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.
Human genes are written in long strings of three-letter units composed of four different nucleotides. These units—or codons—specify one of many amino acids, the building blocks of proteins. Multiple codons can encode the ...
Cell & Microbiology
Mar 19, 2026
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14
Proteins, one of the smallest building blocks of life on Earth, hold promise for answering some of biology's biggest questions. Consisting of amino acids strung together into peptide chains, these molecules perform much of ...
Biotechnology
Mar 18, 2026
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29
Many proteins have a complex architecture that enables biological functions. Molecules can bind to specific sites on a protein and alter its function. A team at HZB has now investigated the Nsp1 protein, which plays a role ...
Molecular & Computational biology
Mar 6, 2026
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24
Fruit flies, mice, zebrafish, yeast and the tiny worm C. elegans are model organisms that have carried modern biology on their backs.
Biotechnology
Mar 1, 2026
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82
A research team affiliated with UNIST has unveiled an innovative, cost-effective biosensor capable of being washed and reused, paving the way for more accessible liquid biopsy diagnostics. This new platform aims to reduce ...
Bio & Medicine
Feb 26, 2026
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10
When scientists want to study aging and how to slow it down, they often turn to microscopic worms or lab mice among other models. The former are too different from humans, while the latter are expensive and take too long ...
A research team has developed the "SUPER (Synthetic Upcycling Platform for Engineering Regulators)" platform, which dramatically enhances the performance and stability of gene regulatory devices. This research was recently ...
Biotechnology
Feb 10, 2026
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18
Researchers at the School of Biological Sciences of The University of Hong Kong (HKU) have uncovered how eukaryotic cells can control gene activity even after losing one of their major gene-regulatory systems during evolution. ...
Cell & Microbiology
Feb 2, 2026
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31
DNA can be thought of as a vast library that stores all genetic information. Cells do not use this information all at once. Instead, they copy only the necessary parts into RNA, which is then used to produce proteins—the ...
Biotechnology
Jan 31, 2026
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267
An international team of researchers including scientists from The Australian National University (ANU) have developed a way to reveal the smallest of malfunctions in the biochemical machinery that makes proteins in our bodies. ...
Biotechnology
Jan 27, 2026
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