News tagged with zebrafish
Fish out of water: Gene clue to evolutionary step
Two genes controlling a tissue protein may have played a role in the key period when fish shed their fins and became limbed land-lovers, a study published by Nature on Thursday said.
Jun 24, 2010 |
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Unraveling the mechanisms behind organ regeneration in zebrafish
The search for the holy grail of regenerative medicine -- the ability to "grow back" a perfect body part when one is lost to injury or disease -- has been under way for years, yet the steps involved in this ...
Nov 02, 2009 |
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Microscope looks into cells of living fish
Microscopes provide valuable insights in the structure and dynamics of cells, in particular when the latter remain in their natural environment. However, this is very difficult especially for higher organisms. ...
May 16, 2012 |
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Better housing conditions for zebrafish could improve research results
Changing the conditions that zebrafish are kept in could have an impact on their behaviour in animal studies and the reliability of results, according to scientists from Queen Mary, University of London.
May 03, 2012 |
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Scientists discover way to detect low-level exposure to seafood toxin in marine animals
(Phys.org) -- NOAA scientists and their colleagues have discovered a biological marker in the blood of laboratory zebrafish and marine mammals that shows when they have been repeatedly exposed to low levels of domoic acid, ...
May 03, 2012 |
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Zebrafish regrow fins using multiple cell types, not identical stem cells
What does it take to regenerate a limb? Biologists have long thought that organ regeneration in animals like zebrafish and salamanders involved stem cells that can generate any tissue in the body. But new ...
May 16, 2011 |
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Researchers use zebrafish to identify new gene linked to melanoma
Thanks to the zebrafish, there is new hope for people with melanoma, an aggressive skin cancer that is responsible for approximately 8,700 deaths each year in the United States.
Apr 05, 2011 |
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Earning its stripes: Zebrafish model of human melanoma reveals new cancer gene
The latest clues suggesting potential new ways to treat melanoma come from an unlikely source: fish.
Mar 23, 2011 |
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Fear responses of zebrafish controlled by brain structures of previously unknown function
A brain structure called the habenula is crucial for modifications of fear responses in zebrafish, according to a new study by researchers from the RIKEN Brain Science Institute, Wako. The zebrafish dorsal ...
Medicine & Health / Neuroscience
Dec 17, 2010 |
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Too much retinoic acid disrupts development in zebra fish embryos
Researchers at the University of Washington (UW) in Seattle are learning how excessive exposure to retinoic acid leads to severe birth defects. Retinoic acid is found in some prescription drugs for severe acne.
Medicine & Health / Medical research
Dec 15, 2010 |
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Researchers control zebrafish heart rate with optical pacemaker
(PhysOrg.com) -- UCSF researchers have for the first time shown that an external optical pacemaker can be used in a vertebrate to control its heart rate.
Chemistry / Analytical Chemistry
Nov 16, 2010 |
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Zebrafish yield clues to how we process visual information
(PhysOrg.com) -- To a hungry fish on the prowl, the split-second neural processing required to see, track, and gobble up a darting flash of prey is a matter of survival.
Medicine & Health / Neuroscience
Oct 30, 2010 |
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Newly discovered gene enables fish to 'disappear'
Researchers led by Vanderbilt's Roger Cone, Ph.D., have discovered a new member of a gene family that has powerful influences on pigmentation and the regulation of body weight.
Oct 29, 2010 |
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Surprising similarities between human and zebrafish tumors
Most human cells have 23 pairs of chromosomes, the large bundles of DNA that store all of a cell’s genetic information. However, scientists realized more than 100 years ago that tumor cells usually have extra copies ...
Medicine & Health / Medical research
Oct 07, 2010 |
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Study identifies critical 'traffic engineer' of the nervous system
A new University of Georgia study published in the journal Nature has identified a critical enzyme that keeps traffic flowing in the right direction in the nervous system, and the finding could eventually lead t ...
Medicine & Health / Medical research
Sep 08, 2010 |
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Zebrafish
The zebrafish, also known as Danio rerio, is a tropical freshwater fish belonging to the minnow family (Cyprinidae). It is a popular aquarium fish, frequently sold under the trade name zebra danio, and is an important vertebrate model organism in scientific research.
For more information about Zebrafish, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
