High cholesterol diets modify gene expression in atherosclerosis
...lst cholesterol causes changes in gene expression, fish oil reverts such changes. In this case, scientists...iet for ten days, then substituted cholesterol for fish oil (rich in omega-3 and omega-6 polyunsaturated fatty acids) for another ten days. ...Lack of sun does not explain low vitamin D in elderly who are overweight
... Vitamin D can also be obtained from foods such as fish and fortified milk and from supplements. When this fat-soluble vitamin enters the body it is converted in the liver to 25-hydroxyvitamin D. This is one of several important forms of vitamin D, and is the form that researchers and clinicians use as an...Neuronal activity gives clues to working memory
...or system -- the neural circuitry that directs the fish to shift its eyes left or right based on stimuli i...use stimuli can be ever-changing and fleeting, the fish relies on its short-term memory to help guide these eye movements. Two groups of cells are involve...The fisherman is a predator like any other
...argeting shoals of this anchovy species, a pelagic fish that usually lives and builds up off the coasts. T...ods shed light on the spatial interactions between fish and fishermen and enabled researchers to devise new tools that could improve monitoring and hence op...American Chemical Society's Weekly PressPac -- May 30, 2007
... globin genes into cells. The system, named for a fish gene reawakened by other researchers in 1997 after 15 million years of dormancy, fulfills essential requirements for gene therapy, the report states. Cells take up genes transferred with SB-Tn technology, the genes produce beta globin in stable fas...Researchers find 24 species believed new to science in Suriname rainforest
...h florescent purple markings and other amphibians, fish and insects. Presented in a report made public t...reshwater sources clean enough to support abundant fish and amphibian life. Among the 24 species believed new to science are an Atelopus frog with brillia......investigating ways to boost the survival rates of fish caught and then released by anglers. Some guidelines designed to improve fish survival were recently developed for released line-caught snapper, silver trevally, mulloway, sand w...New research shows sharks use their noses and bodies to locate smells
...ral line. The lateral line is an organ used by all fish to detect, with exquisite sensitivity, movement an...Atema, since most odor plumes disperse in patches, fish locate odor sources through a process referred to as "eddy chemotaxis," or the tracking of odor and ...Color vision drove primates to develop red skin and hair, study finds
...d hair became a sexual preference," said Morris, a fish biologist who studies how physical traits such as coloring evolve through sexual selection. "So while the benefits in terms of eating may not apply anymore, the (red-color) vision in some groups is now relevant in social terms." ...MIT researchers probe bones' tiny building blocks
...ical materials such as armored scales from ancient fish and seashells. ...New genetic data overturn long-held theory of limb development
...) came onto the scene about 365 million years ago, fish already possessed the genes associated with helpin...nary event, requiring the descendents of lobed-fin fish to dramatically alter their genes to adapt their bodies to their new environments of streams and swa...In new statistical approach, data decide model
...ring unique gene expressions in fruit flies, zebra fish and other living organisms. "Using mathematical concepts from inverse scattering and modern statistics, we let the data 'speak,' and automatically generate an appropriate model," said Ping Ma, a professor of statistics at the U. of I. and lead author...Cornell lab confirms deadly fish virus spreading to new species
ITHACA, N.Y. -- A lethal fish virus in the Great Lakes and neighboring waterways...ecies affected and so many mortalities." Three new fish kills have occurred in 2007 in New York waters since the virus was identified in the Great Lakes Bas...Journal details how global warming will affect the world's fisheries
...n determinants of the productivity and location of fish stocks, are strongly affected by ocean and atmosph...g climate models and study the effects on specific fish stocks or areas. The first paper, by Ragnar Arnason of the University of Iceland, deals with the ...Rare soft-shell turtle, nesting ground found in Cambodia
...g populations of such threatened species as terns, fish eagles, green peafowl, otters and silvered leaf-monkeys. More than 180 fish species were recorded, including a new record for Cambodia Bezuijen described the area where the t...Salmon tracking program expands to California
...degree of certainty the origin of wild or hatchery fish caught offshore and do it within roughly 24 hours...rcent or more in determining river origin to 2,097 fish meaning they could determine with a high degree of certainty the hatchery, river basin, or coastal ...Dinosaur hearing, listening to muscle noise, quieter cubicles
...ures that may have enhanced the hearing of various fish species during their evolution (2aAB1), and the notable features of 36 cat species' middle ears, which may provide clues on the evolutionary pressures on them (2aAB4). LISTENING TO MUSCLE NOISE Muscles make noise. For example, you can hear the s...K-State to collaborate on research to forecast ecological consequences of environmental changes
...more corn is used to make ethanol" What happens to fish populations where reservoirs are created and stream flows changed" "It allows us to understand how we interact with the environment that supports us," Dodds said. The three-year grants were awarded to the Kansas National Science Foundation Experi...Parasites' impact goes beyond host to affect ecosystem
...h first lives in the snails gonads then moves to a fish as its second host. Shorebirds more prevalent on ...hat other snails, isopods, and possibly near-shore fish feed on ephemeral algae. "Its suggestive that these non-lethal impacts of parasites have influential......unique ecosystems that have supported thousands of fish and other marine species for millions of years. We... they are home to more than a quarter of all known fish species. As well as supporting huge tourist industries, coral reefs protect shorelines from erosion...