News tagged with frogs
Frogs skin gives researchers the hop on bacteria
Skin secretions found in Australian frogs may hold the key to designing powerful new antibiotics that are not prone to bacterial resistance in humans, say researchers.
Nov 09, 2011 |
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Research team explores how microbial diversity defends against disease
Amphibians are among the most threatened creatures on earth, with some 40 percent of amphibian species threatened or endangered. One of their primary threats is a rapidly spreading disease that attacks the ...
Nov 08, 2011 |
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Frog trade link to killer fungus revealed
The global trade in frogs, toads and other amphibians may have accidentally helped create and spread the deadly fungal disease, chytridiomycosis, which has devastated amphibian populations worldwide.
Nov 08, 2011 |
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Scientists establish cell cultures of endangered frog
San Diego Zoo Global Wildlife Conservancy scientists have taken a tremendous leap forward in banking viable amphibian cells. This was achieved through the first successful establishment of cell cultures from frozen biopsy ...
Nov 03, 2011 |
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Study shows Alzheimer's disease-related peptides form toxic calcium channels in the plasma membrane
Alzheimer's disease is triggered by the inappropriate processing of amyloid precursor protein to generate excess amounts of short peptide fragments called A-beta. For many years, the neurodegeneration associated with Alzheimer's ...
Oct 24, 2011 |
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New boulder frog discovered
(PhysOrg.com) -- Scientists have discovered two new species of boulder-dwelling frogs, hidden in remote areas of rainforest in north-east Queensland.
Oct 07, 2011 |
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Humans, sharks share immune-system feature
A central element of the immune system has remained constant through more than 400 million years of evolution, according to new research at National Jewish Health. In the September 29, 2011, online version ...
Sep 30, 2011 |
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Tree frogs chill out to collect precious water
Research published in the October issue of The American Naturalist shows that Australian green tree frogs survive the dry season with the help of the same phenomenon that fogs up eyeglasses in the winter.
Sep 29, 2011 |
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Climate change will show which animals can take the heat
Species' ability to overcome adversity goes beyond Darwin's survival of the fittest. Climate change has made sure of that. In a new study based on simulations examining species and their projected range, researchers ...
Sep 29, 2011 |
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Researchers find genes that help frogs resist fungus
(PhysOrg.com) -- For several decades, the fungal pathogen Batrachochytrium dendrobatidis (Bd) has been decimating frogs, yet some populations and species have been able to resist the fatal disease, called ...
Sep 27, 2011 |
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An unprecedented role reversal: Ground beetle larvae lure amphibians and prey upon them
Usually it's the frog that catches the unsuspecting bug for a tasty snack, but in an unprecedented predator-prey role reversal, a certain group of ground beetle larvae are able to lure their amphibious would-be predators ...
Sep 21, 2011 |
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Scientists discover 12 new frog species in India
Years of combing tropical mountain forests, shining flashlights under rocks and listening for croaks in the night have paid off for a team of Indian scientists which has discovered 12 new frog species plus ...
Sep 17, 2011 |
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The battle of the morphogens: How to get ahead in the nervous system
If you think today's political rhetoric is overheated, imagine what goes on inside a vertebrate embryo. There, two armies whose agendas are poles apart, engage in a battle with consequences much more dire ...
Sep 01, 2011 |
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Regenerative powers in the animal kingdom explored
Why can one animal re-grow tissues and recover function after injury, while another animal (such as a human being) cannot? This is a central question of regenerative biology, a field that has captured the ...
Aug 18, 2011 |
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Researchers complete first major survey of amphibian fungus in Asia
An international team of researchers has completed the first major survey in Asia of a deadly fungus that has wiped out more than 200 species of amphibians worldwide. The massive survey could help scientists ...
Aug 17, 2011 |
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