In an experiment that demonstrates how maps of the genetic codes of simpler organisms can shed light on human disease, a computerized comparison of the complete genetic codes of a type of algae, a weed and humans has led medical researchers to a gene linked to a human illness.
The comparison allowed researchers at Washington University School of Medicine in St. Louis to locate human genes that code for proteins likely to become part of hair-like structures on cells known as cilia or flagella. Researchers at Johns Hopkins University used the findings to pin down the location of a gene that contributes to Bardet-Biedl Syndrome (BBS), a rare genetic condition that causes blindness, mental retardation, severe obesity and many other problems.
The genetic comparison was arranged by Susan Dutcher, Ph.D., professor of genetics and of cell biology and physiology at Washington University. Dutcher studies cilia in the green alga Chlamydomonas. The work will be published in the May 14 issue of Cell.
Michael C. Purdy | WUSTL
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Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
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Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
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For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
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An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.
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A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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