Textbook explanation of mRNA translation may need rethinking
...ly thought GDP, not GTP. The ribosome itself then seems to act as the guanine-nucleotide exchange factor, ...d as a EF-G-GDP complex. The ribosome itself then seems to act as a GTP exchange factor that swaps GDP for GTP, which results in a modification in the struc...Saturated fats combined with genetic trait implicated in development of type 2 diabetes
...e polymorphic potassium channel. Interestingly, it seems that polyunsaturated fats are poor activators of the potassium channel. "We're suggesting that people with this specific potassium channel polymorphism--about 2 million Canadians--may be more susceptible to type 2 diabetes if they have a high fat die...The health effects of weight loss need more research
Although it seems obvious that when overweight people lose weight th...ldren, from becoming overweight in the first place seems crucial, since this work suggests that once weight is gained losing it again may not be good for hea...Stolen gene allows insect virus to enter cells
...uce F proteins, which persist into adulthood. " f seems to be developmentally regulated, like a lot of Drosophila genes," says Blissard. Exactly what role the F protein plays in fruit flies remains to be answered. At some point, perhaps after retroviruses had sprinkled host genomes with multiple copies...Women feel more pain than men, research shows
...lated sensations (e.g., rapidly beating heat), and seems to be important in the experience of pain sensations. In a study of 150 patients referred to a hospital clinic with chest pain, researchers discovered that the factors that predicted pain in men and women were different. Researchers believe that it i...Cut global warming by becoming vegetarian
...the pursuit of the targets set in the Kyoto treaty seems to carry fewer political unknowns than cutting our consumption of fossil fuels," he says. Also in this month's Physics World: Universe in crisis as experts question Big Bang model The widely accepted idea that the universe began with a Big Bang could...African grey parrot is first bird to comprehend numerical concept akin to zero
...h as chimps, can be completely trained; rather, it seems likely that these skills are based on simpler cognitive abilities they need for survival, such as recognition of more versus less," explained Dr. Pepperberg. Alex had previously used the label "none" to describe an absence of similarity or differenc...Study in Royal Society journal on world's only horned rodent
...ources are only available for a limited period. It seems that sometimes impatience is a virtue. Contact : Dr FX Dechaume-Moncharmont, School of Biological Sciences, University of Bristol, Woodland road, BRISTOL, BS8 1UG Females solicit sneakers to improve fertilisation success in the bitterling (Rhodeus s...Boosting vitamin C in plants can help reduce smog damage
...vels and increased photosynthetic activity. "There seems to be multiple benefits of increasing the level of vitamin C in plants, including improving their tolerance to smog, improving photosynthesis, and improving their nutritional quality but more research is clearly needed," he said. The key question, at...Landmark comparative genomics study highlights the importance of 'junk' DNA in higher eukaryotes
...east, respectively. "The conserved noncoding story seems to be fairly similar in vertebrates and insects, but looks quite different in worms and yeast," explained Siepel. "These findings support the hypothesis that increased biological complexity in vertebrates and insects derives more from elaborate form...Elderly mice yield clues to the process of growing old
...ns prompts a cascade of programmed cell death that seems to underpin the aging process. Writing today (July 15, 2005) in the journal Science, a team of scientists led by University of Wisconsin-Madison geneticist Tomas A. Prolla describes a series of experiments in mutant and normal mice that peel away so...Environment and genetic influences play different roles in boys' and girls' gender-role behavior
...e family environment than genetics, while genetics seems to play a larger role in little girls' preferences for dolls over trucks, according to a study published in the July/August 2005 issue of the journal Child Development. The study, conducted by researchers from King's College London and City Universi...'Achilles' heel' of the herpes virus possibly found
...f viral receptor. Unlike other viruses so far, HSV seems to have evolved to take advantage of a broadly present cellular protein that has properties like that of known cellular fusion machinery," says Fuller. "No other virus has been shown to use a cellular fusion protein for entry into cells." She explain...Study reveals new information on the direct and indirect mate choice in lekking animals
...this bird, females are in control of mating and it seems that males cannot improve their own mating success by performing well in competitive interaction with other males. This is very different from some other lek-systems, where male competition is indeed important....Family of life-extending genes discovered
... all live longer on a low-calorie diet, which also seems to protect mammals against cancer and other aging-related diseases. A gene called SIR2 is thought to control this process. Now, researchers at Harvard Medical School and UC Davis have discovered four cousins of the SIR2 gene that also extend lifespan...Scientists discover global pattern of big fish diversity in open oceans
... these predatory fish, 22 degrees C (77 degrees F) seems to be the optimum temperature. The only other global study of oceanic diversity is for foraminifera -- tiny, single celled zooplankton. These two studies show surprising congruence. "The smallest animals in the ocean and some of the largest show the...Immune system's distress signal tells bacteria when to strike back
... gave human hosts a temporary advantage, "but that seems to be waning a bit," he added. "We need to learn new ways to understand our germs and think about how to placate rather than annihilate them."...Scientists characterize proteome of human cornea
...ers the front of the eye. Although it is 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 p...A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist
...of new ones. In addition, rapid protein evolution seems to degrade the genes that remain." In the future, major areas of research will include understanding the forces driving this mode of genome evolution, as well as the consequences on the fitness of the bacterium and its host. "Developments in endos......contrast, in the heart muscle tissue the mechanism seems to be different from this. The scientists in Bad Nauheim conclude from their study that adult stem cells are involved in tissue repair processes in a paracrine way by delivering mediating factors rather than by simply becoming components of the regen...