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Timing is everything: First step in protein building revealed

...or orwavelength of light that is given off. If the distance between thefluorescent molecules changes, the colo...as a slight shift, indicating a smallchange in the distance between eIF1 and its relative, and then a muchlarger shift, indicating a much bigger separation.To p...

Plants respond similarly to signals from friends, enemies

...lief, the root-knot nematode signals plants from a distance and therefore does not need to attach itself to the plant to elicit a response. When the researchers studied L. japonicus plants missing the receptors that receive signals from other organisms ?certain genes in the plant were modified to accomplish ...

The secret lives of whales

...ometers away, which is a very reasonable dispersal distance for the animals that live on them,?says Smith. In the North Atlantic, where only 10% of historic populations of the great whales are estimated to still survive, Smith speculates that substantial species extinction may have occurred in the whale fall...

Scientists discover unique microbe in California's largest lake

...proteobacteriumjumped across the vast evolutionary distance that separates theproteobacteria and cyanobacteria, and switched places with the portionof the gene that had originally been inherited from the cyanobacterialparent."This finding shows that even this popular evolutionary chronometer canbe a mosaic of...

Revolutionary nanotechnology illuminates brain cells at work

...w versions of GFP. The cyan is excited and, if the distance between the colored proteins changes, more or less energy is transferred to the yellow protein. In this study, the cyan and yellow proteins behave as if they move away from one another when the sensor recognizes glutamate. Thus, there is more cyan an...

Too much water may be as dangerous as too little during long-distance athletic events

...t of fluid you consumed throughout. "All serious distance athletes should find out what their rate of fluid ...is and individualize their fluid intake prior to a distance event," Dr. Levine said. "It's also good to accept some mild dehydration during a long race. There a...

Bush, Cheney and Rumsfeld are now species of slime-mold beetles -- but strictly in homage

...t of fluid you consumed throughout. "All serious distance athletes should find out what their rate of fluid ...is and individualize their fluid intake prior to a distance event," Dr. Levine said. "It's also good to accept some mild dehydration during a long race. There a...

New design : complete

...t of fluid you consumed throughout. "All serious distance athletes should find out what their rate of fluid ...is and individualize their fluid intake prior to a distance event," Dr. Levine said. "It's also good to accept some mild dehydration during a long race. There a...

Molecular messengers perform a crucial role in the ability of injured nerve cells to heal themselves

...h for new therapies for injured nerve fibers. Long distance messengers star in many heroic tales, perhaps the ...ust transmit their phosphorus message over a great distance along the axon, and in the course of this arduous journey can easily lose their phosphorus en route....

To translate touch, the brain can quickly rearrange its sense of the body

... index finger, and asked them to judge whether the distance between the rods was greater or smaller than the distance between two additional rods touched on the forehead. When tendon vibration made the index finger see...

Researchers develop new method for facile identification of proteins in bacterial cells

...ts based on the time they need to travel a defined distance when being accelerated in a vacuum. In their study, Rolf U. Halden, PhD, PE, assistant professor in the Department of Environmental Health Sciences Bloomberg School of Public Health and his colleagues demonstrate how PMF and mass spectrometry are us...

Scientists focus on 'dwarf eye'

...ye adjusts its focus by growing, which changes the distance between the lens and the retina, the light-detecti... the back of the eye. Once the retina is the right distance from the lens for proper focus of images on the retina, a largely unknown mechanism that uses visual...

New bioinformatics technique for systematically analyzing key regions in DNA that help control gene activity

...s that help control gene expression, can be a long distance on the DNA strand from the genes they influence. R...observe how transcription factors bind to DNA at a distance from a gene, or how regulation happens," said Fidelis, a computational biologist in Livermore's Bios...

'Underground' tunnels discovered as means for communication between immune system cells

... were talking about a large metropolitan area, the distance would be about the equivalent to four or five city blocks. That's nothing short of amazing," remarked Dr. Salter, associate professor of immunology at the University of Pittsburgh School of Medicine. The authors are the first to explain the function...

Researchers discover how malaria parasite disperses from red blood cells

...plosive appearance, dispersing the merozoites some distance from the cell. During the release, Dr. Zimmerberg explained, the cell membrane appears to collapse inward upon itself and fragment into pieces. One previous theory held that the red blood cells and the merozoite-containing vacuoles inside them sw...

