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Tag: "marine" at biology news

Vaccine provides 100 percent protection against avian flu virus in animal study

...unities, we can begin to measure the pulse of this marine ecosystem," said MIT's Ed DeLong, who led the rese...The diversity and depth-defined characteristics of marine microbial communities revealed unexpected genomic patterns and metabolisms--our findings are just pa...

Wyoming cloud seeding experiment begins this month

...unities, we can begin to measure the pulse of this marine ecosystem," said MIT's Ed DeLong, who led the rese...The diversity and depth-defined characteristics of marine microbial communities revealed unexpected genomic patterns and metabolisms--our findings are just pa...

Ocean 'dead zones' trigger sex changes in fish, posing extinction threat

...a is considered one of the most serious threats to marine life and genetic diversity, Wu says. It occurs whe... in the surrounding water, making it difficult for marine life to survive. Although some hypoxic areas ?dead zones ?develop naturally, scientific evidence s...

Sequencing our seas

...unities, we can begin to measure the pulse of this marine ecosystem," said MIT's Ed DeLong, who led the rese...The diversity and depth-defined characteristics of marine microbial communities revealed unexpected genomic patterns and metabolisms--our findings are just pa...

Antibacterial coatings cut infection rates

... surfaces clean when placed on those surfaces in a marine environment. This provided the impetus for studying their use in biomedical device applications," Professor Griesser said. Furanones have a unique advantage in that they act differently to other antibiotics. Unlike antibiotics, they don't kill bact...

Overfishing in inland waters reduces biodiversity and threatens health

...osystems are by some accounts more threatened than marine ecosystems. Fishing is a crucial source of livelihoods in developing nations, and in 2000 constituted an estimated 15.3 percent of human consumption of animal protein. About 1 billion people rely on fish as their primary protein source. Landings fro...

Understanding the oceans microbes is key to the Earth's future

...ity. "Since life most likely began in the oceans, marine microorganisms are the closest living descendants ...s of the biosphere; their unique metabolisms allow marine microbes to carry out many steps of the biogeochemical cycles that other organisms are unable to com...

Eisai announces Phase II data on E7389, a potential new therapy for the treatment of breast cancer

...ichondrin B was originally isolated from a type of marine sponge. This study was designed to evaluate E7389 as a monotherapy in patients with refractory breast cancer. The primary endpoint of this trial was response rate, measured using the RECIST (Response Evaluation Criteria In Solid Tumors) criteria ?a ...

Health of Acehnese reefs in the wake of the tsunami shows human impacts more harmful

...sess the ecological impact of tsunamis on tropical marine ecosystems. The researchers found that direct tsunami damage was largely restricted to corals growing in unconsolidated substrata, a feature that distinguishes tsunami damage from that of tropical storms, which typically have a greater affect on deli...

Seal rookeries could provide a reliable food source for endangered California condors, study finds

...the birds can once again feast on the carcasses of marine mammals as their ancestors did centuries ago. The...e enhanced if captive-bred birds are released near marine mammal breeding grounds along the West Coast. "Condors eat carrion, they don't kill for food," says...

Sea slug mixes chemical defense before firing at predators

...s an antimicrobial compound for the healthcare and marine industries. The team has determined that escapin prevents the growth of all major forms of bacteria as well as other microbes. "As we learn more about how escapin works in Aplysia, we will hopefully be able to reproduce its chemical properties in th...

Fossil find: 'Godzilla' crocodile had head of a dinosaur, fins like a fish

...ee. “This species was very unusual, because other marine crocodiles that were around at the same time had v... four inches long. There were many other sizes of marine crocodile species alive 135 million years ago, toward the end of the Jurassic, but all had long snou...

Overfishing may drive endangered seabird to rely upon lower quality food

... be artifacts of the profound changes that coastal marine ecosystems world-wide have undergone because of ov...en isotopes. Less valuable food sources, including marine invertebrates such as krill, are signaled by greater levels of carbon isotopes. "It takes about 70 ...

Compound from marine bacteria shows potential as multiple myeloma therapy

...ng the fermentation of Salinispora, a new class of marine gram-positive bacteria identified in sediment samples from the ocean floor. The substance has shown strong anticancer properties in laboratory tests. Nereus Pharmaceuticals holds an exclusive license to the compound for drug development. Experime...

Same-sex mating by fungi spawned infection outbreak, evidence suggests

... soil, has also infected a variety of domestic and marine animals, including dogs, cats, llamas and porpoises. C. gattii is closely related to the more widespread infectious yeast, Cryptococcus neoformans. The potentially life-threatening C. neoformans invades the central nervous system to cause disease. I...

Missing fossil link 'Dallasaurus' found

... animals like Dallasaurus, they mastered their new marine environment and rose to become the top predator in their ecosystem, the T. Rex of the ocean." The Late Cretaceous period was a time of hot house temperatures and rising sea levels. "As the earth warmed and the seas rose, small land-dwelling lizards...

Katrina floodwaters not as toxic to humans as previously thought, study says

...ly copper and zinc, can be toxic to fish and other marine life and may bioaccumulate and contaminate seafood collected from the region. More studies are needed to assess the long-term impact of the flood on aquatic life, Pardue says. Funding for this study was provided by the Louisiana Water Resources Rese...

Marine conservation organizations team up to conduct Indonesia coral reefs assessment

...efs; mission set to start next week Three leading marine conservation organizations will complete an extens...ation. "It is a notable accomplishment that three marine conservation organizations ? the Khaled bin Sultan Living Oceans Foundation, Reef Check and The Worl...

Deep treasure to be found in Oculina Bank

...ore one of Florida's most vital but least familiar marine resources--the spectacular deepwater coral reefs of the Oculina Bank--some 30 years after their discovery. Among the team's goals is the start of a sustained and critically needed monitoring program to complement , and evaluate the effectiveness of, ...

Seaweed yields new compounds with pharmaceutical potential

...rchers have been analyzing extracts from about 200 marine plant and invertebrate animal samples they collect...henomena. Among their collection were soft corals, marine sponges, slugs, and green, red and brown seaweeds. In the lab, researchers extracted these organis...

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