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Localize in Biological News

Manatees can probably hear which directions boats approach from

... perceive their environment. Whether they can localize sounds, and specifically whether they can tell ... these sounds. So how are the animals able to localize sounds? Colbert explains that many terrestrial ... combinations of these and other cues to help them localize sounds, as they were able to locate the sources ...

Researchers visualize complex pigment mixtures in living cells

... has proven to be an excellent method to localize pigments in cells as long as there is little ... boundaries of this technique, and can separately localize pigments with similar fluorescence spectra. ... to each other in the cell, and we were able to localize the two different photosystems in the cell ...

Spontaneous assembly

... proteins. "Since individual proteins are imaged one at a time, we can localize and count them, and then computationally assemble the locations of all ... "Chemotaxis proteins cluster into large sensory complexes that localize to the poles of the bacterial cell," Liphardt said. "We wanted to ...

CSHL researchers pinpoint structure-building role for 2 non-coding RNAs

... the cell's cytoplasm like their protein-coding RNA cousins. ncRNAs localize to paraspeckles Cells usually increase their production of ncRNAs when ... way to figure out hints as to what ncRNAs do is to find out where they localize within cells, which might reveal the molecules they interact with and the ...

Ultrasonic frogs can tune their ears to different frequencies

... by emitting high frequency calls that include ultrasonic sounds, and can localize sound with astonishing precision. Upon hearing a female call, a male will ... the ears makes them sensitive to sound direction, enabling the frog to localize sound, Feng said. To determine the consequence of active closure of the ...

Reprogramming human cells without inserting genes

... said Raymond Page, PhD, research assistant professor of biology and biotechnology at WPI and lead author on the paper. "Having these proteins localize to the nucleus is the first step of reprogramming these cells." Even more surprising, the team found that the stem cell genes OCT4, SOX2 and NANOG ...

Researchers develop flow sensors based on hair structures of blind cavefish

... researchers to mimic the hairs of these blind cavefish in the laboratory. While the fish use these hairs to detect obstacles, avoid predators and localize prey, researchers believe the engineered sensors they are developing could have a variety of underwater applications, such as port security, ...

Lipid droplets lead a Spartin existence

... removed Spartin from LDs and promoted its degradation. A truncated form of Spartin found in a rare neuronal disease called Troyer syndrome didn't localize to LDs or bind to TIP47. It remains to be seen whether defects in LD function are the root cause of the defects seen in Troyer patients, but author ...

Engineers create intelligent molecules that seek-and-destroy diseased cells

... that trigger cell death only in the presence of such markers. "A lot of the trick with developing effective therapeutics is the ability to target and localize the therapeutic effect, while minimizing nonspecific side effects," she said. Smolke will present the latest applications of her lab's work at the ...

Billion-year revision of plant evolution timeline may stem from discovery of lignin in seaweed

... Current Biology , lead author Patrick Martone and colleagues describe using powerful chemical and microscopic anatomy techniques to identify and localize lignin within cell walls of a red alga that thrives along the wave-swept California coast. Martone conducted the work described in the paper while a ...

Risk and reward compete in brain

... the interaction between two brain regions. Co-author Zhong-Lin Lu, professor of psychology at USC, said: "What this study has done is essentially localize two separate centers for the fear of risk and the lure of reward." ...

FBI unveils science of anthrax investigation

... in the SEM is not a surface-sensitive tool," says Kotula. "Because a spore body can be 1.5 to 2 microns wide by 1 micron long, a SEM cannot localize the elemental signal from whole spore bodies." Using more sensitive transmission electron microscopy (TEM), Kotula and Michael's research ...

Female concave-eared frogs draw mates with ultrasonic calls

... and dolphins are known to detect sound with similar precision. The small distance between the frogs ears (about one centimeter) makes its ability to localize the sound that much more impressive, Feng said. How the female picks a mate in the wild is still unknown, however. We have a lot of work to do ...

Robot fetches objects with just a point and a click

... and shelves. Kemp's team designed El-E to take advantage of this common structure. Regardless of the height, El-E uses the same strategies to localize and pick up the object by elevating its arm and sensors to match the height of the object's location. The robot's ability to reach objects both from ...

