Molecular biology is a discipline within the life sciences that investigates biological processes at the level of molecules, primarily nucleic acids and proteins. It focuses on the mechanisms of DNA replication, repair, recombination, transcription, and RNA processing, as well as translation and post-translational modification of proteins. Molecular biology integrates concepts and methods from biochemistry, genetics, and cell biology, employing techniques such as cloning, PCR, sequencing, gene editing, and transcriptomic and proteomic profiling. It underpins contemporary research in areas including gene regulation, signal transduction, developmental biology, pathogen–host interactions, and the molecular basis of disease.
A new Northwestern Medicine study published in the Proceedings of the National Academy of Sciences has explored the impacts of aging on essential cellular processes, findings that could shape the development of future anti-aging ...
Cell & Microbiology
12 hours ago
0
8
In the study of bacteria, a longstanding dogma has held that two molecular machines—RNA polymerase, which leads the way in transcribing DNA into RNA, and ribosomes, which bring up the rear translating RNA into proteins—worked ...
Cell & Microbiology
Jul 2, 2026
0
9
A new study published in the Proceedings of the National Academy of Sciences has offered insight into how Staphylococcus aureus, a major human pathogen, fine-tunes its internal machinery to survive stress and potentially ...
Cell & Microbiology
Jun 29, 2026
0
7
A new method for recognizing and targeting DNA that dramatically expands the range of genetic sequences scientists can identify has been developed by experts at the University of Portsmouth. Published this week in Nature ...
Biotechnology
Jun 24, 2026
0
21
Proteins carry out almost every important function in our body, from copying our DNA to turning the food we eat into energy. These tiny "molecular machines" are first made by our cells as straight chains, like long pieces ...
Molecular & Computational biology
Jun 18, 2026
0
14
Typically, the information encoded in DNA allows organisms to develop, function, and pass traits across generations. Yet DNA alone does not explain how genes are switched on and off in different cells and environments. This ...
Evolution
Jun 7, 2026
1
73
Cell function is determined by how DNA is expressed into proteins. That process includes two main steps—transcription, when messenger RNA (mRNA) makes copies of active genes; and translation, when mRNA guides protein assembly.
Biotechnology
Jun 1, 2026
0
10
Biomolecules are naturally occurring molecules that form the basis of living systems. They are widely used in the production of a diverse range of materials. One such widely used biomolecule is sulfated polysaccharide (SPS), ...
Biotechnology
May 28, 2026
0
13
University of Cincinnati structural biologists are the first in the world to visualize a key cell protein as part of newly published research from the College of Medicine. The Seegar Lab has become the first to visualize ...
Cell & Microbiology
May 25, 2026
0
70
Scientists at the Icahn School of Medicine at Mount Sinai have created a new artificial intelligence (AI) model that helps reveal how genes function together inside human cells, offering a powerful new way to understand biology ...
Cell & Microbiology
May 21, 2026
0
19
