Researchers from Konstantin Severinov's laboratory have shown what luck has to do with bacterial cells acquiring and retaining small DNA molecules called plasmids in spite of the countering action of the CRISPR-Cas defense. ...
Evolution
May 6, 2022
0
21
A study led by Princeton researchers has revealed how bacteria navigate obstacles to ensure cohesive group movement. The finding has implications for understanding the general processes of collective migration, from cancer ...
Molecular & Computational biology
Mar 25, 2022
0
74
In molecular biology, transcription is the process of copying a segment of DNA into RNA, whereas a transcription factor (or TF) is a protein that controls the rate of copying this segment. The segments of DNA transcribed ...
Molecular & Computational biology
Feb 24, 2022
0
17
Bacteria as unicellular organisms are attacked by specialized viruses, the so-called bacteriophages or phages for short. To defend themselves against phage infections, bacteria feature a multi-stage protective mechanism, ...
Cell & Microbiology
Feb 15, 2022
0
11
A number of existing strains of SARS-CoV-2, as well as other future variants that could arise, have the potential to escape the immune system's cytotoxic T cell response in some portion of the population. That's the conclusion ...
Molecular & Computational biology
Feb 10, 2022
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797
Scientists have for the first time obtained stem cells from livestock that grow under chemically defined conditions, paving the way for manufacturing cell cultured meat and breeding enhanced livestock.
Cell & Microbiology
Dec 7, 2021
0
156
Bacteria as unicellular organisms reproduce by dividing their entire organism. In this way, they can multiply particularly quickly, which allows the exponential growth of bacterial populations, also known from pathogens. ...
Cell & Microbiology
Nov 16, 2021
0
36
Viruses have a bad reputation. They are responsible for the COVID-19 pandemic and a long list of maladies that have plagued humanity since time immemorial. Is there anything to celebrate about them?
Molecular & Computational biology
Oct 20, 2021
0
11
Juvenile green sea turtles (Chelonian mydas) living in nearshore waters often exhibit tumors that grow on their soft tissues and shells, symptoms of a disease called Green Turtle Fibropapillomatosis. While the disease has ...
Plants & Animals
Oct 12, 2021
0
5
Early in the COVID-19 pandemic, scientists identified how SARS-CoV-2, the virus that causes COVID-19, gets inside cells to cause infection. All current COVID-19 vaccines and antibody-based therapeutics were designed to disrupt ...
Cell & Microbiology
Jun 25, 2021
6
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