Biologists learn structure, mechanism of powerful 'molecular motor' in virus
... "molecular motor" that packages DNA into the head segment
of some viruses during their assembly, an ... disc shares a gp17 protein with a corresponding segment
in the bottom disc. The gp17 proteins have two segments, or domains, one segment
in the lower disc and the ...
American Dietetic Association releases 2008 nutrition trends survey
... answers to a number of different questions to segment
consumers into three groups representing people's ... Jeannie Gazzaniga-Moloo. She noted that the segment
had been as large as 40 percent in the mid-1990s. ... we are seeing among the I'm Already Doing It segment
appear to represent movement away from Don't ...
Scientists eye secrets of retinal regeneration
... to the researchers, the rod cell's outer segment
is constantly pushing up and forming new discs in ... to gain a more accurate picture of outer segment
growth in rat retinas.
"Basically, retinal ... and problems with rhodopsin trafficking or outer segment
development are thought to play a role in many of ...
New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report
... Gas, and Dye Lasers
Market (2008): Percentage Share Breakdown by segment
Solid-State Lasers (Lamp-pumped, Diode-pumped, and
... Processing Laser Systems (2006): Percentage Breakdown by
- Marking, Cutting, Engraving,
Microprocessing, Welding, Drilling, and ...
American Institute of Physics announces awards for best science writing
More information about these award-winning books and television segment
is pasted below and posted online at: ... .
MORE ABOUT "ASTEROID"
Produced as a segment
of NOVA scienceNOW and originally aired in October 2006, "Asteroid" poses ...
February 2009 Geology and GSA Today media highlights
... how an elongate water body with sandy coastlines could self-organize and segment
itself into equally sized rounded lakes. As a result of the long fetch ... attracting capes on the opposite shore, causing the elongate water body to segment
into smaller, round ponds or lakes. These results can explain the ...
Krumlauf Lab demonstrates modulation of gene expression by protein coding regions
... of one of the Hox master control genes is regulated in a specific segment
of the developing brain. The findings provide important insight into how ... that contains the instructions about when and where to express Hoxa2 in a segment
of the developing brain overlaps with sequences that code for amino acids ...
December 2008 Geology and GSA Today media highlights
... offshore Egypt. Folkman and Mart present a newly recognized easternmost segment
of the Nile deep-sea fan that has been revealed recently in the deep ... Israel, based on high resolution, three-dimensional seismic imaging. This segment
is vertically divided into two sequences: basal sand-rich sequence ...
Researchers catch ion channels in their opening act
... professor Paul Selvin, who led the study. The controversy centers on a key segment
of the ion channel called the voltage sensor.
The voltage sensor gauges ... of voltage sensor movement to the test.
They studied the voltage sensor segment
in a specific ion channel called the Shaker potassium channel. This ...
New radar satellite technique sheds light on ocean current dynamics
... possible. However, based on these conclusions ESA upgraded its ASAR ground segment
in July 2007 to systematically process and disseminate a Doppler grid ... and altimetry is very promising," Chapron added.
The ground segment
upgrade is also allowing the scientists to examine the anticipated Doppler ...
'Electrospray' droplet research yields surprising, practical results
... and solves the mathematical equations governing the behavior of each segment
separately. Using the method enables researchers to understand the dynamic, changing shapes of each segment
making up the drop-forming strands and the droplets.
The technique ...
Liquid crystal phases of tiny DNA molecules point up new scenario for first life on Earth
... show liquid crystal ordering, said Clark. The team found that even a DNA segment
as short as six bases, when paired with a complementary segment
that together measured just two nanometers long and two nanometers in ...
Old McDonald had a phytochemical
... of phytonutrients that these vegetables contain. We can see that a segment
of the consumer population is more prone to consume this type of product ... spinach, Leskovar said. I feel that in the near future, there will be a segment
that will be demanding a product with high phytochemical content. But of ...
Study finds DNA barcoding requires caution without closer examination
... groups. Moreover, in plants, there is still much debate over which gene sequence region should be used and its reliability. In animals, the 5' segment
of mitochondrial cytochrome oxidase subunit I (COI) is relatively established as a barcoding marker, but Spooner highlights many groups where COI ...