American Chemical Society's Weekly PressPac -- Sept. 19, 2007

... and prostate cancer patients. ARTICLE #3 FOR IMMEDIATE RELEASE Pomegranate Ellagitannin-Derived Metabolites Inhibit Prostate Cancer Growth and localize to the Mouse Prostate Gland DOWNLOAD PDF http://pubs.acs.org/cgi-bin/sample.cgi/jafcau/2007/55/i19/pdf/jf071303g.pdf DOWNLOAD HTML ...

Features of replication suggest viruses have common themes, vulnerabilities

... for replication to enter and newly made viral genomes to exit. The virus begins to co-opt the cell as a critical viral protein and viral RNA localize to the budding organelles, Ahlquist explains. "The virus takes over most of the available membrane. The protein creates a shell inside the spherule" ...

Study shows humans have ability to track odors, much like bloodhounds

... and right nostrils sense, much the way it can localize sounds by contrasting input from the ears. "It ... von Bekesy claimed that humans had the ability to localize odors, based on experiments in 1964 with human ... of scent, but anosmic volunteers could only localize the trigeminal odorants, Sobel said. This shows ...

Slow brain waves play key role in coordinating complex activity

... have brain activity measured up to a week beforehand so that surgeons can localize important areas they need to avoid, such as centers of language, vision or ... on the surface of the brain's frontal and temporal lobes to precisely localize the source of the seizure so it could be removed in a subsequent surgical ...

Surprising origin of cell's internal highways

... the molecular mechanisms governing the process. They found that proteins normally associated with the plus ends of microtubules, called CLASPs, localize to a specific compartment of the Golgi (the Trans Golgi Network) and stabilize the microtubule "seeds" at the Golgi. Golgi-originating ...

Do fruit flies have free will?

... ask 'how close to free will are we"' one finds that this is precisely where humans and animals differ". The next step will be to use genetics to localize and understand the brain circuits responsible for the spontaneous behavior. This step could lead directly to the development of robots with the ...

New study challenges 'critical period' in childhood vision development

... treatment. Now, twenty years after her surgery, the researchers found that she is able to discern between separate objects, determine depth, localize faces amongst a background of natural scenes, and match faces by their identity. This case demonstrated that a person can acquire visual function ...

Biologically inspired sensors can augment sonar, vision system in submarines

... with 1 millimeter spacing. Each sensor is 400 microns wide and 600 microns tall. In tests, the researchers?artificial lateral line was able to localize a nearby underwater vibrating source, and could detect the hydrodynamic wake (such as the wake formed behind a propeller-driven submarine) for ...

Fast-freeze snapshot yields new picture of nerve-muscle junction

... liquid glass and devoid of destructive crystals. Cross-sections taken of synapses reveal that membrane packets, or vesicles, of neurotransmitter localize in places scientists have never before seen. "It tells us that specific proteins are required to transition vesicles in close apposition to ...

Circadian gene helps the brain predict mealtime

... for investigating the brain's cerebral clockwork responsible for predicting mealtime--with this tool in hand, it will be possible to anatomically localize areas of the brain that are involved in food anticipation. Looking forward, the researchers expect that this will allow the study of how these areas ...

New understanding of parasite cell structures may provide treatments for serious tropical diseases

... including disease transmission. Now, for the first time, cellular biologists at the University of Georgia have developed new tools to study and localize GPIs in living organisms and are discovering a new understanding of how they work in tropical parasites that cause human disease and suffering. ...

One-dimensional diffusion accelerates molecular motors

... on a microtubule, and then slides around on its surface. This "random" strategy is surprisingly efficient and successful. It allows MCAK to localize microtubule ends very quickly. Howard says, "when it gets there, MCAK eats like a Pacman into the end of the microtubule." The chromosome halves ...

Snakes' virtual glasses, leopard spots and all-optical transistors

... use the organ to track prey very well because the pit aperture is large and the organ is not very deep. However, studies have shown that snakes can localize heat sources to a surprisingly accurate resolution of five degrees (roughly the angular width of "Snakes on a Plane" costar Rachel Blanchard at three ...

