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Tag: "resembles" at biology news

Man and mouse share genome structures

...NA spooled around bundles of histone proteins, and resembles a chain of beads which is then compressed into a working chromosome. Chemical tags placed on the histones alter the way chromatin is organized, thus allowing the right combination of genes to be turned on. In their study, the researchers analyzed th...

Tiny scaffolding allows stem cells to become working fat cells

...ies. "The PET fibers are spun out onto a mat that resembles the intracellular matrix that bonds cells together in normal tissue. The fibers are about the size of a collagen fiber, several nanometers (a billionth of a meter) across, and provide tensile strength to support the growing tissue," Kniss said. The ...

Opposing fat metabolism pathways triggered by a single gene

...-2, increases fat content. In its function, nhr-49 resembles a mammalian NHR, called peroxisome proliferator-activated receptors (PPARs). Further investigation of this link may lead to better understanding of the functions of PPARs and provide opportunities for altering their function for treatment of fat meta...

Same-Sex Mating Discovered in a Toxic Fungus

...ndergo fruiting and produce spores, a process that resembles sexual reproduction. However, researchers thought that the unisexual fruiting occurred strictly through the asexual division of cells into identical clones, Heitman said. That left scientists with a conundrum. C. neoformans has a defined sexual cycl...

Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment

...ntaneous. No ice crystals form and the consistency resembles a viscous glassy state. Research so far has used mouse oocytes but U-M expects to make the technology available in the clinic soon. "With traditional slow-freeze techniques, just over half the eggs survive the thawing process. Using vitrification, w...

Shark attack worries? Driving to the beach is more deadly

...it by a shark, and it's probably because the board resembles the shape of a seal, which is a prime food source for sharks." McEachran says some common sense can go a long way in avoiding contact with sharks. "Sharks generally don't like to be around people," he adds. "Most people are safe at the beach. To p...

New HIV drug candidate developed in Sweden

...it by a shark, and it's probably because the board resembles the shape of a seal, which is a prime food source for sharks." McEachran says some common sense can go a long way in avoiding contact with sharks. "Sharks generally don't like to be around people," he adds. "Most people are safe at the beach. To p...

Agilent Technologies introduces advanced zebrafish, mouse microarrays for stem cell and developmental biology research

...it by a shark, and it's probably because the board resembles the shape of a seal, which is a prime food source for sharks." McEachran says some common sense can go a long way in avoiding contact with sharks. "Sharks generally don't like to be around people," he adds. "Most people are safe at the beach. To p...

Malaria mechanism revealed

...e, and that the overall shape of such RII "dimers" resembles a donut with two holes. (Image available on request) Next, to identify precisely which parts of the RII surface bind to glycophorin A, the researchers determined the atomic structure of RII crystallized along with sugar molecules called glycans. Pre...

Researchers identify new catfish family

... all these weird things." A barbel (the part that resembles a cat's whisker) is articulated differently from that of an ictalurid. There also are differences in the bone structure of the skull and in the shape of the air bladder. "The ictalurids all have these big jaw muscles that come up over the top and an...

New Lab Research May Help Those Deafened By Immune System Attack

...he KHRI-3 antibody creates a staining pattern that resembles a line of tiny wine glasses when it binds to IESCA in the organs of Corti of guinea pigs. The U-M has patent applications pending in the U.S. and abroad pertaining to KHRI-3, IESCA and AISNHL. The University, Carey and several colleagues stand to pr...

Mechanism regulating tooth shape formulation found

... much broader resulting in cheek teeth whose shape resembles more rhinoceros teeth than mouse teeth. Furthermore, these mice have extra teeth and sometimes adjacent teeth are fused. These results indicate that there is a delicate balance of induction and inhibition in determining tooth cusps and that ectodin i...

When in danger humans are similar to a deer in the headlights

...es than after looking at the others. "This pattern resembles the 'freezing' and 'fear bradycardia' seen in many species when confronted with threatening stimuli, mediated by neural circuits that promote defensive survival," author Eliane Volchan explains. This study is published in the current issue of Psycho...

Researchers discover how malaria parasite disperses from red blood cells

...the "irregular schizont" stage, the red blood cell resembles a lop-sided fried egg, with the parasites visible as a sphere near the center of the cell. (A diagram of the entire sequence appears at http://www.nichd.nih.gov/new/releases/malaria_graphic.cfm .) The cell's lop-sided appearance probably results f...

Infectious disease expert warns of spread of Rocky Mountain spotted fever

..., does not appear until later in the infection and resembles a pinpoint pattern of pink-to-red spots over the entire body, or parts thereof. The rash is also noticeable on the soles of the feet and palms of the hands, where rashes do not usually appear. At this later stage of infection, antibiotic therapy beco...

A 'dimmer switch' for genes

...ant in turning genes on and off, but in a way that resembles a dimmer switch rather than an on-off switch. Genes carry the code that produces proteins to carry out almost all functions in a living organism. But some of these proteins also help control when and where genes do their jobs. The new study deals wi...

Why Christmas trees are not extinct

...have what is known as "torus-margo" structure that resembles a bird's-eye-view of a circular trampoline. "It's like a trampoline in that the torus is the mat, and the margo represents the supporting springs with holes between them," Sperry says. "The margo holds the torus in place just like springs hold the ...

Newly discovered birdlike dinosaur is oldest raptor ever found in South America

.... "Except for its faunal composition, La Buitrera resembles the Gobi desert in its abundance of fossils and their exquisite state of preservation," Apestegua adds. A cast of the unusual dinosaur is on public display on the upper floor of The Field Museum in the MacDonald's Preparation Lab. It will be part of...

Novel protein complex enables survival in hostile environment

...roperties as well as the combined activity. "Fsr-N resembles a protein that introduces electrons into the membrane-based energy transduction systems of certain archaea. Such an energy transduction system is also found in E. coli and humans," Mukhopadhyay said. "Fsr-C is similar to the sulfite reductases that a...

Scientists discover interplay between genes and viruses in tiny ocean plankton

...leman suggest that gene-swapping in ocean microbes resembles the flow of genes already known to occur among disease-causing bacteria. In an ocean habitat, the exchange offers marine microbes a diverse palette of potential gene combinations, each of which might be best suited for a particular environment. "This...

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