New law for resolution allows unprecedented sharpness in fluorescence microscopy

... seemed impossible to image details smaller than a distance where delta d is equal to 200nm using conventional lenses and visible light. For a long time, Abbe's law was regarded as being insurmountable. For higher resolution, the textbook knowledge was that a complicated and costly electron or scanning tunne...

Plants discriminate between self and non self

... in a chamber that forced them to grow a specified distance from each other and from roots of a neighboring plant. "We found that the roots grew significantly more and longer secondary roots on the non-self side," Falik told attendees at the 90th Annual Meeting of the Ecological Society of America today (Aug...

Prozac for future Plants on Mars

... in a chamber that forced them to grow a specified distance from each other and from roots of a neighboring plant. "We found that the roots grew significantly more and longer secondary roots on the non-self side," Falik told attendees at the 90th Annual Meeting of the Ecological Society of America today (Aug...

Gene therapy reverses genetic mutation responsible for heart failure in muscular dystrophy

...e AAV-8-treated hamsters were able to run the same distance as normal hamsters before tiring and for much longer than untreated LGMD hamsters. Furthermore, all of the untreated LGMD animals died of heart failure or other complications of muscular dystrophy around 37 weeks, while all of the AAV-8-treated LGMD ...

Chernobyl: The true scale of the accident

...d animals were seen in high exposure areas up to a distance of 20-30 kilometers. Outside that zone, no acute radiation-induced effects have been reported. With reductions of exposure levels, biological populations have been recovering, though the genetic effects of radiation were seen in both somatic and germ...

'Acid rain' and forest mass: Another perspective

... of parcels was carried out as a function of their distance from different foci of emission of contaminants. A flow equilibrium model for the canopy was drawn up together with a generalised micrometeorological model in order to estimate the total deposition of atmospheric constituents. Also, a model for folia...

PET imaging reveals the immune system at work

...able to see the lymph nodes, which resided at some distance from the tumor, spring into action. Lymph nodes are a critical part of the immune system, helping to recruit key disease-fighting immune cells. "This lets us see not only how but where" the body is responding to disease, Witte explained. "The immune...

Jefferson biologist coaxing human embryonic stem cells to make dopamine with simpler, faster method

...able to see the lymph nodes, which resided at some distance from the tumor, spring into action. Lymph nodes are a critical part of the immune system, helping to recruit key disease-fighting immune cells. "This lets us see not only how but where" the body is responding to disease, Witte explained. "The immune...

Marathon of nano-sprinters

...ch as the average velocity and the average walking distance of the cargo particle as a function of the maximum...article pulled by 10 motors has an average walking distance of about 1 meter. If molecular motors move against an external load force, this force is shared am...

New methods offer insight into regulatory DNA

... understood. Their structure is variable and their distance from the genes they control also varies among genes. New tools are needed in the search of our genome for the sequences that contribute to disease, tools that will harness the massive amounts of DNA information and transform them into information o...

'Computer-chemistry' yields new insight into a puzzle of cell division

...her on the kinase. Both hot spots are located some distance from the molecules' active sites, Rudolph noted. Overexpression of the Cdc25 group of enzymes has been associated with the development of numerous cancers. But "drug discovery targeting these phosphatases has been hampered by lack of structural info...

Frog’s ear canal may provide insights for understanding human hearing loss

...eardrum from the environment, but also lessens the distance between the eardrum and the inner ear, thus allowing the bones of the middle ear to be shorter, and as a result, lighter in weight. Scientists have known for several years that A. tormotus males produce high-pitched, birdlike calls that extend into ...

Neurons find their place in the developing nervous system with the help of a sticky molecule

...otein had stymied their attempt to travel the full distance to layer 2/3 and supporting the original hypothesis. The goal now is to determine how MDGA1 controls neuronal migration and what the long-term consequences are of its loss. Impaired function of neuronal adhesion molecules has been previously linke...

Study suggests that publicly available genome data may contain small but significant errors

...idization data can be used to establish a physical distance between unique arrayed probes--a sequence of DNA w...e-dimensional rendering of a geographical map. The distance between pairs of landmarks can be used to assemble physical maps, as an aid to sequence assembly, or...

