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Tag: "locate" at biology news

Researcher says flu responders can learn from 1918 epidemic

...ins also cold-called nursing homes in the state to locate individuals with recollections on the 1918 flu outbreak. What he's found, he says, should concern anyone. "Most communities were woefully unprepared for the health crisis they faced," said Higgins, who is focusing his research efforts on the abilit...

Magnetic probe successfully tracks implanted cells in cancer patients

...obe approved by both European and U.S. agencies to locate therapeutic cells injected into eight melanoma patients. "Our results show that the MRI-based technique was more accurate than tracking the cells using radioactivity and that ultrasound failed to accurately guide injection of the cells into lymph n...

Genetic analysis of cavefish reveals more about evolution

... microsatellite linkage map, which allowed them to locate the regions of the chromosomes that had genes controlling cave related traits. The researchers found that genetic markers for albinism in the two groups appeared in the same location, suggesting three possibilities: the two cave populations had the ...

How the neuron sprouts its branches

...ues also found that the Golgi outposts appeared to locate themselves at dendritic branch points. "This finding is important because a fundamental problem that neurons must solve is how to sort appropriate cargo molecules in the right amounts down different dendritic branches," said Ehlers. "After all, diff...

Mining for gems in the fungal genome

... ability to dig through an entire fungal genome to locate nearly all the hidden gems-the actively-produced secondary metabolites-at once. The key to Keller's approach lies in a single fungal protein called LaeA. A few years ago, her team discovered that the presence of LaeA is required to turn on the ge...

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

...rget genome in much the same way as a mapmaker can locate landmarks at the correct coordinates by consulting a three-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 as an independent method for val...

Researchers develop portable 'vein finder' for faster, more accurate injections

...her physical conditions often make it difficult to locate veins and administer lifesaving drugs or solutions...orgia Tech Research Institute (GTRI). "Even if you locate a vein at the skin's surface, it's still easy to miss when you try to insert a needle into the tissu...

Forsyth scientists gain greater understanding of how embryos differentiate left from right

...left/right patterning, the process by which organs locate themselves on the left or right side of the body. The discovery of this novel mechanism, garnered through the study of three different vertebrates (frogs, chickens and zebrafish), marks the first time that a single common mechanism has been identif...

New brain hormone puts brakes on reproduction

... fluorescent antibodies to GnIH, they were able to locate where in the brain the hormone is made: in the nerves of the dorsomedial hypothalamus. The axons of these nerves project to numerous areas of the brain where nerve cells produce GnRH, and staining showed that these axons contacted GnRH-producing cell...

Losing sleep undoes the rejuvenating effects new learning has on the brain

...d, the sleep-restricted rats that were required to locate the platform using visual and odor cues did better on the task than their rested counterparts. This was an unexpected finding. Hairston et al. believe it is because the rested group tried to rely on memory to find the platform, generally a better st...

Chemical signaling helps regulate sensory map formation in the brain

...he brain. The wandering axons use these signals to locate their destinations in the map. Twenty years later, in 1983, Alfred Gierer developed computational models of this process. His models indicated that at least two counterbalancing signaling systems were required to push and pull the growing and branc...

One fish, two fish: New MIT sensor improves fish counts

... at all - they wanted to see if their device could locate ancient riverbeds under the ocean floor. But when their reconnaissance images did not match the riverbeds, the researchers went back with a new approach, and determined that they were seeing fish - tens of millions of fish. This marks the first time...

Salmonella bacteria use RNA to assess and adjust magnesium levels

...ls." Follow-up inquiries are already underway to locate the riboswitch's "brain"--the section of the RNA strand that responds to magnesium; and to learn how the high-magnesium configuration of the RNA disrupts final production of the protein. ...

UCR researchers design chip that can improve citrus varieties

...d genetic map of citrus that will help researchers locate many genes. The map location information will be used to make the development of new varieties more efficient. "This industry-supported effort both added to and made use of publicly available citrus sequences to develop an entirely new tool that w...

Gene screen for breast cancer better than pathologist's 'eye'

...er investigators, and include using sound waves to locate all the ducts. ...

3-D ultrasound scanner could guide robotic surgeries

... of a patients' organs captured prior to biopsy to locate lesions suspected to be cancer. As artificial intelligence technology improves in the coming decades, the scanner might even be able to guide surgical robots without the help of a surgeon, the researchers said. The 3-D ultrasound probe has yet to...

With record resolution and sensitivity, tool images how life organizes in a cell membrane

....'' Boxer's group used atomic force microscopy to locate interesting places and then employed the NanoSIMS 50 to determine what was there chemically. ''Either technique by itself would be I think insufficient, but combined, they're really powerful,'' Boxer said. The combination of techniques allowed the re...

Parasitic plants sniff out hosts

...he dodder plant was allowed to grow and attempt to locate its host. Dodder plants search for hosts by growing and moving in a circular pattern. In the past, many assumed that the search was random and the location of a host simply a chance encounter. After four days, when the plant was growing flat on th...

UCSD researchers discover internal compass of immune cell

...gral part of the internal compass the cells use to locate the source of chemoattractants. At the core of the amplification system is the chemical adenosine triphosphate (ATP). The chain of events necessary to direct the neutrophils toward its goal begins when ATP is released from the region of the cell s...

Scientists get best look ever at water-life connection

...ng a good view of the interaction was to precisely locate an optical probe on the protein surface. They inserted a molecule of the amino acid tryptophan into the protein as a probe, and measured how water moved around it -- a technique Zhong began to develop when he was a postdoctoral researcher in Nobel la...

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