Researchers reveal DNA repair mechanism
A new study adds to an emerging, radically new picture of how bacterial cells continually repair faulty sections of their DNA.
Cell & Microbiology
May 16, 2023
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News tagged with dna molecules
Structural insight into process of gene regulation
In the cell nucleus, numerous proteins bind to the DNA molecule in order to regulate the activity of certain genes. One of these is the TATA-box binding protein (TBP), which binds to a specific DNA sequence and constitutes ...
Cell & Microbiology
Apr 28, 2023
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A novel mechanism by which cells adhere more strongly to their surrounding matrix in response to stress
The DNA molecules in our cells can be damaged by various extrinsic and intrinsic factors called genotoxic stressors; persistent and unchecked damage can lead to developing diseases like cancer. Fortunately, our cells don't ...
Cell & Microbiology
Apr 26, 2023
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DNA packaging supports cell division, finds study
The DNA molecule is located in the cell nucleus as a densely packed complex of DNA and protein, known as chromatin. Wrapped in sections around a core of special proteins known as histones, the DNA forms so-called nucleosomes, ...
Cell & Microbiology
Apr 6, 2023
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Electronic biosensor uses DNA aptamers for detecting biomarkers in whole blood samples
A team of researchers has developed an electronic biosensor based on DNA aptamers that can detect biomarkers in whole blood samples without the addition of reagents. As the team explains in the journal Angewandte Chemie International ...
Biochemistry
Apr 6, 2023
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Researchers uncover the first steps driving antibiotic resistance
Antibiotic resistance is a global health threat. In 2019 alone, an estimated 1.3 million deaths were attributed to antibiotic resistant bacterial infections worldwide. Looking to contribute a solution to this growing problem, ...
Cell & Microbiology
Mar 31, 2023
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Understanding how cohesin makes DNA loops in the human genome and its role in Cornelia de Lange syndrome
Cohesin is a ring-shaped protein that surrounds and moves around the DNA molecule, forming the loops. It is a crucial process for the cell. Understanding how cohesin works has been one of the challenges of molecular biology ...
Cell & Microbiology
Mar 29, 2023
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New asteroid sample study offers further hints of space origin for the building blocks of life on Earth
How did life come about? The answer to this question goes to the very heart of our existence on planet Earth.
Astrobiology
Mar 25, 2023
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A novel biosensor to detect DNA damage in real time
Double-strand breaks (DSBs) are a type of DNA damage where both strands of DNA break at the same location. They can adversely affect cell growth and functioning. Currently, DSBs are detected by immunostaining techniques, ...
Cell & Microbiology
Mar 13, 2023
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Using peptides instead of DNA to tag molecules to speed up drug discovery
A team of chemists at MIT has found that using peptides instead of DNA fragments to tag small molecules can speed up the drug discovery process. Their research is published in the journal Science.