7th annual [BC]2 Basel Computational Biology Conference 'Molecular Evolution' June 18-19, 2009
... the Kyoto Prize for Basic Science (2000) and the Balzan Prize for Developmental Biology (2002). He and his group also discovered the homeobox, a DNA segment
characteristic for homeotic genes which is present in arthropods and their ancestors and also in vertebrates including man.
Derek Smith, Professor ...
Caltech scientists reveal how neuronal activity is timed in brain's memory-making circuits
... other words, a point of physical space. Our findings suggest that what is encoded is actually a portion of the rat's trajectorythat is, a segment
of physical space."
"Such segments may be the elementary unit of hippocampal computation," adds Siapas. "Assume the path a rat takes in an ...
ESA's Earth observation missions: Sharing teams and facilities boosts efficiency
... and EarthCARE all under active preparation for launches in the 2010-2013 time frame.
In parallel, the Sentinel-1, -2 and -3 missions ground segment
- the ground-based infrastructure that supports the satellite in orbit - is being developed as part of the GMES (Global Monitoring for Environment ...
Small molecules might block mutant protein production in Huntington's disease
... which carry out vital biological functions.
Huntington's and Machado-Joseph are fatal inherited diseases caused by abnormal repeats of a small segment
in a person's DNA, or genetic code, represented by the letters CAG. These mutations result in the body producing malfunctioning proteins that cause ...
Google Earth aids discovery of early African mammal fossils
... and serendipitous story, featuring University of Michigan paleontologists Philip Gingerich, Gregg Gunnell and Bill Sanders, is the subject of a segment
on the award-winning television series "Wild Chronicles," currently airing on public television stations (Episode 412---Looking Back; check listings ...
2009 AIBS Media Award
... is part 5 of a 6-part series in the magazine on scientists' findings during the past decade relating to male and female sexual development. This segment
of the series appeared in the November 2008 issue of Playboy . In addition to being a contributor to the magazine, Rowe is the Playboy Advisor, ...
Lab-on-a-chip homes in on how cancer cells break free
... reduction," Searson explains. Where these molecules are detached, that portion of the cell loses its grip on the surface of the chip. This segment
of the cell pauses for a moment and then contracts forcefully toward its other end, which is still attached to the chip. The researchers were able to ...
Pitt researchers describe molecular '2-step' leading to protein clumps of Huntington's disease
... School of Medicine. The affected protein in Huntington's disease is called huntingtin.
Most people have a huntingtin protein whose polyglutamine segment
contains 20 or so glutamines, and even a polyglutamine with as many as 35 repeats may not cause Huntington's symptoms. But the risk of developing ...
Mobile Communication Market Opens up for Biometrics - Precise Biometrics Awarded 1st Prize at GSMA World Mobile Congress
... development areas in the coming years; the
mobile communications industry. As Match-on-Card is by nature tied to smart
cards, and since the SIM card segment
is close to 80% of the entire smart
card market, this is where we want to be. To once again be among the
finalists, and actually winning first prize, ...
'Fattysaurus' or 'thinnysaurus'? How dinosaurs measure up with laser imaging
... around which the body cavity and internal organs such as stomach, lungs and air sacs can be reconstructed. This has allowed calculation of body segment
masses, centres of mass and moments of inertia for each animal all the information that is needed to analyse body movements.
Having created ...
Dealing with taxonomic uncertainty for threatened and endangered species
... Southern Resident killer whales under the ESA revolved not around risk but rather on whether these whales met the definition of Distinct Population segment
used as the smallest unit to conserve under the ESA.
Taylor discusses the potential of incorporating uncertainty into taxonomic considerations, as ...
Energy drinks: The coffee of a new generation?
... were sold in the United States in 2004. Consumption in Canada is said to be comparable and it is a growing trend for 18-to 24-year-olds. This market segment
is broadening as younger children are beginning to consume these drinks before doing physical activity.
But these drinks aren't recommended to ...
Human DNA repair process recorded in action
... takes a leading role in the action. Always on call in the cell, molecules of the protein assemble into a long filament along a damaged or broken segment
of DNA, where they help stretch out the coiled strands and align them with corresponding segments on the cell's second copy of the chromosome, which ...