Cholesterol gets 'thumbs up' for role in digit development

...ts production and then tapered off with increasing distance from the synthesis site. But previous studies in mice suggested that cholesterol promoted the movement of Sonic hedgehog, a counterintuitive proposal given cholesterol's supposed tethering ability. To try and clear up cholesterol's role in digit ...

How nerve cells stay in shape

...e synapses, which in some cases are a considerable distance from the cell body. Staufen2 protein is involved in this transport process. Bernhard Goetze and Paolo Macchi have, for the first time, shown that the protein Staufen2 is required to maintain synapses. The researchers knocked-down different proteins ...

Biologists visualize protein interaction that may initiate viral infection

...he virus surface that contains two carbohydrates a distance of 18 angstroms apart. This feature apparently is essential for the binding to take place, she said. "Why doesn't the binding happen at other sugar-binding sites?" she asked. "The answer is that we need two carbohydrate sites that are 18 angstroms a...

New 'implanted contacts' designed to fix nearsightedness

...as myopia, by bending light rays to improve blurry distance vision without the need for glasses or contacts. Dr. Bowman said the lens currently is approved only for nearsightedness, but it may eventually be available for farsightedness and astigmatism. It has been used for nearsightedness for several years i...

Record bonefish

...fish and measured at more than double the previous distance record. Since 1998, the Bonefish-Tarpon Conservat...ing about an inch in length and moving in a linear distance of 186 miles." This distance record is more than double the previous one of 75 miles (Key Largo to ...

Genetically altered mice no longer like cocaine

...mal mice on cocaine covered roughly five times the distance than the control mice injected with saline (6 mete...modified dopamine receptors covered about half the distance that the saline-only injected mice covered (roughly 1.5 meters vs. 3 meters.) "After the cocaine in...

Purdue creates new low-cost system to detect bacteria

...stances secreted by a particular bacterium and the distance between individual bacteria in a colony, all contribute to how a colony distorts light. The procedure identifies a bacterial colony by comparing an image of its scatter pattern against a template that contains 120 features described by Zernike polyno...

BGSU biologist trying to crack microscopic code

...roses but lets the butterflies through." A short distance separates the outer membrane and the rest of the organism. How the bacteria maintain their barrier when it's physically removed from the rest of the cell, and thus separated from its energy source, is where his interest lies. "The barrier is not se...

Virus has 'catastrophic' affect on red squirrels, research shows

...treated on a landscape scale, and found the annual distance was 76 square kilometres in Cumbria and 96 sq km in Norfolk. In contrast, the annual retreat in Italy was just 3.6 sq km and 4.4 sq km in Scotland. The red squirrel decline - measured in terms of the area they inhabit rather than population number...

Neurons grown from embryonic stem cells restore function in paralyzed rats

...must remember, however, that we still have a great distance to go," says Elias A. Zerhouni, Director of the National Institutes of Health. "This study provides a 'recipe' for using stem cells to reconnect the nervous system," says Dr. Kerr. "It raises the notion that we can eventually achieve this in humans,...

Research highlights how bacteria produce energy

...rough the biofilms to the electrodes. "Cells at a distance from the anode remained viable with no decrease in...r electrons. The finding that pili can extend the distance over which electrons can be transferred suggests additional avenues for genetically engineering the ...

Discovery of agile molecular motors could aid in treating motor neuron diseases

...ry maneuvering ability to allow for effective long distance transport. Earlier this year, as reported in The Journal of Cell Biology, researchers in Holzbaur's lab found that a mutation in dynactin leads to degeneration of motor neurons, the hallmark of motor neuron disease. This mutation decreases the effi...

Recombination protein dynamics observed with single monomer resolution

...m the green dye to the red dye, depending upon the distance between them. The researchers then measure the brightness of the two dyes simultaneously. The changing ratio of the two intensities indicates the relative movement of the two dyes, and therefore the motion of the molecule or its change in size. The...

Researchers discover how bacteria sense their environments

...m the receptors to travel hundreds of angstroms, a distance used in atomic physics that is a virtual marathon in the world of intracellular communication. Ten angstroms equal a nanometer, which is one-billionth of a meter. Sang-Youn Park, a former graduate student in Cornell's Department of Chemistry and Che...

