Tag: "oysters" at biology news
Why do oysters choose to live where they could be eaten?
...ster larvae are willing to risk predation by adult oysters
to cash in on the benefits accrued by spending the...e potential benefits to group-living, (2) if adult oysters
will eat larvae of the same species, and (3) how risky is gregarious settlement among cannibals. ...
Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply
...ation by cownose rays also may inhibit recovery of oysters
and clams from the effects of overexploitation, disease, habitat destruction, and pollution, which already have depressed these species," says Peterson, noting shellfish declines in areas occupied by cownose rays and examples of stable or growing she...
Overfishing great sharks wiped out North Carolina bay scallop fishery
...ation by cownose rays also may inhibit recovery of oysters
and clams from the effects of overexploitation, disease, habitat destruction and pollution, which already have depressed these species," said Peterson, noting shellfish declines in areas occupied by cownose rays and examples of stable or growing shel...
Genes behind animal growth discovered
...f Sciences Early Edition. Currently a delicacy, oysters
fed the masses in the past and could again become ...nior author Dennis Hedgecock linked growth rate in oysters
to approximately 350 genes, or 1.5 percent of the more than 20,000 genes in the oyster genome. To ...
'Home run' study on spread of disease published
...aders were probably transported with Japanese seed oysters
imported into the waters of the Pacific Northwest over a century ago. It is the first comprehensive genetic analysis of an invasive marine host and its parasites. The study points to broad implications for identifying and mitigating spreading disease...
Study finds oysters can take heat and heavy metals, but not both
...rease the efficiency of metabolic processes in the oysters
mitochondria the place where stored food is turne.... Essentially what we are trying to look at is how oysters
that live in metal-polluted environments respond to an increase in temperature, including normal sea...
NSF, NIH award Ecology of Infectious Diseases grants
...; disease resistance in estuarine populations like oysters
and the response to climate change; sudden oak death and links among pathogens, hosts and environments; the influence of environmental change on how parasites move through human, invertebrate and environmental pathways; and others. The coincidence o...
Rising ocean temperatures, pollution have oysters in hot water
...e summer when water temperatures rise. Half of the oysters
exposed to the pollutant in 28 C (82 F) water died...t it was 200 years ago, Sokolova said. The loss of oysters
has far-reaching environmental implications. "We can't even imagine the expanse of oyster reefs 10...
What animals can tell us about hemorrhage, organ transplants and aging
...animals -- bears, frogs, snakes, squirrels, seals, oysters
and a host of other animals to answer the question "How do they do that?" They uncover general physiological principles that may apply to humans, and may spur future medical advances to benefit people. These scientists exude an enthusiasm for their w...
UNH researcher restoring oyster reefs to Great Bay
...ury saw a slower but equally devastating demise of oysters
from exuberant overharvesting. "We have seen local...arine Laboratory. Now Grizzle is working to bring oysters
back to Great Bay lots of them. He's helping the state of New Hampshire meet its established goal o...
'Dead zone' summer killed billions of ocean state mussels
...er coastal estuaries, where loss of filter-feeding oysters
has led to runaway effects of pollution and hypoxia and prevented restoration of these shellfish."...
Consumption of risky foods declines
... hamburgers pink ground beef raw fresh fish raw oysters
raw/unpasteurized milk runny eggs alfalfa sprouts In 1998, 31% of those surveyed said that they had consumed one or more risky foods in the previous week. By 2002, that number had dropped to 21%. The most commonly reported risky food item cons...
Secrets of the sea yield stronger artificial bone
...ed substance found in some mollusk shells, such as oysters
and abalone. Scientists have long sought to duplicate nacre's strength and lightness in ceramic materials, but nacre's architecture varies at several length scales, from micrometers to nanometers. Replicating all of these scales -- each of which cont...
'Fish with chips' reporting from ocean top highlights at Census of Marine Life mid-point
...opulations ofwhales, seals, birds, large fish, and oysters
duringthe past 500 years in the Wadden Sea, part of theNorth Sea bordering Denmark, Germany, and theNetherlands. The area once teeming with large animalswould be unrecognizable to the early civilizationsthat lived there, characterized today by quiet ...
New peptide antibiotic isolated from American oyster
...tide may be helpful in selecting disease-resistant oysters
for aquaculture and fisheries and may also allow f...er understand the innate immune system of American oysters
and to enhance research to protect it from important microbial infections," according to Noga. "Furt...
Survey discovers potential threat to Maine's fishing
...believed to be the byproduct of importing Japanese oysters
for aquaculture, spreads rapidly by forming mats that look like blobs of pancake batter. It already has overrun some 40 square miles of Georges Bank, a prime offshore fishing area about 160 miles from outer Cape Cod. "When a 2003 Rapid Assessment fu...
Global warming increases oyster sensitivity to pollution
Do you enjoy eating oysters
on a hot sunny afternoon? Make the most of it it ...n that global warming increases the sensitivity of oysters
to metal pollution, causing a deadly threat to populations in polluted areas. Dr. Gisela Lannig from...
Study of high-pressure process to inactivate Norwalk virus underway
...s, most outbreaks are linked to consumption of raw oysters
and clams, contaminated water, raw salads, and ready-to-eat foods. Noroviruses are resistant to detergents, solvents, high temperatures and freezing, and are extremely contagious. Researchers Daniel Holliman, an M.D. working in the Virginia Tech lab...
Edible bivalves as a source of human pathogens: signals between vibrios and the bivalve host.
Clams, mussels and oysters
are important vehicles for the transmission of enteric diseases when consumed raw or undercooked. Vibrio species, including human pathogens, are particularly abundant in bivalve tissues, where they can persist even after cleaning procedures, thus rep...
Thumbnail sampler of 10 diverse physiology papers from IUPS 2005
...researchers found that increased susceptibility of oysters
to trace metal pollution at high temperature sugge... pollution reduces temperature tolerance limits of oysters
and to apply that knowledge to study other ectothermic animals. Supported by the Alexander von Humbo...