Tag: "rainbow" at biology news

Hearts of male and female rainbow trout are different

...ounts for 600,000 deaths each year. Similarly, the rainbow trout, native to the Pacific Northwest and beloved...ces in cardiac performance and metabolism exist in rainbow trout. These differences occur at a young age and are only realized when the trout heart is contract...

Study finds mercury prevalent in many western fish

...ughout western river systems as salmonids, such as rainbow and cutthroat trout, which had lower levels of mercury. Results of the study were published earlier this month in the journal Environmental Science and Technology. The researchers say the risk for humans who may occasionally eat fish from the strea...

Rising temperatures will lead to loss of trout habitat in the southern Appalachians

...hern Appalachians--native brook and the introduced rainbow and brown trout --all require relatively low stream temperatures to survive. Average air temperature in the United States has increased by about 0.6 C (1o F) over the last 100 years, and is projected to increase 3 to 5C (5.4 to 9o F) over the next ce...

'Killer' B cells demonstrate evolutionary link between fish and mammal immune systems

... cell activity while examining the immune cells of rainbow trout and catfish. The researchers determined that these attack B cells account for more than 30-40% of all immune cells in fish, while phagocytic cells only make up a small portion of the total number of immune cells in mammals. Further research a...

Cornell researchers find serious fish virus in Northeast for first time

...ou think of the most serious disease of freshwater rainbow trout in Europe," said Paul Bowser, Cornell professor of aquatic animal medicine, noting that the virus does not currently pose as great a threat in North America. "Right now, it's a matter of trying to collect as much information and as fast as poss...

Sea coral's trick helps scientists tag proteins

...investigator Roger Tsien has developed a veritable rainbow of refined high-performance GFP mutants. A major breakthrough in fluorescent protein applications came when Sergey Lukyanov first found GFP-like proteins in corals, Zimmer said. Before Lukyanov, no one had looked for GFP-like proteins in corals beca...

Valuing biodiversity services, including its insurance against disease

...type of virus reduces the death rate in shrimp and rainbow trout when subsequently infected by a more deadly virus. Meanwhile, in an experiment in China, farmers who planted a sacrificial row of rice susceptible to a disease every four to six rows were able to control "rice blast" disease in the rest of the...

Zebrafish may hold key to improved cancer research

...al decades, and the university first developed the rainbow trout as a useful model for cancer research. Those studies, among others, helped to determine that aflatoxin contaminants which can be found in some foods are a powerful carcinogen and are still a major cause of liver cancer in some developing natio...

Allergy-busting worms, cold water corals and the science of Irishness

...mic: can a worm a day keep asthma at bay? Africa's rainbow revolution The future of civil aviation: the search for silent aircraft Celebrity diets, obesity and hormones: what does science have to say? Global biological change and sustainability Is there a future for energy crops? A carnival of the senses: ho...

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

...ts use an unusual set of pigments to produce their rainbow of plumage colors, but their biochemical identity has remained elusive. Now, an Arizona State University researcher has uncovered the chemistry behind the colors of parrots, describing on a molecular level what is responsible for their bright red fea...

Study: Pigeons can sense the Earth's magnetic field; ability might allow them to return home

...perties. They also have been found in the noses of rainbow trout and have been linked to those fishes' ability to sense magnetic fields, she said. "For about 30 years, researchers supporting the olfactory hypothesis of pigeon homing have argued that pigeons smell their way home because procedures t...

Changing ecosystems

... northern Japan. The study showed that non-native rainbow trout usurped forest insects that fell into the stream, depriving native trout of more than 80% of their diet. This forced the native fish to feed primarily on insect larvae that live on the stream bottom, which decreased adult insects emerging from...

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(Date:11/21/2014)... 20, 2014 Strict laws against distracted driving ... the North American and European automotive sector towards gesture ... recognition systems that are intuitive and able to retrieve ... industry. New analysis from Frost & ... in Europe and ...
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