Mobile DNA part of evolution's toolbox

...s direct evidence that even when they land at some distance from a gene, mobile elements like SINEs can be adapted to serve as regulatory elements that have powerful effects in their new locations. "When you activate a gene in a new context," Bejerano points out, "you get processes that did not occur before."...

Ocean temperature predicts spread of marine species

Scientists can predict how the distance marine larvae travel varies with ocean temperature...ts before returning to join adult populations. The distance larvae travel before maturing, called dispersal, is directly linked to ocean temperature, the resear...

Too mellow for our predatory world

... However, as the researchers found out, the flight distance of the reptiles does not sufficiently increase, wh...irst, they recorded the original flight initiation distance of "naïve" animals. The researchers then experimentally chased the animals for 15 minutes, always a...

Extraordinary life found around deep-sea gas seeps

...round the seeps for formal identification, but the distance to previously studied cold seeps implies that there are several species new to science among these new collections,' says Dr Rowden. The team has also collected samples of the sediment and water surrounding the seeps for chemical analysis and used...

Uniform tungsten trimers stand and deliver

... we are using a stream of electrons to measure the distance from the microscope's tip to a small space between atoms," White explained. The collaborators also characterized the cluster mass, determined the ratio of tungsten to oxygen atoms in the cluster, and used X-ray photoelectron spectroscopy to identify ...

UCLA researchers unravel a mystery about DNA

...or the transfer of energy between -- and hence the distance separating -- pairs of fluorescent chemical tags attached to key structural elements of RNAP and the DNA double helix during initiation of the transcription process. The changes in the distances between these tags confirmed that transcription pro...

Nanotech tools yield DNA transcription breakthrough

...ments of the machine and then monitored changes in distance between tags in single molecules as transcription occurred. The researchers showed that, during initial transcription, the machine does not move to reach adjacent DNA segments; nor does it stretch to reach adjacent DNA segments (as had been proposed ...

Edge density key to controlling gypsy moth spread

...ult is flightless and usually only spreads a short distance beyond infestation boundaries. External colonies occur when moths hitch a ride on vehicles or other items relocated by people. Without an Allee effect, these colonies would establish, but because gypsy moths exhibit an Allee effect, the low populati...

Telemedicine robots help improve health

...sing a robot named Eliza to conquer the tyranny of distance and improve delivery of specialist medical care to the bush. Eliza, who began work at Mt Isa Hospital this week, is a creation of the University's Centre for Online Health ?a world leader in telemedicine research. The wireless robots can be whe...

Nanoscale microscope sheds first light on gene repair

...version to gamma-H2AX is limited to within a short distance of a break site. By using selective staining techniques and 4Pi visualization, Bewersdorf and colleagues determined that H2AX is distributed in distinct clusters uniformly throughout the nucleus and that the structure of these clusters may determine ...

Sequencing of the oyster mushroom genome

... and are placed side by side, they would run for a distance of 3.5 kilometres; the letters thereof, written and placed one after the other, would run to 141 km. The genome of the mushroom has twin sets of the genes and, thereby, each set has about 6,000 "pages" on which we estimate there are some 12,000 genes...

Hundreds of thousands of viral species present in the world's oceans

...g sites and found a correlation between geographic distance and genetic distance of viral species, supporting the idea that the marine virome varies from region to region. They also...

Invasive ants territorial when neighbors are not kin

...s occur commonly along territorial borders." The distance between nests did not play a role in ants' territorial behavior. Nor were there any obvious environmental clues to explain why ants would attack ants of the same species from one neighboring nest but not another. However, the researchers found a ve...

Nobel Laureate finds 'elegant' explanation for DNA transcribing enzyme's high fidelity

...e trigger loop swings from its usual position some distance away until it rests parallel to the NTP. It then forms a network of interactions—some 20 to 30 in all—with components of the NTP, a process that serves to “recognize all features of the NTP in the addition site and detect its precise location,?the re...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...bserved daily in the colony using binoculars, at a distance of at least 10 to 20 meters. Breeding success of the entire colony during 2001 was low at 42 percent. Out of the five pairs studied, three were feeding their chicks until October 2001. The experimental pairs in the study resumed with the expected br...