CSHL scientists clarify editing error underlying genetic neurodegenerative disease
... intron by one of its components, a small nuclear RNA called U1.
U1 recognizes this splice site by lining up against the target RNA and pairing a segment
of its own RNA bases with the splice site's RNA bases following a set of rules: U pairs with A or G, and C pairs with G. U1's ability to recognize ...
Evolutionary process more detailed than previously believed, study shows
... to respond to their environment, Kao saw some colors expand while others contracted a sign that adaptations were occurring. But rather than one segment
of the population continuing to shrink until it was completely replaced, some segments were able to compete long enough to acquire further ...
January GEOLOGY media highlights
... of erosion around the rocks and subsequent rolling cause them to move and organize spatially.
Evidence for focused magmatic accretion at segment
centers from lateral dike injections captured beneath the Red Sea rift in Afar
Derek Keir et al., School of Earth and Environment, University of ...
University of Miami biomedical engineer
... to natural clotting, which prevents rupture of the aneurysm and elicits a healthy scar-response from the body, thus restoring the diseased arterial segment
to its normal state," explained Lieber.
Dr. Lieber, is a professor of biomedical engineering in UM's College of Engineering, with a secondary ...
Adult stem cell breakthrough
... left lung (bronchus) should be replaced with a bioengineered airway based on the scaffold of a human trachea.
A seven-centimetre tracheal segment
was donated by a 51-year-old transplant donor who had who had died of cerebral haemorrhage. Spain has a policy of assumed consent for organ donation. ...
What makes an axon an axon?
... issue of the Journal of Cell Biology, will be available online Nov. 10.
At the junction between the axon and the cell body is the axon initial segment
(AIS), which sparks action potentials. Researchers also suspect that the AIS enables an axon to maintain its identity. Although scientists have ...
Fuels of the future may come from 'ice that burns,' water and sunshine
... how "the ice that burns" gas hydrates offer a potential new bonanza of natural gas, with rich deposits in the United States and elsewhere. Another segment
explores artificial photosynthesis and describes researchers' efforts to split water molecules into hydrogen and oxygen in order to produce ...
Sig-Tec(R) and BIO-key(R) Deliver Advanced Biometric Security Solution to Ohio County Law Enforcement Agency
... management (IdAM) software solution
for Strong Authentication and password management (AppStarter Single Sign
On) integrated with BIO-key's Vector segment
Technology(TM) (VST) toolset,
for fingerprint biometrics capture and verification, authorized staff can
now access the Mahoning County Sheriff's ...
Structures of important plant viruses determined
... shape of the molecules but it can count them.
"STEM measures the number of electrons scattered from a length of filament, thereby 'weighing' the segment
relative to a standard in this case, tobacco mosaic virus," said Brookhaven's Joe Wall. "Knowing the mass per unit length, the subunit size, and the ...
Researchers discover that growing up too fast may mean dying young in honey bees
... fly 8 km (5 miles), contract their wing muscles approximately 4,000,000 times, and reduce approximately 60 ml of pure oxygen in its thorax (the body segment
housing the flight muscles). Age and foraging behavior should have strong affects on cellular oxidative stress and antioxidant mechanisms, especially ...
Scientists point to forests for carbon storage solutions
... they will rejuvenate these forests in terms of carbon storage," he said.
The scientists are accelerating this phenomenon called succession in a segment
of the Michigan forest to test this hypothesis.
"If we're right, this will give people incentive to hold onto forests and not cut them down. ...
Landmark study opens door to new cancer, aging treatments
... of RNA, which contains the template the enzyme uses to synthesize telomeres.
Last year, Skordalakes and his team solved the structure of a key segment
of the moleculethe so-called TRBD domain, where RNA binding occurs. However, the complexity of telomerase has proved a roadblock to determining the ...
Anything but modest: The mouse continues to contribute to humankind
... which scientists manipulate mouse genes in order to study their biology. One such technique that Nguyen and Xu are working on involves inserting a segment
of DNA sequence into the much lengthier full genome of the mouse. These insertable DNA sequences are known as transposons. Use of transposons, as ...