Life starts with one cell. When an organism develops, dividing cells specialize to form the variety of tissues and organs that build up the adult body, while keeping the same genetic material—contained in our DNA. In a ...
Molecular & Computational biology
Feb 3, 2022
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38
The COVID-19 pandemic has underscored the urgency for science to continue unraveling how viruses infect and how immune systems respond to such threats.
Cell & Microbiology
Jan 17, 2022
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22
A team of physicists working at the intersection of theory and experiment are shedding new light on the "teamwork" of molecular motors—called RNA polymerases (RNAPs)—that mediate DNA transcription. During transcription, ...
General Physics
Dec 9, 2021
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35
In a text file, the rows of letters A, T, C and G appearing over and over in a dizzying array of combinations, are unremarkable, save perhaps for the absence of all the other letters of the alphabet. Yet the specific sequence ...
Molecular & Computational biology
Nov 26, 2021
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17
In just a few weeks a completely new organism develops from a fertilized egg cell. The real miracle is that a bunch of identical stem cells turns into completely different, specialized cell types. A team led by Christian ...
Cell & Microbiology
Nov 8, 2021
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45
The rapid scientific advancements that followed the mapping of the human genome have revealed just how staggeringly complex the world of genetics is. We now know that proteins are not just the products of genes, but that ...
Molecular & Computational biology
Oct 27, 2021
0
38
Buying tomatoes and other fruits in the grocery store is always a gamble because, however good they look, they are often firm but lack flavor. A group of plant scientists has discovered a gene that could increase the odds ...
Molecular & Computational biology
Oct 19, 2021
1
117
A team led by researchers at Baylor College of Medicine has discovered a mechanism by which transcription factor KLF4 can help to organize chromatin, thus influencing gene expression.
Cell & Microbiology
Sep 22, 2021
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44
At more than 2 meters long, the human DNA molecule uses intricate folding patterns to fit into cells while locally unfolding to express genes. Such phenomena, however, are difficult to measure in experiments, and theoretical ...
Biotechnology
Sep 21, 2021
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20
Scientists from Tokyo Metropolitan University have uncovered a unique mechanism where two transcription factors stabilize each other's binding to DNA in fission yeast. They found that Atf1 and Rst2 help each other stably ...
Molecular & Computational biology
Sep 13, 2021
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