Pathway toward gene silencing described in plants

... the researchers found the importance of RNA Polymerase IVa (Pol IVa) by looking at a Pol IVa mutant and noting that the rest of the proteins didn't localize properly. In the RNA-dependent RNA polymerase 2 (RDR2) mutant, Pol IVa is unaffected, but the function of all the other proteins downstream is ...

New light microscope sharpens scientists' focus

... Because the number of molecules captured in each image is small, they are far enough apart to see each molecule individually and thereby localize its center, Hess said. When a final image is created that includes the center of each individual molecule, it has a resolution previously only ...

Sandia work launched on space shuttle shows live cells influence growth of nanostructures

... cell surface. These may enhance the sensitivity of Raman spectroscopy for monitoring the onset of infection or the course of therapy. The cells also localize proteins at the cellular interface. Assistant Professor Graham Timmins of UNM's College of Pharmacy notes that the encapsulated cells' unusual ...

Oops! Researchers publish new findings on the brain's response to costly mistakes

... a study in OCD patients that showed heightened response to errors in the same area. Now, the fMRI technique has allowed the researchers to localize this response even more precisely. The fMRI scanner uses magnetic fields to create images based on blood flow, and can detect tiny changes in the ...

New possibilities to fight pests with biological means

... when they are attacked by certain pests, such as a caterpillar known as the Egyptian cotton leaf worm. Parasitic wasps use these plant scents to localize the caterpillar and deposit their eggs on it, so that their offspring can feed on the caterpillar. Soon after, the caterpillar dies and the plant is ...

Infused spleen cells found not to impact islet recovery and reversal of type 1 diabetes in mice

... and therefore is more difficult to study. "The difficulty with human genetic approaches to common disease is that we lack the power to precisely localize DNA sequences that are associated with disease, often leaving us immense stretches of DNA to look at," says one of the study's corresponding authors, ...

Junk DNA may not be so junky after all

... and therefore is more difficult to study. "The difficulty with human genetic approaches to common disease is that we lack the power to precisely localize DNA sequences that are associated with disease, often leaving us immense stretches of DNA to look at," says one of the study's corresponding authors, ...

Scientists discover genetic pathway responsible for breast cancer cell growth

... project to create a new type of DNA microchip containing the partial DNA sequences of approximately 19,000 genes. Dr. Giguère's team was able to localize where the estrogen receptor was bound in the genome of breast cancer cells, thereby identifying a large number of genes that respond to this hormone ...

Scientists discover that host cell lipids facilitate bacterial movement

... of actin filaments, allowing new actin filament assembly. Because Listeria is capable of stimulating actin assembly and PIP2 and PIP3 are known to localize to regions of new actin assembly, Dr. Southwick and his colleagues decided to explore the roles these lipids play in Listeria infection. "We had ...

Vital step in cellular migration described by UCSD medical researchers

... system leukocytes (such as T cells), striated and smooth muscle, and neurons. For this reason, they believe the mechanism used by alpha4 integrins to localize Rac activity may participate in a wide variety of cell migratory and pathfinding events. In addition to Nishiya and Ginsberg, additional authors ...

Imaging Lymph Nodes with Nanoparticles

... iron oxide core and are covered by dextran, imparting long circulation times and biocompatibility. When injected intravenously, the nanoparticles localize to lymphoid tissue, and are internalized into macrophages. There is then a decrease in signal intensity on T2- and T2*-weighted images, and when ...

New, automated tool successfully classifies and relates proteins in unprecedented way

... to show which proteins cluster together inside a cell. The approach, developed by Carnegie Mellon University, outperforms existing visual methods to localize proteins inside cells, says Professor Robert F. Murphy, whose report, "Data Mining in Genomics and Proteomics," appears in an upcoming special issue ...
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(Date:12/17/2014)... 2014  Automation is fundamentally transforming the travel ... at international borders. Over the past decade, ePassports, ... veteran travelers to self process through border control ... at an increasing number of airports, seaports, and ... According to Maxine Most , Principal at ...
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(Date:12/10/2014)... N.C. , Dec. 9, 2014  Wake Forest Baptist ... education building for its School of Medicine. Funding for ... larger capital campaign that will be publicly launched next ... be located in the former 60 series R.J. Reynolds ... Innovation Quarter. Construction will begin immediately with plans to ...
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