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Tag: "fresh" at biology news

Anticipation plays a powerful role in human memory, brain study finds

...tion may play a surprisingly important role in how fresh the memory of a tough experience remains. The findings of the brain-imaging study, which appear in the current issue of the Proceedings of the National Academy of Sciences, have important implications for the treatment of psychological conditions s...

Learning during sleep?

...eory as the best approach so far. This states that fresh impressions are first stored as short-term memories in the hippocampus. They are then said to move within hours or a few days - usually during deep sleep - into the cerebral cortex where they enter long-term memory. Investigations by Thomas Hahn, May...

RNA map provides first comprehensive understanding of alternative splicing

...ow be able to approach a number of diseases with a fresh start." Finally, Darnell's work has shown that Nova is expressed in certain types of cancer cells. Cancer cells operate by dysregulating gene expression, and Darnell believes that further studies are needed to determine whether Nova is a cause of ...

Researchers develop technologies to devour food pathogens

...chlorine dioxide gas to kill pathogens on produce, fresh fruits and vegetables. This would be a large step up from current technologies, which mainly involve washing and scrubbing, and cannot completely rid a product of a pathogen like E. coli, said Richard Linton, a professor of food science. "We can us...

Scientists explore how complex organs develop from a simple bud

...erentiation are written by top scientists offering fresh ideas and pertinent background information to readers interested in anything from molecular to cellular and developmental biology. ...

High-throughput oncogene mutation detection in human cancers by mass spectrometry-based genotyping

...d oncogenes. The test involves taking a sample of fresh or frozen tumor, amplifying its DNA, and then searching for 250 known mutations in 17 oncogenes. (These include members of the ras, EGFR, pi3 and c-kit kinase families, among others.) To check performance of the genotyping, the research team tested ...

Special chip provides better picture of salmon health

... smoltification, which enable them to live in both fresh and salt water. Assessing their health and performance is very difficult as conventional measures used in other animals, such as temperature, blood protein levels and general demeanour, are not relevant or are difficult to assess in fish. Farmers ...

Fighting like a girl or boy determined by gene in fruit flies

...ght over). Female flies fight over an extra dab of fresh yeast paste ?their version of dark chocolate, Kravitz said. The flies are videotaped. The movies are replayed in slow motion to record each move and countermove. "Ed has systematically developed reproducibly aggressive behavior in flies and paved ...

Too mellow for our predatory world

...become extinct in many continents but also provide fresh arguments for conservation biologists. For in the meantime, the government of Ecuador has opened the UNESCO world heritage site of the Galápagos Islands to the cruise ship market. With growing mass tourism, the situation is getting more difficult....

Fatty fish protects against cancer

... those who never ate fatty fish. The group who ate fresh fish at least once a week but for whom follow-up information were unavailable, saw a 40 per cent reduction. "This is the first time that a link between the consumption of fatty fish and renal cancer has been studied," says Professor Alicja Wolk, on...

What animals can tell us about hemorrhage, organ transplants and aging

...aking place at the conference. There are plenty of fresh and interesting story lines you can develop by going through the program or by calling The American Physiological Society. Go to http://www.the-aps.org/meetings/aps/vabeach/index.htm and click on "Week at a glance" for the full Comparative Physio...

Orange, grapefruit juice for breakfast builds bones in rats

...milar study on female rats has begun. Deyhim said fresh grapefruit or orange juice - mixed with sodium bic...lem, every morning," Deyhim said. "They drank more fresh juice than I did during that period." Deyhim said the juice study was followed by a similar test wi...

Eco-friendly bug sucker

...hyl bromide, which are currently used to sterilise fresh produce. The technique, called metabolic stress disinfection (MSDD), was developed by Manuel Lagunas-Solar and his team at University of California, Davis (Journal of the Science of Food and Agriculture DOI 10.1002/jsfa2538). Tim Essert, the Prin...

When it comes to gene transcription, random pauses aren’t quite so random, study finds

...tical to understanding cancer. Our results provide fresh insights into the control mechanisms that cells have for regulating the genes they express." ...

Beekeepers work hard for the honey, despite changing tupelo forest

...has cut off many tupelo trees from their source of fresh water. Upstream water diversion also has lessened the flooding needed for a healthy tupelo forest. Exotic pests are taking their toll, and beekeepers throughout Florida are losing between 30 percent and 50 percent of their bee colonies to mite and ...

Researchers show how brain decodes complex smells

...zed scents as diverse as peanut butter, coffee and fresh bobcat urine shipped to the laboratory on dry ice. The researchers then exposed the mice to the original odor and its individual compounds. "We found that glomeruli, the functional units of the olfactory bulb, act as detectors for individual compoun...

New egg freezing technique offers hope to hundreds of women

...ame as the rate we can achieve in our clinic using fresh oocytes." The Cryotop method involves very rapid ...pregnancy rate of 41.9%, compared with 42.5% using fresh eggs), with an average of 2.3 embryos transferred each time (compared with an average of 1.1 embryos...

Researchers develop flood-tolerant California rice

...given that many flood-prone areas are a mixture of fresh and salt water." Besides Bailey-Serres, Takeshi Fukao of UCR; and Kenong Xu and Pamela C. Ronald of UC Davis collaborated on the study, which was funded by grants from the United States Department of Agriculture and the United States Agency for Int...

DOE JGI finishes 100th microbial genome

...to do the job. This microbe, while isolated from a fresh water mud sample, also lives in the rumen of cattle where cellulose and other polysaccharides are digested. "We are delighted that the DOE JGI's 100th genome is a microorganism that one of our UMBI faculty members has been studying to evaluate its ...

Fish on acid: Hagfish cope with high levels of CO2

...acity for rapid pH compensation than any marine or fresh water fish studied to date", explains Baker. Just as cold-blooded animals have an equal body temperature to their surrounding environment, the Hagfish has the same concentration of salt in its blood as the surrounding seawater. This trait previously...

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