A model showing proteins called death fold domains (green) telling a caspase enzyme (blue) to kill the cell after it has been compromised by pathogens. The immune system has a tough job: When a tiny ...

In a ground breaking study in the UK researchers have identified a previously unknown mechanism that allows the immune system to fight viruses even after they have infected cells. Until now it was ...

A study has identified a new pathway that human immune deficiency virus (HIV) uses to enter the nucleus of a healthy cell, where it can then replicate and go on to invade other cells. The researchers ...

Influenza epidemics, caused by influenza A or B viruses, result in acute respiratory infection. They kill half a million people worldwide every year. These viruses can also wreak havoc on animals, as ...

LONDON (Reuters) - A virus closely related to smallpox disguises itself as a piece of a broken cell to trick its way into cells, Swiss researchers said on Thursday in a discovery that could lead to ...

Researchers at Utah State University revealed new details about CRISPR immune system defenses, such as Cas12a3 systems, that ...

Researchers say discoveries could expand the CRISPR toolbox and lead to more efficient, rapid diagnostic tools for detecting COVID-19, influenza, and RSV.

The immune system has a tough job: When a tiny virus invades one of our cells, that cell must detect it and, within minutes, decide what to do. If the cell quickly self-destructs, that will prevent ...

Across all domains of life, immune defenses foil invading viruses by making it impossible for the viruses to replicate. Most ...