News tagged with salamanders
1 gene lost = 1 limb regained? Scientists demonstrate mammalian regeneration through single gene deletion
A quest that began over a decade ago with a chance observation has reached a milestone: the identification of a gene that may regulate regeneration in mammals. The absence of this single gene, called p21, confers a healing ...
Mar 15, 2010 |
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Salamanders, regenerative wonders, heal like mammals, people
The salamander is a superhero of regeneration, able to replace lost limbs, damaged lungs, sliced spinal cord -- even bits of lopped-off brain. But it turns out that remarkable ability isn't so mysterious after ...
Jul 01, 2009 |
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New research provides clear answer to debate on dinosaur posture
(PhysOrg.com) -- Research published today (22nd February) provides, for the first time, a clear answer to the debate as to whether Triceratops and other extinct creatures took on a more mammal-like or more ...
Other Sciences / Archaeology & Fossils
Feb 23, 2012 |
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Scientists study why the blind salamander lives so long
(PhysOrg.com) -- Scientists have long been intrigued by the longevity of a tiny amphibian known as the blind salamander, but it now seems it may live a long time because it basically has no life.
Jul 22, 2010 |
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Newts' ability to regenerate tissue replicated in mouse cells
Tissue regeneration a la salamanders and newts seems like it should be the stuff of science fiction. But it happens routinely. Why can't we mammals just re-grow a limb or churn out a few new heart muscle cells as needed? ...
Medicine & Health / Medical research
Aug 05, 2010 |
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Ancient muscle tissue extracted from 18 million year old fossil
(PhysOrg.com) -- Scientists have extracted organically preserved muscle tissue from an 18 million years old salamander fossil. The discovery by researchers from University College Dublin, the UK and Spain, ...
Other Sciences / Archaeology & Fossils
Nov 05, 2009 |
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New family of legless amphibians found in India
Since before the age of dinosaurs it has burrowed unbothered beneath the monsoon-soaked soils of remote northeast India - unknown to science and mistaken by villagers as a deadly, miniature snake.
Feb 22, 2012 |
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Reptiles stood upright after mass extinction
(PhysOrg.com) -- Reptiles changed their walking posture from sprawling to upright immediately after the end-Permian mass extinction, the biggest crisis in the history of life that occurred some 250 million ...
Other Sciences / Archaeology & Fossils
Sep 15, 2009 |
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Algae that live inside the cells of salamanders are the first known vertebrate endosymbionts
A species of algae long known to associate with spotted salamanders has been discovered to live inside the cells of developing embryos, say scientists from the U.S. and Canada, who report their findings in ...
Apr 04, 2011 |
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Chameleon's ballistic tongue inspires robotic manipulators
(PhysOrg.com) -- Although the lungless salamander and some frog species have developed ballistic tongues, the chameleon's ballistic tongue is the fastest, the longest, and the one that can catch the heaviest ...
Apr 05, 2011 |
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Mexican salamander helps uncover mysteries of stem cells and evolution
Dr Andrew Johnson is speaking today at the UK National Stem Cell Network annual conference. He and his team from the University of Nottingham have been using a Mexican aquatic salamander called an axolotl to study the evolution ...
Jul 11, 2010 |
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Smallest salamander in U.S. discovered
(PhysOrg.com) -- Researchers from the University of Georgia Warnell School of Forestry and Natural Resources weren’t looking for anything new when they went exploring in the northeast part of the state. But ...
Jul 07, 2009 |
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Salamander found in China oldest of its kind
(PhysOrg.com) -- Six salamander specimens were found in an ancient dry lakebed in China recently and now the team of Ke-Qin Gao from Peking University and Neil H. Shubinb of the University of Chicago has identified ...
Other Sciences / Archaeology & Fossils
Mar 13, 2012 |
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Nearly 50 new species of prehistoric creatures discovered in record time
In just four years a University of Portsmouth palaeontologist has discovered 48 new species from the age of the dinosaurs - while other scientists took 180 years to identify the same number.
Other Sciences / Archaeology & Fossils
Feb 09, 2009 |
4.3 / 5 (4) |
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With genomes, bigger may really be better
Biologists analyzing DNA in search of the molecular underpinnings of life have consistently favored species with small genomes, which are cheaper to sequence and lack the repetitive "junk" that clutters bigger genomes. But ...
Mar 04, 2009 |
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Salamander
Cryptobranchoidea Salamandroidea Sirenoidea
Salamander is a common name of approximately 500 species of amphibians. They are typically characterized by their slender bodies, short noses, and long tails. All known fossils and extinct species fall under the order Caudata, while sometimes the extant species are grouped together as the Urodela. Most salamanders have four toes on their front legs and five on their rear legs. Their moist skin usually makes them reliant on habitats in or near water, or under some protection (e.g., moist ground), often in a wetland. Some salamander species are fully aquatic throughout life, some take to the water intermittently, and some are entirely terrestrial as adults. Uniquely among vertebrates, they are capable of regenerating lost limbs, as well as other body parts.
For more information about Salamander, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
