Tag: "unusual" at biology news

Scientists sequence genome of kind of organism central to biosphere's carbon cycle

...her new finding reported in Science concerns the unusual way the diatom metabolizes silicon to form its characteristically ornate silica frustule. "Diatoms can manipulate silica in ways that nanotechnologists can only dream about. If we understood how they can design and build their patterned frustule as...

Researchers find color sensitive atomic switch in bacteria

...." Spudich said. That function makes the protein unusual among its family of light-sensing proteins known as rhodopsins, which are present in microbes and higher animals. In human eyes, rhodopsin is the light-absorbing pigment of the rods, located in the retina. The team studied a new-found rhodopsin on ...

UMaine anthropologist wins Solon T. Kimball Award

...o conserve the lobster stock. "Lobstering is an unusual success story and there's an awful lot we can learn there," he says. "The important thing is these guys imposed these rules on themselves. It's an interesting, interesting industry," and the lessons we can learn from this industry can be applied to m...

Master of antimalarial resistance

...rasites lost their resistance to chloroquine. This unusual pattern--gaining resistance to one drug while simultaneously losing resistance to another--may shed light on the exact role that pfcrt plays in resistance, according to Fidock and colleagues. When a human is infected with malaria, the parasite lodges...

New fossil sheds light on old mystery

...ted by the lunging head, along with the prey. "The unusual neck morphology of Dinocephalosaurus would have allowed it to suction feed, a feeding mode previously unknown for fossil aquatic reptiles," said Michael LaBarbera, PhD, professor of organismal biology and anatomy at the University of Chicago. "But su...

New hydrothermal vents discovered as 'South Pacific Odyssey' research begins

...ive, which is behind this effort. "Because of the unusual properties of the ocean crust in the Lau Basin, we can expect to discover new species there--species that perhaps will hold new and unique secrets to share with us," Fisher said. "The microbes at sites like these--thriving in super-hot temperatures-...

$7.5 Million grant to Yale researchers for role of viruses in cancer

...'s Sarcoma Herpesvirus, two herpesviruses that are unusual in their ability to persist in patients in a latent state for many years, are the focus of George Miller, M.D., John Enders Professor of Pediatrics and professor of Molecular Biophysics and Biochemistry and Epidemiology and Public Health . His l...

22nd amino acid synthesized and added to genetic code of e. coli bacteria

...raditional path of the first 20 amino acids or the unusual route taken by 21st. In the end, tradition won out... suggest new ways to make artificial proteins with unusual chemical properties for use in medicine or industry, Krzycki said. The research was supported by the...

New sign language suggests children create language's fundamentals through learning

...signing with greater speed and fluidity. "It's an unusual community, sort of upside-down, in the sense that the children lead the way. The children are the most fluent users of the language, not the older adults," Senghas said. The researchers studied a trait central to all developed languages called "discr...

European common frog found to use novel mating strategy

...ng, but what may have hampered observation of this unusual behavior is the fact that at lower elevations, bre...h as many as four fathers. Vieites noted that this unusual mating strategy is a good way for the frog population to ensure that as many genes as possible are p...

Common cold virus can cause polio in mice when injected into muscles

... were infected with Coxsackievirus facilitated its unusual behavior inside the body, the study showed. The mi...ed with Coxsackievirus into their calf muscles, an unusual route of entry. Following the injection, the mice began to display symptoms of polio, including an a...

Essential smell gene may provide key to new insect repellents

...r each kind of receptor, and the Or83b receptor is unusual in two ways. First, nearly all the olfactory neurons in the fly have the Or83b receptor, whereas other kinds of receptors are divided up among small groups of olfactory neurons. In addition, Or83b is found in widely divergent species of insects, incl...

Discovery of new shrimp species adds to unique family

...discovered two new species of shrimp--adding to an unusual family that already includes varieties who can sho...particularly interesting, as it contains some very unusual varieties. Some species, sometimes known as pistol shrimps, use their claws to shoot imploding bubbl...

UCR earns $1.5 million grant to examine how engineered crop genes stray

...elds of corn in Mexico. UC Riverside's project is unusual because it will examine both the natural and the human factors that spread transgenes from engineered crops into non-engineered crops and natural populations. "This hasn't been done before, and I'm excited to get started," said Norman Ellstrand, a p...

Researchers show how to assemble building blocks for nanotechnology

...nanoparticles into wires, sheets, shells and other unusual structures using sticky patches that make the particles group themselves together in programmed ways. This method could be used to fabricate new materials and devices for nanotechnology. Using computer simulation of model particles, Zhenli Zhang, U-M...

Tips from the journals of the American Society for Microbiology

... Kanyawara community of fifty wild chimpanzees for unusual feeding behaviors, especially those of ill chimps. Stool and urine samples were collected for analysis. The occasional ingestion of Trichilia rubescens by the chimps was noted as unusual, as only one chimp per group would feed on the shrub for a sh...

Preschool bolsters early childhood immunity, reduces risk of young adult Hodgkin's lymphoma

... 55 and older. Said Chang: "Hodgkin's lymphoma is unusual among malignancies in having a distinct, two-phase incidence profile. In developed countries, the initial peak occurs among young adults aged 15 to 39, and the second peak from the mid-50s onward. Our study found no significant association between ...

Two-month study of life in mid-Atlantic yields trove of species, new insights & questions

...cimens collected: A deep-sea anglerfish with an unusual head structure and uniquely formed "lure" at the e...ies ("Fig. 8." Photo credit: Tracey Sutton); An unusual member of the Promachoteuthidae family of squids, distinguished by their small heads and small eyes ...

Virginia Tech's smelly 'corpse plant' due to bloom Aug. 4

...andanas over their noses and come see the rare and unusual plant. The horticulture greenhouse containing the plant is open to visitors Monday through Friday, July 26-30, and August 2-6, from 8 a.m. to 4 p.m. The likely date for the plant to bloom is Wednesday, Aug. 4, said Scott Rapier, greenhouse manager in...

Whale carcass yields bone-devouring worms

... Rouse notes that, "Because of the highly unusual anatomy of the females, at first we were at a loss...hale bones. The MBARI scientists will describe the unusual animal community at the Monterey Canyon whale fall in a paper to be published in the October 2004 is...

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