Researchers at the University of California, San Diego have found that DNA packs more easily into the tight confines of a virus when given a chance to relax, they report in a pair of papers to be published in in the early ...
General Physics
May 26, 2014
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Bacteria and the viruses that infect them are engaged in a molecular arms race as ancient as life itself. Evolution has equipped bacteria with an arsenal of immune enzymes, including CRISPR-Cas systems, that target and destroy ...
Cell & Microbiology
Dec 9, 2019
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(PhysOrg.com) -- Viruses are the most abundant parasites on Earth. Well known viruses, such as the flu virus, attack human hosts, while viruses such as the tobacco mosaic virus infect plant hosts.
Cell & Microbiology
Jun 30, 2011
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When you hear the term "evolutionary tree," you may think of Charles Darwin and the study of the relationships between different species over the span of millions of years.
Evolution
Apr 7, 2020
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Bacteria may not have brains, but they do have memories, at least when it comes to viruses that attack them. Many bacteria have a molecular immune system which allows these microbes to capture and retain pieces of viral DNA ...
Cell & Microbiology
Feb 20, 2015
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Viruses can wreak havoc on bacteria as well as humans and, just like us, bacteria have their own defence system in place, explains Professor John van der Oost, at the Society for General Microbiology's spring meeting. Uncovering ...
Cell & Microbiology
Mar 31, 2010
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Genome engineering may be the future of medicine, but it relies on evolutionary advances made billions of years ago in primordial bacteria, the original masters of gene editing.
Evolution
Sep 27, 2023
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ETH Zurich researchers demonstrate how vaccinia virus manipulates the cellular waste-disposal system and thereby cleverly tricks the cell into assisting the intruders replication. Now, the virologists have turned the tables, ...
Cell & Microbiology
Oct 19, 2012
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Viral DNA in human genomes, embedded there from ancient infections, serves as antivirals that protect human cells against certain present-day viruses, according to new research.
Molecular & Computational biology
Oct 27, 2022
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Researchers at the University of California, Berkeley, have discovered how Cas1-Cas2, the proteins responsible for the ability of the CRISPR immune system in bacteria to adapt to new viral infections, identify the site in ...
Biotechnology
Jul 20, 2017
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