Tag: "unusual" at biology news

Abnormal fat metabolism underlies heart problems in diabetic patients

...st abundant lipids in heart tissue. This lipid has unusual physical properties that are essential for the operation of the energy-producing cell structures called mitochondria. When mitochondria lose a lot of their cardiolipin, they malfunction. Their malfunction not only interferes with the energy supply o...

Swarming starlings help probe plasma, crowds and stock market

...f birds. The technique could even be used to find unusual patterns in stock market behaviour. The researchers began their work in a research group interested in plasmas. These are difficult to study at the best of times because the opportunities to view plasma in the solar wind are limited by the small ...

Other highlights in the Aug. 7 JNCI

...r (which is usually turned off) is activated. This unusual activation occurs in about half of all Wilms tumors. Andrew Feinberg, M.D., of Johns Hopkins University in Baltimore and colleagues studied 59 Wilms tumor samples to determine whether this loss of imprinting is specific to the IGF2 gene or whether ...

Anthrax bacterium's deadly secrets probed

...nto why the bug that causes anthrax behaves in the unusual way that it does have come to light thanks to a development under the UK e-Science Programme. Researchers at the North East Regional e-Science Centre have found that the proteins the anthrax bacterium secretes equip it to grow only in an animal host...

ASM's new media campaigns take the gold

...bial activities on this planet, and emphasizes the unusual and the unexpected phenomena for which he has a special fascination....

Penn researchers discover pathway that eliminates genetic defects in red blood cells

... observed and predicts that theres something quite unusual about how RNAs are handled in red blood cells. Were interested in how this specific surveillance system works in red blood cells because such understanding will increase our knowledge of how these cells make high levels of hemoglobin and how defects ...

Parents seeking sex abandon 1 in 3 offspring

...ncubating the eggs or feeding the young. What is unusual about the penduline tit breeding system is that in one in three cases both males and females are willing to abandon the nest, even though the clutch will perish as a result. This could be said to be reminiscent of Hollywood life-styles with plenty of...

Learning to evolve: With a little help from my ancestors

..., the beneficial effects of learning depend on the unusual form of information storage in neural networks, a form common to biological and artificial neural networks. Unlike computers, which store each item of information in a specific location in the computer's memory chip, neural networks store each item d...

Surprising new species of light-harvesting bacterium discovered in Yellowstone

...gued by Octopus and Mushroom Springs because their unusual habitats house a diversity of microorganisms, but many are difficult or impossible to grow in the lab. Metagenomics has given us a powerful new tool for finding these hidden organisms and exploring their physiology, metabolism, and ecology." Metag...

Innovative research technique reveals another natural wonder in Yellowstone Park

...rigued by Yellowstone's hot springs "because their unusual habitats house a diversity of microorganisms, but many are difficult or impossible to grow in the lab. Metagenomics has given us a powerful new tool for finding these hidden organisms and exploring their physiology, metabolism, and ecology." Metage...

Scientists discover new way to study nanostructures

... below its superconducting transition temperature, unusual features are found in traces of the electrical conductance measured as a function of the applied voltage. In our experiments, only nanowires - which we know now to contain a single dimer have consistently shown a series of additional peaks in the c...

Probing biology's dark matter

...sting aspects of the organisms biology, such as an unusual gliding motion that groups of TM7 bacteria might use to get around, and a gene shared with bacteria known to cause chronic inflammation. Just as importantly, the researchers say, they have demonstrated the success of their new technology in analyz...

Nature's secrets yield new adhesive material

...n with a thin layer of a synthetic compound. This unusual compound mimics the reversible bonding action of a mussel adhesive protein that Messersmiths group has studied for the past several years. In their initial experiments, which were led by graduate student Haeshin Lee, they found that the wet adhesi...

Fruit fly research may 'clean up' conventional impressions of biology

...evelopment, it remains a single large cell with an unusual characteristic: Unlike other cells, which have a single nucleus, the embryo has thousands, each of which awaits a signal from the mother to form itself into a specialized cell. This signal arrives in the form of a droplet of protein called Bicoid tha...

Size and positioning of floral anthers facilitates pollen collection by bees

... the fruits they produce have brilliant colors and unusual shapes because they want to attract the attention of pollinators and frugivores who will disperse their pollen and seed, thus guaranteeing the next generation. In their work, Dr. Endress and his colleagues found that the sizes and positioning of th...

Size and positioning of floral anthers facilitates

... the fruits they produce have brilliant colors and unusual shapes because they want to attract the attention of pollinators and frugivores who will disperse their pollen and seed, thus guaranteeing the next generation. In their work, Dr. Endress and his colleagues found that the sizes and positioning of the ...

Amoebae control cheating by keeping it in the family

... National Academy of Sciences in May. "It's very unusual to get a complete story in biology -- one that marries careful field work with painstaking work in the laboratory -- and that's what we have here," said research co-author Joan Strassmann, chair of Rice's Department of Ecology and Evolutionary Biolog...

New method for reading DNA sheds light on basis of cell identity

... these proteins in mouse ES cells known for their unusual ability to form nearly any tissue as well as two other types of descendant cells that are more limited in the developmental paths they can choose. One of the most remarkable findings involves a way of using chromatin to look into a cells past to d...

ASM scores a hat-trick at the 2007 Hermes Creative Awards

...bial activities on this planet, and emphasizes the unusual and the unexpected phenomena for which he has a special fascination. ASMs outreach programs are a great way to make people aware of the role microbes play in everyday life, said Chris Condayan, manager, public outreach for ASM. Its quite an honor ...

Giant magnetocaloric materials could have large impact on the environment

...lloys display a giant magnetocaloric effect due to unusual coupling between the material's magnetism and chemical structure. Understanding this coupling is essential to moving this technology from the laboratory to the household. Magnetic refrigeration does not rely on hydrofluorocarbons (HFCs) used in con...

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(Date:10/17/2014)... the University of Copenhagen have shown for the first ... of Cystic fibrosis patients, giving them the opportunity to ... chronic infections. , The study also discovered the bacterial ... patients was halted or slowed down by the immune ... the oxygen and helped "suffocate" the bacteria, forcing the ...
(Date:10/16/2014)... Virginia Institute of Marine Science have received a ... to identify the streams and wetlands most vulnerable ... help local governments and citizens conserve these important ... dataset of tidal-marsh observations first gathered by VIMS ... baseline can today,s researchers accurately map the slow ...
(Date:10/16/2014)... cultivated efficiently, they are anything but sustainable: environmental ... cultivation is becoming increasingly evident. Despite their disadvantages, ... are regarded as the sole possibility of achieving ... finds Bernhard Schmid, an ecology professor at the ... of agriculture and forestry. After all, a new ...
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