You know you have a skeleton, but did you know that your cells have skeletons, too? Cellular skeletons, or cytoskeletons, are shapeshifting networks of tiny protein filaments, enabling cells to propel themselves, carry cargo, ...
Cell & Microbiology
Aug 9, 2019
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133
(Phys.org) —Jonathan Tang had a problem. A graduate student studying neural circuitry in the retina, he wanted to do more than identify fluorescent cells that send signals to the brain. He sought to understand how these ...
Biotechnology
Aug 16, 2013
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0
Proteins are the chief actors in cells, carrying out the duties specified by information encoded in our genes. Most proteins live only two days or less, ensuring that those damaged by inevitable chemical modifications are ...
Cell & Microbiology
Sep 3, 2013
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0
An international team of researchers has sequenced the genome of the tobacco hornworm—a caterpillar species used in many research laboratories for studies of insect biology.
Biotechnology
Aug 15, 2016
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458
Snakes and lizards are reptiles that belong to the order Squamata. They share several traits but differ in one obvious respect: Snakes do not have limbs. The two suborders diverged more than 100 million years ago. Identification ...
Evolution
Feb 7, 2019
11
273
A "window to evolution" has opened after mathematicians uncovered the universal explanatory framework for how molecules interact with one another to adapt to new and variable conditions while maintaining tight control over ...
Mathematics
Apr 27, 2023
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65
Experiments at Johns Hopkins have unearthed clues about which protein signaling molecules are allowed into hollow, hair-like "antennae," called cilia, that alert cells to critical changes in their environments.
Biochemistry
May 12, 2013
1
0
New research has revealed a new way to measure incredibly minute forces at the nanoscale in water, pushing the boundaries of what scientists know about the microscopic world.
Bio & Medicine
Jun 21, 2024
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59
A bacterial protein helps to stop transcription—the process of making RNA copies of DNA to carry out the functions of the cell—by causing the cellular machinery that transcribes the DNA to pause at the appropriate spots ...
Biotechnology
May 7, 2021
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82
A study published today in the journal eLife has shown that a protein called Astrin is important for the timely and even separation of chromosomes during cell division.
Molecular & Computational biology
Dec 27, 2019
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