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Cell & Microbiology Jul 5, 2022

COVID-19 virus spike protein flexibility improved by human cell's own modifications

When the coronavirus causing COVID-19 infects human cells, the cell's protein-processing machinery makes modifications to the spike protein that render it more flexible and mobile, which could increase its ability to infect ...

Cell & Microbiology Jun 30, 2022

Dengue and Zika viruses make infected hosts more delicious to mosquitoes

A study published in the journal Cell on June 30 shows that when humans and mice are infected with dengue or Zika viruses, they secrete a chemical that may make them more attractive to mosquitoes, the vector that transmits ...

Cell & Microbiology Jun 27, 2022

Virus discovery offers clues about origins of complex life

The first discovery of viruses infecting a group of microbes that may include the ancestors of all complex life has been found, researchers at The University of Texas at Austin report in Nature Microbiology. The discovery ...

Polymers Jun 21, 2022

Researchers make virus-fighting face masks

Rensselaer Polytechnic Institute researchers have developed an accessible way to make N95 face masks not only effective barriers to germs, but on-contact germ killers. The antiviral, antibacterial masks can potentially be ...

Veterinary medicine Jun 17, 2022

Bird flu outbreak waning but threat of virus lingers

A bird flu outbreak in the U.S. that led to the deaths of more than 40 million chickens and turkeys and contributed to a spike in egg and meat prices appears to be waning, but experts caution the virus hasn't disappeared ...

Biotechnology Jun 16, 2022

Supercomputing helps reveal weaknesses in HIV-1 virus

Much remains to be discovered on how the HIV-1 virus infects our cells. Scientists know that it slips past the defenses of our immune system, entering white blood cells to deliver its genetic payload and hijack the cell's ...

Optics & Photonics Jun 10, 2022

Determining which wavelengths of UV light work best for COVID-19 virus disinfection

To disinfect a surface, you can illuminate it with a blast of ultraviolet (UV) light, which is bluer than the human eye can see. But to specifically inactivate SARS-CoV-2, the virus that causes COVID-19, which wavelengths ...

Cell & Microbiology Jun 8, 2022

A unique defense: Bacteria lose cell wall in the presence of virus

Bacteria temporarily live without their cell wall if dangerous viruses are near. A remarkable feature, as the cell wall is a sturdy barrier against threats. Still, the discovery has a logical explanation and might be of a ...

Biochemistry Jun 6, 2022

New way to identify influenza A virus lights up when specific virus targets are present

The influenza A virus, which is responsible for seasonal flu outbreaks, is also the only influenza virus that has previously caused flu pandemics. This makes influenza A an important research topic, as the seasonal flu causes ...

Cell & Microbiology Jun 2, 2022

How bacteria store information to kill viruses (but not themselves)

During the last few years, CRISPR has grabbed headlines for helping treat patients with conditions as varied as blindness and sickle cell disease. However, long before humans co-opted CRISPR to fight genetic disorders, bacteria ...

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