The cells in our bodies can divide as often as once every 24 hours, creating a new, identical copy. DNA binding proteins called transcription factors are required for maintaining cell identity. They ensure that daughter cells ...
Cell & Microbiology
Aug 15, 2013
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0
Anyone who's tried a weekend home improvement project knows that to do a job right, you've got to have the right tools. For cells, these "tools" are proteins encoded by genes. The right genes for the job are turned on only ...
Biotechnology
Apr 11, 2012
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0
To understand and control aging is the aspiration of many scientists. Researchers at the Biozentrum of the University of Basel have now discovered that the protein Gcn4 decreases protein synthesis and extends the life of ...
Cell & Microbiology
Sep 6, 2017
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5
A new study in Science from Karolinska Institutet maps out how different DNA-binding proteins in human cells react to certain biochemical modifications of the DNA molecule. The scientists report that some 'master' regulatory ...
Biotechnology
May 4, 2017
8
288
Proteins are essential for processes that sustain life. They are created in cells through a process called gene expression, which uses instructions from stretches of DNA called genes to build proteins. Sometimes genes are ...
Biotechnology
May 13, 2016
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64
Sensors made from custom DNA molecules could be used to personalize cancer treatments and monitor the quality of stem cells, according to an international team of researchers led by scientists at UC Santa Barbara and the ...
Bio & Medicine
Sep 7, 2011
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0
A new method allows researchers to systematically identify specialized proteins that unpack DNA inside the nucleus of a cell, making the usually dense DNA more accessible for gene expression and other functions. The method, ...
Cell & Microbiology
Jul 12, 2018
2
128
Tuberculosis-causing mycobacteria use a select group of proteins known as virulence factors to transmit the disease, which infects roughly one third of the world's population and causes 1.7 million deaths annually. Those ...
Cell & Microbiology
Nov 27, 2017
0
213
In nearly every organism's genome, scattered between genes that encode proteins, long regulatory regions stretch across expanses of DNA. Understanding what role these so-called enhancer regions play in controlling the activation ...
Biotechnology
Jul 1, 2013
1
0
Cells need powerhouses known as mitochondria to utilize the energy stored in our food. Most of the proteins required for this powerhouse function are encoded in the nucleus and transported into the mitochondria after they ...
Cell & Microbiology
Oct 21, 2019
0
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