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Tag: "actually" at biology news

Study findings offer potential new targets for antibiotics

...out if their initial hunch was correct ?that there actually are other "hot spots" on a ribosome that could act as potential targets for antibiotics ?the researchers first introduced a mutated copy of the ribosomal genes into E. coli cells and looked for those rare mutations that could interfere with cell grow...

What Makes The Brain Tick, Tick, Tick: Researchers Gaining New Insights Into Brain's Internal Clock

...y go forward in time to predict something, without actually changing your position in space." Understanding the machinery of interval timing is profoundly difficult because it is "amodal," said Buhusi and Meck. That is, the interval timing clock is independent of any sense -- touch, sight, hearing, taste or ...

Female butterflies go for sparkle -- not size -- when choosing to mate

... females also display them and it is not clear who actually has a chance to observe them, since the female butterfly usually hides them at rest. ...

Baby's genes affect mom's cholesterol levels

...es can compensate for their defects, the women may actually be able to bear children without complications. ...

Software 'agents' could help unmask reality of disease clusters

...ers need to get the information they need, or else actually obscure the results. "This degrades the ability of public health researchers to identify, for example, the risk of exposure to lead associated with urban highways or clusters of cancer cases. "Such widespread concerns can only be addressed using mi...

Research casts doubt on circulating stem cells

...that the stem cells circulating in the blood could actually transform themselves into nerve tissue. It looked ... was to find out whether the stem cell nuclei were actually producing muscle proteins. Here, the results were negative: "If at all, very few nuclei produced dys...

DNA size a crucial factor in genetic mutations, study finds

...to the term, some mutations create new traits that actually benefit the organism or yield no effect. These small-scale changes, collectively called genetic drift, play an important role in evolution, as does natural selection. To make their DNA bases, Kool started with a molecule similar to thymine-called an...

Researchers find Amchitka seafood safe for now

...ugh time to know what levels of radionuclides were actually there (since some radionuclides are present in any marine system). It had then to distinguish whether what it did find might have come from the nuclear tests ?or was from other sources such as fallout, or even was naturally-occurring. For example, CR...

UF study first to quantify validity of DNA I.D. tool using marine snails

...o test its performance. This is the first study to actually put realistic numbers on it." Because species around the world are disappearing faster than biologists can identify them, the need for a quick and accurate method of classifying life has never been more pressing, Meyer said. With millions of animal ...

Cracking the perception code

...robe was vibrating with a higher frequency than it actually was. The same thing happened in reverse; if a stimulus was given for only 250 milliseconds, the monkeys thought it was vibrating at a lower frequency. The effect was stronger for the shortened stimulus than for the lengthened stimulus, Romo noted. B...

Scientists develop nanotech-laser treatment that kills cancer cells without harming healthy tissue

...ects when placed under near-infrared light. "It's actually quite simple and amazing," Dai observes. "We're using an intrinsic property of nanotubes to develop a weapon that kills cancer." Trojan horse To assure that only diseased cells were destroyed in the experiment, the scientists had to find a way to s...

Gene therapy works in mice to prevent blindness that strikes boys

...th devastating results. What happens is the retina actually begins to split in the middle, causing loss of central vision - that's the vision that you need to be able to read or walk around." Scientists say the gene transfer method eventually could be applied to many eye diseases caused by single gene defect...

Scientists characterize proteome of human cornea

...s clear and seems to lack substance, the cornea is actually a highly organized group of cells and proteins. Its functions include shielding the eye from germs, dust, UV light, and other harmful matter and acting as the eye's outermost lens. Approximately 120 million people in the United States wear eyeglasse...

Chernobyl: The true scale of the accident

...obyl related fatalities were much higher than they actually were. What diseases have already occurred or might occur in the future? Residents who ate food contaminated with radioactive iodine in the days immediately after the accident received relatively high doses to the thyroid gland. This was especially ...

Anti-cancer Compound In Beer Gaining Interest

...now is through beer consumption." Xanthohumol was actually first discovered in 1913, isolated as a yellow substance found in hops. Researchers started studying its molecular structure in the 1950s, but for decades the only people who showed any real interest in it were brewers, who were trying to learn more ...

Regenerating worms help elucidate stem cell biology

..., Sánchez Alvarado said, "We think that piwi is actually involved in producing daughter cells that are competent to restore aged differentiated cells during homeostasis as well as missing tissues after amputation. Unlike what's been thought about piwi for some time, which is that it was required to main...

Embryonic stem cells accrue genetic changes

...embryonic stem cells." "Embryonic stem cells are actually far more genetically stable than other stem cells, but our work shows that even they can accumulate potentially deleterious changes over time," adds Anirban Maitra, M.B.B.S., an assistant professor of pathology at Johns Hopkins who shares first autho...

New genetic test can detect clam disease

...ide got a lot of media attention this year, QPX is actually a bigger problem. The toxins that cause red tide in clams and other shellfish in New England do not kill the shellfish and will wash away once the red tide bloom diminishes, eventually making the shellfish safe to eat. QPX kills the clams, and there ...

New insights into the software of life

...erent forms of protein. In a sense, each 'gene' is actually multiple different genes," Professor Hume explained. The second of the papers in Science deals extensively with another area to which the IMB team has made a major contribution; outputs of the genome (RNAs) that do not code for protein. IMB Direc...

University of Delaware researchers develop cancer 'nanobomb'

...ears of clinical trials before the nanobombs could actually be used in medical applications to treat human beings. "Make no mistake, we are focused on eradicating cancer," Panchapakesan said, explaining that the nanobombs are the result of work over the past two years with carbon nanotubes, which are atoms...

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