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Tag: "explore" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...on andother factors.Spear said it was difficult to explore a microbial ecosystem. "We havea hard enough time explaining what's going on in a forest, for example,with all the interlacing systems. We can't even see a microbialsystem."Sample extraction was a dangerous and delicate operation. In order toaccurate...

Taking Aim With Nanoparticle PEBBLEs

...mbedding (PEBBLEs). First developed as sensors to explore and monitor cellular processes, PEBBLEs now hold promise for diagnosing and treating cancer, said Raoul Kopelman, who is the Kasimir Fajans Collegiate Professor of Chemistry, Physics and Applied Physics at U-M. At the 229th national meeting of the Am...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

... among parrot species, as well as "to specifically explore the balance of naturally and sexually selected costs and benefits to becoming colorful. "Parrots are unusual among birds, in that they almost without exception display fantastic colors but exhibit very little variation in color within a species ?at ...

Transport System Smuggles Medicines Into Brain

... among parrot species, as well as "to specifically explore the balance of naturally and sexually selected costs and benefits to becoming colorful. "Parrots are unusual among birds, in that they almost without exception display fantastic colors but exhibit very little variation in color within a species ?at ...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

...institutions. The researchers used a rat model to explore the effects of growth hormone and another compound, IGF-1 (insulin-like growth factor 1) on adult rats and found paradoxical effects, according to William E. Sonntag, Ph.D., professor of physiology and pharmacology at Wake Forest University Baptist M...

The BIOS Initiative - open source biotechnology is born

...dium enterprises and even large firms worldwide to explore new business models and begin a new era of transparent and cost-effective innovation in life sciences. The technologies include TransBacter, a new method for transferring genes to plants, and GUSPlus, a new way of visualizing where these genes are a...

PANTHER Protein Classification System Database 5.0

...y their known or inferred biological functions and explore morethan 60 pathways associated with protein families, subfamilies, andtraining sequences using diagrams drawn by expert curators.The new PANTHER system Pathway Module is the result of an ongoingcollaboration with the Systems Biology Institute (SBI) ...

Falling ants glide back to trunk to avoid dangers of forest floor

...ception, not the rule." Yanoviak is in Iquitos to explore how deforestation affects the mosquito transmissio...ll as other insects that live in the trees, and to explore the biomechanics of their gliding. ### Yanoviak also is affiliated with the University of Florida ...

Scientists discover that host cell lipids facilitate bacterial movement

...embly, Dr. Southwick and his colleagues decided to explore the roles these lipids play in Listeria infection. "We had expected to see PIP2 and PIP3 only at the very back of Listeria where new actin assembly was taking place," recalls Dr. Southwick. "To our surprise these lipids also localized to the front o...

Measuring the impact of post-genomics on Mediterranean populations

...nstitute in Tunisia earlier this month, set out to explore how discoveries in this field can help the Mediter...priorities were identified, delegates went onto to explore which mechanisms would best serve Euro-Mediterranean partnerships in the health research domain. The...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...ter birth. To test memory, each rat was allowed to explore a novel experimental chamber for several minutes on the first day. On the second day, each rat was placed back into the chamber and was shocked for two seconds and then put back in its home cage. After 24 hours, the researchers again put each rat in ...

Variation in women's X chromosomes may explain differences among individuals, between sexes

...lation," Willard said. Further work is required to explore potential consequences of that variation, he added. However, the large number of genes that escape inactivation and their concentration in certain portions of the X chromosome has immediate implications for counseling the one in every 650 individual...

Use of PET can reduce, may eliminate more strenuous drug development trials with animals

A number of articles explore the use of positron emission tomography (PET) and ...tumor function and performing cardiac studies that explore drugs that reverse the conditions of animals. The JNM articles on small animal imaging, with numero...

Flocking together: Study shows how animal groups find their way

...mans behave in crowds and in designing robots that explore remote locations such as the ocean or other planets. "When you see apparently complex behaviors, the mechanisms that coordinate these behaviors may be surprisingly simple and generic," said Iain Couzin, a postdoctoral researcher in Princeton's Depar...

Molecular models advance the fight against malaria

...ir work on previous studies using yeast enzymes to explore atovaquone resistance. It is not possible to grow enough malaria parasites to isolate and study the respiratory enzyme cytochrome bc1 complex, which the parasites need to live and multiply. A protein subunit of the bc1 complex is where the malaria pa...

Polymers with copper show promise for implanted sensors

...lymers they developed earlier. Other questions to explore are how much of the raw materials for generating nitric oxide are present in blood, and whether the amount varies from one person to another. "The device might work with me, but if you don't have enough of the reactive species in your blood, then it ...

Researchers make gains in understanding antibiotic resistance

...lly, the researchers used x-ray crystallography to explore at high resolution the structural basis of a particular ribosomal mutation dubbed L22 that confers resistance to macrolides such as erythromycin. In a seeming paradox, said Steitz, this mutation confers resistance, even though the antibiotic still bi...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...o one of Africa's premiere wildlife sanctuaries to explore the mysterious and complex world of elephant commu...l-Rodwell and other elephant experts have begun to explore the possibility that the Thai elephants were responding to these powerful events. "Elephants may be ...

Decoding the logic of olfaction

...re distributed representation of the odorant." To explore this question, the researchers exposed mice to each of a wide range of odorants -- including apple, skunk, floral, fishy, urine, vanilla, musk, woody, garlic, and chocolate. After each mouse was exposed to an odor, the scientists then proceeded to is...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...re distributed representation of the odorant." To explore this question, the researchers exposed mice to each of a wide range of odorants -- including apple, skunk, floral, fishy, urine, vanilla, musk, woody, garlic, and chocolate. After each mouse was exposed to an odor, the scientists then proceeded to is...

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