Using a specialized protein, all bacteria are capable of rapidly and effectively repairing damage to their DNA from UV. However, this mutation frequency decline (Mfd) protein plays another role and causes mutations. A team1 ...
Cell & Microbiology
Apr 7, 2021
0
139
How did life begin on Earth and could it exist elsewhere? Researchers at Simon Fraser University have isolated a genetic clue—an enzyme known as an RNA polymerase—that provides new insights about the origins of life. ...
Evolution
Mar 19, 2021
25
6444
An international team of scientists from the University of Turku, Finland and PennState University, U.S. have solved a long-standing mystery of how living organisms distinguish RNA and DNA building blocks during gene expression ...
Biotechnology
Mar 17, 2021
0
18
For the first time ever, a Northwestern University-led research team has peered inside a human cell to view a multi-subunit machine responsible for regulating gene expression.
Cell & Microbiology
Mar 11, 2021
1
291
The enzyme that makes RNA from a DNA template is altered to slow the production of ribosomal RNA (rRNA), the most abundant type of RNA within cells, when resources are scarce and the bacteria Escherichia coli needs to slow ...
Biotechnology
Jan 22, 2021
0
21
In a joint collaboration, Danish and German researchers have characterized a cellular activity that protects our cells from potentially toxic by-products of gene expression. This activity is central for the ability of multicellular ...
Molecular & Computational biology
Jan 5, 2021
0
85
Exposure to mutagens, or mutation-causing agents, can not only bring about changes in DNA but also appear to induce errors when genes are transcribed to make proteins, which may be an important factor in age-related diseases.
Biotechnology
Dec 21, 2020
0
41
At any given moment in the human body, in about 30 trillion cells, DNA is being "read" into molecules of messenger RNA, the intermediary step between DNA and proteins, in a process called transcription.
Cell & Microbiology
Dec 16, 2020
0
50
Scientists have discovered how a common virus in the human gut infects and takes over bacterial cells—a finding that could be used to control the composition of the gut microbiome, which is important for human health.
Biotechnology
Nov 18, 2020
0
24
Deep inside your cells, DNA provides the instructions to produce proteins, the essential molecules that grow and maintain your body.
Cell & Microbiology
Nov 17, 2020
0
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