Undergraduate research shows leaderless honeybee organizing
...stand where we could actually see how workers were interacting with queens inside a swarm cluster, where they are...time to go – to become airborne. Then they started interacting with her at very high rates, and performing the ‘worker piping’ signal on her. This interaction is a...Small, self-controlled planes combine plant pathology and engineering
...croorganisms have “novel biochemical processes for interacting with each other as a community of organisms in the atmosphere.” He explained, “We know that microbes mediate important biochemical processes in the soil and the ocean. It is not so farfetched that a similar drama unfolds in the atmosphere, which we a...Potent possibilities for parasite attack
...team to suspect they include key genes involved in interacting with the human host - where the battle between parasite and patient is fought and where rapid response is important to both. Remarkably, L. braziliensis, the most ancient Leishmania species sequenced, contains genes that could provide a working pa...Eavesdropping comes naturally to young song sparrows
...rds’ songs were learned from tutors they overheard interacting with another sparrow in the second phase of the study. Just 19 percent came from interacting directly with a tutor. The remaining 30 percent of songs were acquired when they were listening to ...Detecting cold, feeling pain: Study reveals why menthol feels fresh
... the psychophysical sensation of cold – somehow by interacting with the aspect of the sensory nervous system that's related to cold detection," says Julius. The current study, he says -- led by Diana M. Bautista, PhD, and Jan Siemens, PhD, of the Julius lab and Joshua M. Glazer, PhD, of the lab of co-senior a...'Insulator' helps silence genes in dormant herpes virus
...g in this manner, we believed the CTCF protein was interacting with other viral proteins to form a type of insulator in the virus structure," Zhou says. To verify that it was an insulator at work, the researchers then inserted copies of the structure into fruit fly embryos to see if they could block the acti...UCLA study uncovers clues for why Graves' disease attacks the eyes
...evelop an antibody drug to block the receptor from interacting with the T-cells and slow down the disease. In Graves?disease, the thyroid gland goes into overdrive, producing excess levels of hormone that attack the tissue behind the eye, causing them to protrude. In extreme cases, patients experience trou...In young mice, gregariousness seems to reside in the genes
...o a novel form of natural reward - the pleasure of interacting with other juveniles. At a practical level, the ne... amicable, spending much more time seeking out and interacting with other mice introduced into their environment. By controlling for a host of behavioral variables...Stanford-led study closes in on genes that may predispose some people to severe depression
... depression. Instead, multiple genes are probably interacting to create what amounts to a genetic baseline level of risk. On top of that baseline, environmental factors are likely mixed in as well, things such as non-genetic physiological problems or psychological traumas. Some 10 to 15 percent of people...Transfusion expert urges wider use of filtered blood
...stem ?either in a favorable or unfavorable way ?by interacting with the patient's own white cells. Removing the foreign white cells from transfused blood reduces the chances of a negative reaction by the host immune system. In 1998 the University's Strong Memorial Hospital was among the first hospitals in the...Researchers from the University of Navarra analyze new kinds of cancer-fighting antibodies
...ntly being used to treat cancer, and is capable of interacting with the current treatments so as to make both forms of treatment more powerful. Currently this treatment is being tested in patients with melanoma, kidney and ovarian cancer because there are more ways of measuring the response of the immune sys...A rarity among arachnids, whip spiders have a sociable family life
...her. They are constantly exploring one another and interacting with their siblings." Scientists have long thought these creatures were solitary and cannibalistic predators, as past studies have focused mainly on the adult's dramatic courtship and fighting behaviors. Rayor believes that because young amblypygid...Microbes start immune response by sneaking inside cells
... body, they set off alarms in the immune system by interacting with receptors on a cell’s surface. But, now new studies are revealing that bacteria can also plunge inside immune system cells and trigger the immune response there. In the new study, Nunez?team sheds light on one major pathway in which this process...Scientists find method to pick noncompetitive animals, improve production
...ph that Muir took of various colorful fish species interacting in a simulated ecosystem at the Monterey, Calif., aquarium. "There is an inherited part of the associations among animals that has profound effects on performance," Muir said. "It's called competition. Animals compete for food, space, territory an...Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight
..." says Sanchez-Alavez. "The PGE2 and leptin may be interacting and controlling eating behavior." Bartfai notes, "Inflammation as part of the obesity and metabolic syndrome is being recognized to an increasing degree. These data directly couple the lack of a particular type of inflammatory signaling via EP3R w...Researchers develop technique for bacteria crowd control
... collective and organized motion in the systems of interacting self-moving objects. Besides swimming bacteria, other examples include bird flocks, fish schools, motor proteins in living cell, and even swarms of communicating nano-robots. "We have presented experimental studies of collective bacterial swimmi...Racing neurons control whether we stop or go
...rocesses are produced through a complex network of interacting neurons. If so, then how could "go" and "stop?be acting independently as required by the race model? "The model proposes that there are two processes happening in our brain, one making us ‘go?and another making us ‘stop,? Boucher, a postdoctoral f...Researchers hot on the trail of brain cell degeneration
...hat future research will uncover more such factors interacting with each other. Investigating these will benefit new forms of treatment and advance research that aims to alleviate symptoms. The researchers behind the study hope that the results can be used in planning new targets for drugs to reduce the cell des...Scientists unlock mystery of embryonic stem cell signaling pathway
...pecifically, IQ-1 blocks the coactivator p300 from interacting with the protein ß-catenin; this prevents the stem cells from being ‘told?to differentiate into a more specific cell type. At the same time, IQ-1 enhances the interaction between the coactivator CBP and ß-catenin, which signals the cells to keep divi......nerate a high-resolution image of the two proteins interacting with each other. The image revealed that mutations known to play a role in the transmission of avian influenza virus to mammals were located within, or close to, this site of interaction. This suggests that mutations may affect the efficiency of nucl...