Scientists have shown that cells' DNA-reading machinery can skim through certain kinds of damaged DNA without skipping any letters in the genetic "text." The studies, performed in bacteria, suggest a new mechanism that can ...
Cell & Microbiology
Feb 9, 2010
0
0
Microelectronic engineers in Singapore have developed and tested sensor technology that can detect and measure a chemical signature of bladder cancer. The light-based sensor could eventually be used for the early diagnosis ...
Analytical Chemistry
Aug 14, 2013
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0
(PhysOrg.com) -- Nature might abhor a vacuum, but it loves a backup plan. In living organisms, physiological systems are kept under tight control by hierarchies of organic safety catches and emergency releases, helping to ...
Biochemistry
Jun 5, 2009
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0
DNA polymerases are the "Xerox machines" that replicate our DNA. They must work with great precision to keep errors from creeping into our genes. In spite of this precision, they still accept building blocks that have been ...
Biochemistry
Jul 13, 2016
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440
Precise control of gene expression—ensuring that cells make the correct components in the right amount and at the right time—is vital for all organisms to function properly. Cells must regulate how genes encoded in the ...
Cell & Microbiology
Feb 10, 2023
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70
Whether revealing a perpetrator with DNA evidence, diagnosing a pathogen, classifying a paleontological discovery, or determining paternity, the duplication of nucleic acids (amplification) is indispensable. In the journal ...
Biochemistry
Mar 12, 2019
1
115
In a future of personalized medicine, doctors may quickly glean the changes in the DNA sequences of patients that predispose them to specific diseases or determine the most appropriate therapeutic approach simply by analyzing ...
Biotechnology
Oct 11, 2016
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1
In your cells, it's almost always spring. Or at least springy.
Molecular & Computational biology
Jan 30, 2020
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47
All cells perform certain basic functions. Each must selectively transcribe parts of the DNA that makes up its genome into RNAs that specify the structure of proteins. The set of proteins synthesized by a cell in turn determines ...
Cell & Microbiology
Oct 9, 2009
0
0
The message of life is encoded in our genomic DNA through transcription of messenger RNAs and translation of proteins to perform cellular functions. To ensure accurate transcription—a process that transcribes genomic DNA ...
Materials Science
Apr 3, 2019
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