Contemporary research has revealed specific mechanisms viruses use to get inside cells and infect them. An individual viral particle, called a virion, is a far simpler structure than a …

SARS-CoV-2 is an enveloped virus, meaning that it has a lipid membrane (an outer covering made of a fat-like substance). The protein spikes covering the virus's envelope allow it to bind …

Viral pathogenesis seeks to understand how a virus interacts with its host at multiple levels. Key questions include the source (an infected human, animal, or insect vector), the transmission …

Jan 6, 2023 · In a stunning feat of microscopy, scientists have been able to produce a video showing a tiny virus circulating around cells prior to infection.

Viruses that infect animal cells generally use cell-surface receptor molecules that are either very abundant (such as sialic-acid-containing oligosaccharides, which are used by the influenza …

Viral interference with the cell cycle can have a myriad of different effects to improve virus infection, for example to promote replication of viral DNA genomes, or to delay the cell cycle to …

Nov 23, 2024 · Some infected cells, such as those infected by the common cold virus known as rhinovirus, die through lysis (bursting) or apoptosis (programmed cell death or “cell suicide”), …

Viruses have evolved to enter cells from all three domains of life — Bacteria, Archaea and Eukaryotes. Of more than 3,600 known viruses, hundreds can infect human cells and most of …

Nov 21, 2023 · Viruses recognize specific proteins or sugars on host cells and stick to them. Each virus gets only one shot at putting its genome inside a cell – if their entry machinery misfires, …

Nov 21, 2024 · Researchers have successfully filmed a giant virus infecting amoebae. We know that viruses infect cells, but what does that process actually look like? Sure, diagrams can be …