Direct in Biological News

Spontaneous assembly

... proteins are able to assemble into clusters that direct cell movement to select chemicals in their ... chemotaxis network of signaling proteins, which direct the movement of the bacteria towards or away from ... structures in biological membranes without direct cytoskeletal involvement or active transport, may ...

Plants could override climate change effects on wildfires

... which Higuera thinks was enough to offset the direct effects of climate on fire frequencies. "In ... of deciduous trees on the landscape offset this direct climatic effect. Consequently, we see very little ... future wildfire frequency shouldn't hinge on the direct impacts of climate change alone. "Climate ...

American Chemical Society Weekly PressPac -- April 15, 2009

... Murphy's study found that aerosols reduce direct sunlight the kind that casts shadows much more ... water and photovoltaic panels which utilize both direct and diffuse (scattered) sunlight will have ... by particles will also result in reductions in direct sunlight that are several times the reductions in ...

Genetic study shows direct link between vitamin D and MS susceptibility 'gene'

... Researchers have found evidence that a direct interaction between vitamin D and a common ... in areas receiving less sunshine. This supports a direct link between deficiency in vitamin D, which is ... University of British Columbia have established a direct relationship between DRB1*1501 and vitamin D. ...

Early childhood diet may influence future health

... in an international journal, indicates a direct connection between an adult's propensity to put ... In particular we believe that our diet has a direct influence on the genes that control how our ... composition of early childhood diet may have a direct lifelong impact on genes that control metabolism ...

Research yields new clues to how we locate objects in space

... which allow us to locate objects in space. direct perception occurs when we see, hear or feel an ... landmark is, even if that landmark is not in our direct line of sight. In a new report in Current ... where people need to combine information from direct perception and visualization, and the authors ...

Vidalia onions: Alternative to hand-transplanting proven effective

... evaluated variety, sowing date, and fertility on direct seeding short-day onions in southeastern Georgia. ... of the higher cost of transplanting compared with direct seeding, this study was undertaken to evaluate effects of sowing date, variety, and fertility on direct seeding short-day onions in southeastern ...

New technique is quantum leap forward in understanding proteins

... that turn out to not be involved in these direct interactions. Research groups have developed ... predictions about which pairings were in fact direct interactions. Because the two-component ... extensive x-ray crystallography, many of the direct residue interactions had already been identified. ...

Just a little squeeze lets proteins assess DNA

... a protein known to use the hug method, called direct readout, can effectively pinpoint sites on DNA ... previous work that the HincII protein used the direct readout method to find the particular sequence of ... to distort the DNA to read it. Removing the direct readout contact between the protein and the DNA ...

Light pollution offers new global measure of coral reef health

... impact on the oceans," he explained. Light's direct impact on coral reefs In this way the index ... conservation policy. But the LPI is also a direct measurement of coral reef stress, since light ... coral reefs, more research is needed on light's direct effects, but lab studies show that light can ...

Dolphin population stunted by fishing activities, Scripps/NOAA study finds

... remain. Instead of reducing numbers through direct mortalities, the study by Katie Cramer of Scripps ... the eastern spinner dolphin also declined, but a direct link to fishing effort was inconclusive. "The ... has population-level effects beyond reported direct kill," the authors write in their report. What ...

Arctic ice on the verge of another all-time low

... lowest level on record and opening up the most direct route through the Northwest Passage in September 2007. The direct route through the Northwest Passage - highlighted ... This is the second year in a row that the most direct route through the Northwest Passage has opened ....

Genome communication

... Different parts of the genome can interact by direct contact or through intermediaries that can be ... work of Chandler and others suggests that both direct contact of homologous regions and changes induced ... is that these tandem repeats are involved in direct interactions of chromatin regions, which results ...

Researchers discover critical detail of cellular defense against genetic mistakes

... are detected. Subsequent steady-state rounds then direct the mass production of normal proteins based on ... initiation factor 3 (eIF3), which would otherwise direct protein building based on that mRNA sequence. ... That could restore the supply of an mRNA that can direct the cell to synthesize full-length, functional ...

American Chemical Society's Weekly PressPac -- March 26, 2008

... between synthetic microcapsules can trigger and direct movement of these capsules. Their study is ... process also appears capable of sending cues to direct cell movement. In the new study, Anna C. ... engineered into futuristic nanomachines to help direct their movement through the body or through fuel ...

Robot fetches objects with just a point and a click

... item it may have never seen before using a more direct manner of communication — a laser pointer. ... team overcome this challenge by providing a direct way for people to communicate the location of ... robot to another location to deposit the item or direct the robot to take the item to a person. El-E ...

Advertisers, neuroscientists trace source of emotions in brain

... GAINESVILLE, Fla. First came direct marketing, then focus groups. Now, advertisers, ... a process that Morris characterized as more direct than translating feelings into words. Morris uses ... on this planet function possibly exposing a direct link to predicting behavior. ...

Using DNA, scientists hunt for the roots of the modern potato

... all modern potato varieties planted today are the direct descendents of varieties that once grew in the ... before and decades after the famine, the first direct evidence that the potatoes were grown ... blight epidemic," he says. "Our work is the first direct evidence-as opposed to the inferential evidence ...

Mental disorders are disorders of the brain

... Mental disorders rank as number one in terms of direct and indirect health economic costs, with a total ... extremely high indirect costs and relatively low direct costs contrast high direct costs typical for somatic disease. For instance, ...

How does the opioid system control pain, reward and addictive behavior?

... towards understanding brain function. The direct comparison of mice lacking each of the three ... switches, which mediate reinforcement following direct (morphine) or indirect activation (non-opioid ... disorders. The most recent findings are the direct visualization of an opioid receptor in the mouse ...

