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Tag: "salamanders" at biology news

Salamanders suffer delayed effects of common herbicide

... metamorphosis, the stage where the water-dwelling salamanders lose their gills and develop lungs that enable the...ter exposure ceased, said researchers. Compared to salamanders not exposed to atrazine, survivors of the atrazine exposure had significantly lower survival 421 day...

How fish mend a broken heart

...ration," they said. For instance, certain newts or salamanders can regenerate limbs, spinal cord, retina, brain, and heart tissue. While progenitor cell populations have been identified within most mammalian organs, including skin, skeletal muscle, brain, and heart, these cells vary widely in frequency and the...

Habitat microstructure drives salamander metamorphosis

Whether salamanders transform into their terrestrial, adult form or re...t and Chippindale's results show that paedomorphic salamanders prevailed in streambeds made of large well-sorted gravel, whereas metamorphic salamanders were found...

Climate change drives widespread amphibian extinctions

...he world's 6,000 or so species of frogs, toads and salamanders face extinction--a figure far greater than that for any other group of animals. ...

Cattle grazing may help rather than hurt endangered species

...ntially, leaving endangered fairy shrimp and tiger salamanders without enough time to mature before their temporary aquatic environments disappear. "Consequently, land managers can play an important role in climate change impacts, i.e. they can exacerbate or ameliorate, the local impacts of global change." Pyke...

Elusive salamanders have role in developing new sampling models

Rare salamanders at a Georgia military base are the guinea pigs for...ies has vanished. After not finding any flatwoods salamanders since 2001, Fort Stewart biologists were a bit concerned and were looking for a better survey method...

Retina adapts to seek the unexpected, ignore the commonplace

...s." While manipulating the visual scenes faced by salamanders and rabbits, Meister and colleagues recorded neura...ironment. Because this adaptation occurred in both salamanders and rabbits, Meister concluded that it typifies retinal function in both amphibians and mammals, ani...

Discovery of an American salamander where it shouldn't be: Korea

.... "I've discovered and named nearly 50 species of salamanders - more than 10 percent of the total in the world. ...ue of Nature. The find suggests that the lungless salamanders are more widespread than people thought, and some 60 to 100 million years ago may have had a worldwi...

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(Date:9/16/2014)... "molecular brakes" that time the generation of important cells ... cells" translate sound waves into electrical signals that are ... If the arrangement of the cells is disordered, hearing ... will be published in The Journal of Neuroscience ... Hey2 act as brakes to prevent hair cell generation ...
(Date:9/16/2014)... inherit certain traits from our parents that are pre-determined. ... play out by taking certain drugs or better yet, ... team of researchers at the Boston University School of ... research. , Epigenetics regulates gene expression in a ... which prevent permanent mutations or alterations within the gene ...
(Date:9/16/2014)... its own bacterial identity. That,s the conclusion of University ... studied the genetic fingerprints of bacteria on 57 species ... study demonstrates for the first time that host plants ... possess very different microbial communities on their leaves," said ... in the UO,s Institute of Ecology and Evolution who ...
Breaking Biology News(10 mins):Hey1 and Hey2 ensure inner ear 'hair cells' are made at the right time, in the right place 2Epigenetic drugs: A hope to treat cancer resistance and reduce cancer relapse? 2Epigenetic drugs: A hope to treat cancer resistance and reduce cancer relapse? 3Microbiome research shows each tree species has a unique bacterial identity 2
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Breaking Medicine News(10 mins):Health News:Fasoo to Introduce Their Testing Tool to Improve Software Security and Quality at AppSec USA 2014 2Health News:Mechanism behind age-dependent diabetes discovered 2Health News:Capitol Pain Institute Sponsoring an Anti-Defamation League Event & Awards Dinner 2Health News:Mosquito Shield of South Shore Again Partners with Hanover Youth Athletic Association 2
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