Tag: "remarkable" at biology news

Nature mimics industry

... "I think researchers forget to look to nature for remarkable examples of similar and often identical halogenated organic chemicals. These amazing compounds are a vital part of life, and they serve natural purposes as hormones, pheromones, repellents and natural pesticides." Organohalogen compounds all c...

Patterning the face

...ton. The head skeleton in particular has undergone remarkable diversification, as is beautifully illustrated in Darwin's examination of beak morphology in Galapagos finches. This week in PLoS Biology, Justin Crump, Mary Swartz, and Charles Kimmel explore the mechanism by which cell signals induce specific patte...

Was Atkins right?

...otein diet. Body composition measurements revealed remarkable differences between the two groups, especially concerning the subcutaneous fat pad. This study also revealed that the weight reduction in rats fed the high protein diet was strongly associated with lower basal blood sugar and insulin levels, as ...

When male fish hum, females swim in, thanks to hormones, adaptable hearing

A small fish with a remarkable hearing system that enables females to zero in on the love hums broadcast by males during the breeding season is providing scientists with clues that someday might provide a treatment for people with high-frequency hearing loss. Researchers from the ...

Hormone helps fish to mate, may affect human hearing

...idshipman fish, Cornell's Bass notes: "Perhaps the remarkable hum of these fish will take on new meaning for the houseboaters when they discover that they may share some things in common with these vocal Lotharios of the sea. And we hope that others who study the human auditory system will be inspired by these ...

Scientists find 75 percent of red snapper sold in stores is really some other species

...pecies about which little is known, he said. "The remarkable extent of product mislabeling of red snapper threatens to distort the status of fish stocks in the eyes of consumers, contributing to a false impression that the supply of marine species is keeping up with demand," Marko said. ...

Warren Pharmaceuticals publishes results of preclinical evaluation

... of therapy in a number of important diseases. The remarkable efficacy of these compounds in a wide variety of animal models of disease and injury arises because EPO is an endogenous mediator of tissue protection. By separating the bone marrow activating function of EPO from its tissue-protective function, we h...

Salmonella infects cells and saves itself by altering host membrane lipids

...sozome and destruction." To accomplish this remarkable feat, the Salmonella bacteria use a "syringe-like" device called the type III secretion system to deliver a protein, SopB, which has phosphoinositide phosphatase activity and modifies the composition of the vacuole that encloses them. "While ...

Molecule that 'blocks' key bacterial enzyme may lead to new antibiotics

...ucture of this molecule, just 21 amino acids long, remarkable both in its size and its structure," said Ebright, a participant in the original structural studies, along with Severinov. "A great many papers have been published on this molecule in the last year," added Severinov. "Interest in MccJ25 has ...

Ecosystem bounces back from hurricanes

... longer-term data presented in this study show the remarkable recovery and resilience of the water quality and the finfish and shellfish inhabitants. The paper shows that although less water volume was delivered by Hurricane Fran, large amounts of fish kills were reported due to oxygen depletion and high concen...

Volcanic soils yield new clues about the emergence of powerful chiefdoms in Hawaii

...0s, just a few decades after European contact, the remarkable agricultural system that once prospered on Maui and Hawaii had collapsed. Most historians blame its demise on the introduction of human diseases, which caused a drastic crash in the Hawaiian population. As a result, there were no longer enough peopl...

Nature's ambush: pregnancy more likely from single unprotected intercourse than believed

...ypothesis definitively," said Prof. Wilcox. "It's remarkable that the biological forces shaping this intimate aspect of human behaviour have gone largely unrecognized. In part, this may be because the effect on intercourse is modest. But it's also because we just haven't paid much attention." What is the take-...

Common worm provides insights into salmonella virulence

...estine. Aballay said this may be the reason of the remarkable overlap between Salmonella virulence factors required for pathogenesis in mammals and worms. For their experiments, the team used the C. elegans-Salmonella enterica model developed by Aballay. Specifically, the researchers examined one of the bacteri...

Tiny tango: Device sorts microscopic particles with speed and precision

In a remarkable collaboration between engineers, physicists and biologists, Princeton scientists have invented a device that rapidly sorts microscopic particles into extremely fine gradations of sizes, opening a range of potential uses. The researchers ha...

Leroy Hood to receive 2004 Biotechnology Heritage Award

...hin the industry, and developing the record of the remarkable contributions the molecular sciences make to our lives. Previous award winners are: William J. Rutter (2003) Walter Gilbert and Phillip A. Sharp (2002) Francis S. Collins and J. Craig Venter (2001) Herbert W. Boyer and Robert A. Swanson (2000...

Study in flies allows researchers to visualize formation of a memory

... in humans and other animals, he adds. "This is a remarkable study which uses molecular genetic approaches to visualize memory formation in a living organism. It demonstrates that, in this model system, short term memory involves the recruitment of new synaptic connections into pre-existing ensembles of synap...

Regeneration of injured muscle from adult stem cells

Skeletal muscle has a remarkable capacity to regenerate following exercise or injury and harbors two different types of adult stem cells to accomplish the job: satellite cells and adult stem cells that can be isolated as side population (SP) cells. A certain group of these stem cel...

Using science to restore habitat for declining species

...to "infect" them with their young. Mussels display remarkable adaptations to actively infect their hosts, setting out lures similar to the prey of the host fish, releasing mussel young in small packets that resemble food, or entangling fish briefly in mucuslike threads. Recent article on host fish and infection...

National Cancer Gene Therapy Foundation gives $4.0 million in research grants

...reatment. It has emerged in recent years with the remarkable potential not only to deliver a cure for many types of cancers, but also to improve the quality of life with reduced side effects for patients undergoing treatments. Every year, over a half million people die from cancer and another million are dia...

Scripps scientists look deep inside sharks and their high-performance swimming system

... of sharks and one group of bony fish that share a remarkable host of similarities in body form and function," said Donley. "It's interesting to understand how mechanical design principles influence the evolution of locomotion in these animals."...

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