News tips from the Journal of Neuroscience
... control system of the lamprey that maintains body orientation in the sagittal (pitch), transversal (roll), and horizontal (yaw) planes. Brainstem reticulospinal (RS) neurons receive vestibular inputs and send outputs to the motoneuron pools to maintain body orientation. The authors used an in vitro preparatio...The time it takes to reassemble the world
...her, the test subjects could distinguish color and orientation but were unable to say which image the vertical o...er could the observers accurately report color and orientation of individual objects, indicating that computing the overall meaning of all this visual input is a t...The secret women keep from themselves
...syche; Why so many American women of all ages and orientation are willing to settle for mediocre sex; How a woman's attitude toward motherhood can upset her biological and psychological stability enough to diminish her libido and fertility; How menopause presents sexual challenges by instigating both psycholo...Scientists discover stage at which an embryonic cell is fated to become a stem cell
...f the embryo. And those differences depend on the orientation and order of the very first cleavage divisions of the embryo. Professor Zernicka-Goetz said, "Our findings were surprising since they showed that cells of the mammalian embryo first start to differ from each other much earlier in development than pr...News tips from the Journal of Neuroscience
...the second somatosensory (S2) cortical region show orientation tuning, somewhat akin to that observed in the visu...inger pad of two rhesus monkeys and show that this orientation tuning involves multiple mechanisms. They indented the skin of a finger pad with a motorized bar at ...Protein's effects essential for kidney-to-bladder urine transfer
...are the first to identify a factor that guides the orientation of smooth muscle cells, which surround the ureter and provide the pumping action that brings urine from the kidney to the bladder. Smooth muscles also play important roles in swallowing, digestion, reproduction, respiration, vision and other biologic...ACS News Service Weekly PressPac -- Dec. 13, 2006
...ier way of positioning microtubules in the desired orientation on chips, thus reducing the amount of microfabrication typically needed to manufacture guide channels, the researchers said. ARTICLE #4 FOR IMMEDIATE RELEASE "Active Alignment of Microtubules With Electric Fields" DOWNLOAD PDF http://pubs.acs.org/c...Midges send undeniable message -- planet is warming
...such as differences in the number, size, shape and orientation of teeth. "In the upper layers of most of the sediment samples those representing the last 25 to 30 years we see head capsules from midges that normally thrive in slightly warmer water temperatures," Porinchu said. "And the cooler-water midges ha...ACS News Service Weekly PressPac -- Nov. 29, 2006
...ggedness, and ability to be engineered for optimal orientation and patterning means that sdAbs are likely to be high-performance yet low-maintenance substitutes for any antibody-based biosensor," the report states. ARTICLE #2 FOR IMMEDIATE RELEASE "Facile Generation of Heat-Stable Antiviral and Antitoxin Single......ercent to 160 percent, suggesting that the enzymes orientation in the pore is important. It could be that in some cases the active site, the part of the enzyme that needs to be in contact with the chemical to be converted, was pointing the wrong way and pressed tightly against the walls of the pore, Ackerman s......new findings allow for three possibilities for the orientation of the cluster in the protein of photo system II, which gives four possible positions for the calcium. The scientists in the international group developed the EXAFS (Extended X-ray Absorption Fine Structure) measurement system further for their in...Learning how nature splits water
...igh-resolution information about the distances and orientation of the catalyst. "We have a real structure now," adds Vittal Yachandra, also with Berkeley Lab's Physical Biosciences Division and a co-author of the paper. "It's not just guesswork anymore. Before, there were a lot of disparate pieces and scientis...Carnegie Mellon uses new imaging technique to discover differences in brains of people with autism
...s move, or diffuse, in a direction parallel to the orientation of the nerve fibers of the white matter. They're aided by the coherent structure of the fibers and a process called myelination, in which a sheath is formed around the fibers that speeds nerve impulses. The movement of water is more dispersed if the ...Stretching bone marrow stem cells pushes them towards becoming blood vessel
...ng the grooves. They found that the perpendicular orientation significantly diminished the expression of genes for tensile strength. Researchers also saw a slight increase in cell proliferation when cells were aligned parallel to the axis of strain. The findings indicate that the stem cells were well on their ...Possible evidence of cell division, differentiation found in oldest known embryo fossils
...on by pointing out, "The size, shape, and mirrored orientation of paired intracellular structures in four-cell embryos are similar to those of spindle bundles or divided nuclei formed during karyokinesis (nuclear division) in extant metazoan (animal) embryos." The research team also observed "occasional asynch...Most important actors in the growth process of neurons identified
...an sometimes be more than a meter long. The axon's orientation as it grows is also of great importance in forming...ated process in that it involves growth as well as orientation and recognition. So it's not surprising that many different genes are involved. To bring clarity to ...News tips from the Journal of Neuroscience
...entations differed. Thus, in the "real world," the orientation of textures on the surfaces of objects can affect our perception of their relative depth. 4. Mutant α-Synucleins and Cytosolic Catecholamines Eugene V. Mosharov, Roland G. W. Staal, Jordi Bové, Delphine Prou, Anthonia Hananiya, Dmitr...Sugar metabolism tracked in living plant tissues, in real time
...rotein, the hinge opens, changing the distance and orientation of the fluorescent proteins. This physical change affects the energy transfer between the cyan and yellow markers. When the researchers hit the tags with light of a specific wavelength, the cyan tag starts to fluoresce. If the yellow tag is close e...Forsyth scientists develop system for automated analysis of behavior
...uter constantly monitors the animal's position and orientation within each dish and provides rewards or noxious stimuli in accordance to the pre-established 'learning' program. For example, a worm may be rewarded with the turning off of a bright light whenever it stays in a small area at the center of the dish, ...Trap-jaw ants have fastest recorded strike in animal kingdom
...ontrol the direction of their jumps, or even their orientation when landing. Yet, the researchers note that even when an ant lands on its back or head, the insect is so light that it can still walk away no worse for wear. That the ants use their jaws for both capturing prey and for defense is a notable example...