American Chemical Society's Weekly Presspac -- Aug. 29, 2007

... scientists in Connecticut are reporting the first direct evidence that carbon nanotubes have powerful ... however, no published studies exist on the direct interaction of SWNTs with microbes, their report states. Our experiments provide the first direct evidence that highly purified SWNTs exhibit ...

New, more direct pathways from outside the cell-to-cell nuclei discovered

... has shattered a long-held belief that no direct pathway exists between material outside of a cell ... The team's discovery of the existence of direct pathways between extracellular material and cell ... (NSF). Gavin says that these newly discovered direct pathways mean that "internalized material does ...

Early rice harvests ease annual famine in Bangladesh

... practices to reduce the time it takes to grow a rice crop. "Adopting direct seeding so rice can be sown earlier and planting a shorter-duration rice ... now also promoting the adoption of the shorter-duration rice variety and direct seeding as part of a national program and three-year action plan to ...

Researchers observe single protein dimers wavering between two symmetrically opposed structures

... by proteins is a common way of regulating cellular activities. This direct view provides a neat example of the dynamic and complex nature of ... it takes only quite mild changes in conditions to make this change. These direct observations show that this protein dimer has two native structures ...

Research explores interactions between nanomaterials, biological systems

... medical applications has increased the likelihood of people coming into direct contact with these materials. There are currently more than 800 ... for instance, may be coated with a water-repelling polymer to reduce direct contact with human skin. An extension of this principle uses polymers and ...

New method separates cancer cells from normal cells

... researchers now have demonstrated a novel and simple method that can direct and separate cancer cells from normal cells. Based on this method, they ... tenth of a millimeter wide. The asymmetric obstacles inside these channels direct cell movement along a preferred direction. Details are published online ...

Who will pick up the bill?

... Ocean acidification, a direct result of increased CO2 emission, is set to change the Earth's marine ecosystems forever and may have a direct impact on our economy, resulting in substantial revenue declines and job ...

Slicing chromosomes leads to new insights into cell division

... separating chromosomes in dividing cells, but no one had established a direct link until now. Polar ejection forces are thought to arise out of the ... a relationship, we established that polar ejection forces were in fact a direct cue that guided chromosomal movements in mitosis." To achieve this, ...

The coming of biofuels: Study shows reducing gasoline emissions will benefit human health

... the capacity to carry out county-level resolution measurements for both direct and indirect emissions," said McKone in his SIM symposium presentation. Measured emissions at county-level resolution included direct particulate matter and indirect fine particles (2.5 micrometers in ...

One size does not fit all

... the myelin sheath." The objective of the MNI study was to determine the direct impact of simvastatin, a statin in clinical trials, on the integrity of ... the demyelinating aspect of MS, allowing MNI researchers to determine the direct effect of long-term statin therapy on remyelination, independent of its ...

New tool for next-generation cancer treatments using nanodiamonds

... with it. The second mode functions as a single-cell syringe, permitting direct injection of biomolecules or chemicals into individual cells. The ... is an exciting development that complements our previous demonstrations of direct patterning of DNA, proteins and nanoparticles," says Espinosa. Using ...

Regional partnership to develop algal biofuels gets backing of San Diego leaders

... by the San Diego Association of Governments, or SANDAG, Service Bureau. direct spending on algal biofuels, combined with the additional jobs and spending ... Diego region, according to the SANDAG study. "We are already seeing the direct and indirect benefits of algae research on the San Diego regional ...

ABBTECH Staffing Services Certified by GSA as an HSPD-12 Managed Service Provider

... work experience in the temporary/contract, temporary/contract to direct hire or direct placement services (also know as staff augmentation services). ABBTECH ...

Human ES cells progress slowly in myelin's direction

... unexpected. 'This was quite a surprise given that this is exactly how we direct mouse ES cells to become oligodendrocytes. But we have discovered an ... to repair lost myelin sheaths. These findings also raise awareness of the direct translatability of animal studies to human biology. In this regard, the ...

Caltech scientists control complex nucleation processes using DNA origami seeds

... describe the development of an information-containing DNA "seed" that can direct the self-assembled bottom-up growth of tiles of DNA in a precisely ... how to program information into molecules and have that information direct algorithmic processes." ...

ABBTECH Staffing Services Certified by GSA as an HSPD-12 Managed Service Provider

... work experience in the temporary/contract, temporary/contract to direct hire or direct placement services (also know as staff augmentation services). ABBTECH ...

Drug used to treat skin conditions is a marine pollutant

... and chemicals in everyday use form a mixture in the ocean that has a direct impact on the growth and reproduction of organisms", says scientist Tobias ... show that a mixture of such compounds forms a "cocktail effect" that has a direct impact on the growth of the microalgal community. Theoretical model ...

New research reveals the earliest evidence for corn in the New World

... at Temple University in Philadelphia, have discovered the first direct evidence that indicates maize was domesticated by 8,700 years ago, the ... in part with Irene Holst at the Smithsonian Tropical Research provide direct evidence for the domestication of maize and a species of squash. "Our ...

Pilot study shows effectiveness of new, low-cost method for monitoring hand hygiene compliance

... a range of pathogens are spread from healthcare workers to patients by direct touch and that the current rates of hand hygiene compliance are ... the current method of monitoring hand hygiene compliance that involves direct human observation, which is both costly and labor intensive. With human ...

Tigers get a stimulus plan

... beyond such areas are likely to perish rapidly due to lack of prey or direct hunting. The main threats to tigers are loss and degradation of their forest habitats, legal and illegal hunting of tiger prey, and direct killing of tigers either due to conflicts with humans, or commercial ...