Satellites shed light on global warming

...ourney down to under a nanosecond to calculate the distance to the planet below to a maximum accuracy of two centimetres. ESA has had radar altimeters in orbit since July 1991, when ERS-1 was launched, which was followed by ERS-2 in 1995 and Envisat in 2002 and will continue to launch radar altimeters with Cr...

Gene study shows three distinct groups of chimpanzees

...nome by about 0.3 percent, which is one-fourth the distance between humans and chimps. Yet chimps and bonobos have radically different social systems, cultures, diets and mating systems. On the other hand, in this study, looking at three "subspecies" of common chimpanzees, "we found significant genetic va...
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(Date:10/9/2008)... WASHINGTON, D.C., October 9, 2008 The Indonesia...nnounced a bold commitment to protect the remainin...ndonesian island that holds some of the world,s mo...agreement represents the first-ever island-wide co...y. , The commitment has been endorsed by governo...
(Date:10/9/2008)..., RIVERSIDE, Calif. Essential for life in h... diseases such as rickets and osteoporosis, is now...verall human health, emphasizes UC Riverside,s An...D. , In a paper published in the August issue of...orman identifies vitamin D,s potential for contrib...
(Date:10/9/2008)..., A UC San Diego engineer has revealed a new mod...ipples of slime to crawl upside down beneath the s...echanical and aerospace engineering at the Jacobs ...in the journal Physics of Fluid called "Crawling..." that explains how and why water snails can drag ...
(Date:10/9/2008)... Work by researchers at North Carolina State Univ...lue crabs grown and harvested from freshwater pond...n,t worry, researchers say, because the pond-raise...d brethren. , North Carolina,s native blue crab ...r. Dave Eggleston, director of NC State,s Center f...
Breaking Biology News(10 mins):Saving Sumatra: Indonesia reaches historic agreement 2Vitamin D a key player in overall health of several body organs, says UC Riverside biochemist 2Vitamin D a key player in overall health of several body organs, says UC Riverside biochemist 3Ripple effect: Water snails offer new propulsion possibilities 2Ripple effect: Water snails offer new propulsion possibilities 3Turning freshwater farm ponds into crab farms 2Hope 3A An overlooked tool in the battle against HIV AIDS 25196 1Hope 3A An overlooked tool in the battle against HIV AIDS 25196 2Climate change 3A When it rains it 28really 29 pours 7027 1Climate change 3A When it rains it 28really 29 pours 7027 2SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 1SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 2SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 3SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 4SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 5SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 6SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 7SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 8SGX Pharmaceuticals Announces Financial Results for the Three and Six Months Ended June 30 2008 7024 9Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 1Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 2Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 3Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 4Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 5Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 6Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 7Anesiva Announces Second Quarter 2008 Financial Results and Update 7020 8
(Date:10/10/2008)...Michigan received $5 million from the National Ins...esource of high-quality experimental data sets of ...mputer-aided drug design to a new level. , The ...puter programs that can predict the effectiveness ...ciate professor in the U-M College of Pharmacy and...
(Date:10/10/2008)... Johns Hopkins University School,of Medicine is la...ptimizing Adjuvant Breast Cancer Strategies: From ...ent key research data on the latest advances in,br...ents in the treatment of breast cancer have,led to...ons that are,increasingly tailored to the specific...
(Date:10/10/2008)... The Mobile Massage Team, (http://www.mobilemassag...massage,services for corporate wellness programs, ... today that it is expanding its service area throu...lphia metropolitan region., "We are quite excited...ed, massage programs and services throughout both...
(Date:10/10/2008)...nationally recognized faculty will,present the ver...east,cancer in the multimedia course "Optimizing A...to Treatment Selection" during National Breast,Can...icing oncologists and other interested,health care...t care,advances. This accredited course offers con...
Breaking Medicine News(10 mins):Health News:U-M to house leading drug database 2Health News:Latest Research on Breast Cancer Presented in a Virtual E-Conference CME Course 2Health News:Mobile Massage Team Announces Expansion of On-Site Seated Massage Services Throughout Eastern Pennsylvania and the Greater Philadelphia Region 2Health News:Nationally Recognized Faculty Presents Latest Advances in Care of Patients with Breast Cancer 2
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