Tag: "search" at biology news

Cellular problem discovered behind syndrome of obesity, learning disabilities

... act as cells' private satellite dish." The team's search for a new BBS gene began as an exploration, searching for genetic changes in families with the syndrome. BBS8 is similar in key ways to other genes implicated in BBS, and sure enough, affected members of three families had protein-altering mutations ...

Louis Leakey Centennial Tribute

...nowned fossil-hunting family launched an intensive search for human ancestors in Africa and spearheaded the interdisciplinary approach to studying the birth and development of the human species. Now, dozens of the world's leading anthropologists, geologists, biologists and evolutionary scientists includi...

Discovering new regulators of the immune system

...rmation of the players involved, does not bias the search to previously known signalling molecules, molecules flagged by DNA-array technologies or signalling molecules discovered in other contexts."...

Targeting transcription: New insights into turning genes on

...of screening approach, the researchers now plan to search for small organic molecules that are structurally similar to their protein-binding peptides and to combine those molecules with small DNA-binding modules already developed by other researchers, with the goal of creating new ATFs....

Fruit fly pheromone receptor first ever discovered linked to specific sexual behavior

...equired for copulation, and the two mate. In their search for pheromone receptor genes, the researchers explored the location of some 25 of 70 known taste receptors on the fly's body. They found that one such candidate pheromone receptor, encoded by a gene called Gr68a, showed up only on the forelegs that m...

Molecule found to be critical for kidney development

...By taking advantage of techniques developed in the search for Alzheimer's treatments, a team of researchers has discovered that a molecule called Notch is essential for the development of critical kidney cells. The study, published online and in the Oct. 15 issue of the journal Development, provides key inf...

Watching social behaviour evolve

... cells cooperate to swarm across solid surfaces in search of prey organisms which they hunt and kill together like a wolf pack. Moreover, when they encounter starvation conditions, groups of up to 100,000 individuals M. xanthus cells aggregate together to construct three-dimensional fruiting structures in w...

Nurseries in the deep sea

...n the ridge and use this information to narrow our search for other important nurseries in the deep sea."...

Trawlers threaten ocean's biodiversity

...n fishing fleets are heading into deeper waters in search of new catches. The boats are increasingly targeting pristine oceanic seamounts, home to highly marketable species such as orange roughy, alfonsino and deep-water redfish. Trawlers are often the first to discover seamounts, which they target using so...

While the homeland is on alert, Technical Insights provides indispensable technology information

... markets for homeland security systems. The recent search for weapons of mass destruction in Iraq, battlefield surveillance for chemical and biological hazards, and scares of "white powder" in postal centers and airports illustrate the need for a better understanding of the weapons of mass destruction detec...

Development of hair depends on development of the hair channel

...opment, the Rockefeller researchers narrowed their search to a type of gene or protein called a transcription factor. Transcription factors are like the bosses in the hierarchy of a cell's proteins: they order other worker proteins to carry out specific tasks, including the recruitment of more proteins to t...

Psoriasis treatment based on Weizmann Institute Research passes phase II clinical trials

..., leading to the destruction of healthy tissue. In search for natural inhibitors of TNF, Wallach's team at the Weizmann Institute isolated, from urine, two proteins called TBP-1 and TBP-22 that can bind TNF specifically and thus block its function. One of these proteins, TBP-1, is the currently tested drug....

Scientists demonstrate new method for discovering cancer gene function

...ocess can be likened to the results of an Internet search engine that ranks each "hit" by how closely it matches the keywords in the search. It was this "data-mining" process that turned up the C/EBP-beta gene, which makes a protein known as a transcription factor, as a frequent co-conspirator with the gene...

Popular Science announces second annual 'Brilliant 10:' the country's top young scientists

...ed his Beijing high school's rooftop telescopes to search for comets and flickering variable stars. He just ...opsci/science/article/0,12543,472942,00.html . The search for the Brilliant 10 was methodical: editors of Popular Science reached out to university department...

Parasites prevent ants from protecting coffee plants

...nside the nest, severely limiting their ability to search for or attack their prey," said Stacy Philpott, who will present her findings Aug. 5 at the annual meeting of the Ecological Society of America. "The result in itself is surprising since most people think of a parasite as something that kills its hos...

Jaws of clamworm are hardened by zinc say UCSB scientists

...ntists often look to nature for inspiration in the search for ways to make new materials. A new study of the clamworm, an intertidal creature, shows that it has jaws made partly of zinc, making them strong, stiff and tough fundamental properties by which all materials are evaluated. The properties of the ...

Salk news: Understanding gene function

...precedented for any model organism. Using a simple search of the database now allows scientists worldwide to identify a plant mutant in virtually any gene, thus dramatically increasing the way plant biologists study a particular gene. "The information you get from Arabidopsis is very likely to be immediate...

Designer proteins

...uch as TNT. A new computational method makes the search for designer matches much easier. The scientists take the molecule they know they want the protein to bind to, such as TNT, and try trillions upon trillions of combinations of the different amino acids (building blocks of the protein) to see which w...

'Knockout' research eases study of plant gene functions

...rs studying a specific gene can quickly and easily search for an Arabidopsis plant that has a particular gene turned off, and order it from the Arabidopsis Resource Center. Alonso started the project and set up the protocols while working as a research associate at the Salk Institute for Biological Studies...

Protein: Getting to the meat of this essential element

...20,000 in protein structure database. One can search the system by protein or by system to get complete descriptions ofproteins and their interactions. Also included is reference information that points to the source ofthe information. Adding to what's already in the database, Tsai said, the proje...

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