look for and kill cancerous cells or virus-infected cells.
HIV is a master of evading the immune system, using a variety of methods to prevent the body from being able to find and kill it.
Beckman researchers paired microscopy with artificial intelligence to develop a COVID-19 test that's fast, accurate, and cost-effective. All we need to do is say "ahh."
CD8+ T cells -; known as "killer" T cells -; are the assassins of the immune system. Once they are primed, they seek out and destroy other cells that are infected with virus or cells that are cancerous.
Fossils of ancient viruses are preserved in the genomes of all animals, including humans, and have long been regarded as junk DNA. But are they truly junk, or do they actually serve a useful purpose?
Without the prospect of herd immunity on the immediate horizon, speedy detection for COVID-19 remains imperative for helping to curb the pandemic. Point-of-care testing that can provide immediate results is an urgent need.
Stem cell transplants do not lead to changes in the DNA of the donor cells. That's according to a new study, which provides important evidence for the safety of this procedure.
According to scientists, the Delta variant of SARS-CoV-2 has likely spread through its capability to avoid neutralizing antibodies and its heightened infectivity.
A compact CRISPR-Cas system, known as CasMINI, can be employed for gene-therapy and cell-engineering applications as it is easier to deliver into cells.
When an organism encounters a threat in its environment, it is to the species' advantage to warn others of the peril.
A research team at the RIKEN Center for Emergent Matter Science in Japan has developed a diagnostic system that can rapidly and sensitively measure the amount of antibodies in the blood that can protect us from SARS-CoV-2, the virus that causes COVID-19.
Immunologists discovered how immune sensors in infected cells organize and initiate an immune response to infections with living bacteria and viruses.