In 1998, scientists found the mammalian version of a gene, known as timeless, which in flies is crucial for the biological clock. However, all but one of the research groups involved determined that timeless did not have such a role in mammals. Now that research group says timeless is indeed a key timekeeper in mammals.
In a new complex molecular study of rats, published in the Oct. 17 issue of Science, researchers at the University of Illinois at Urbana-Champaign blocked the functional ability of timeless, leaving the circadian clock in disarray.
The key difference between the previous studies and this new one was the identification of two timeless proteins -- one a full-length protein and the other a shorter, incomplete version.
Jim Barlow | EurekAlert!
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
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Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
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