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Latest Zebrafish Stories

2012-04-04 12:40:35

In testing the effects of the controversial chemical bisphenol A (BPA) on zebrafish, UWM scientist Daniel Weber found himself in familiar territory. The results he observed were similar to those he´d seen when exposing the fish to mercury during their early development — profound behavioral changes occurred not only immediately after hatching, but also in adulthood. Like developmental exposure to mercury, adult fish that had been exposed to tiny amounts of BPA as embryos had...

2012-02-29 12:32:47

The quest for treatments for motor neurone disease, spinal cord injury and strokes could be helped by new research that shows how key cells are produced The quest for treatments for motor neurone disease, spinal cord injury and strokes could be helped by new research that shows how key cells are produced. Scientists at the University of Edinburgh have been able to manipulate the production of motor neurones — which control all muscle activity — in zebrafish. Zebrafish are...

2012-02-23 13:13:31

After we sense a threat, our brain center responsible for responding goes into gear, setting off a chain of biochemical reactions leading to the release of cortisol from the adrenal glands. Dr. Gil Levkowitz and his team in the Molecular Cell Biology Department have now revealed a new kind of ON-OFF switch in the brain for regulating the production of a main biochemical signal from the brain that stimulates cortisol release in the body. This finding, which was recently published in Neuron,...

Blood Vessel Origins Discovered
2012-02-22 06:11:38

Researchers from the California and Florida campuses of The Scripps Research Institute have discovered the biological origins of the closed circulation system of vertebrates. Closed circulation systems are complex and take generations, possibly billions of years to develop. A recent press release notes: “During this lengthy process, new domains (parts of a protein that can evolve and function independently of each other) have been added progressively to key molecules.” In...

2012-02-13 23:17:58

In medical research, finding a reliable and cost-effective animal model can greatly enhance success in identifying disease mechanisms and genetic pathways, potentially cutting years off drug testing regimes and development of new treatment strategies. Now, University of Massachusetts Amherst neuroscientist Gerald Downes and colleagues have developed just such a model, a mutant zebrafish, to study Maple Syrup Urine Disease (MSUD). It is an inherited metabolic disorder that causes affected...

2012-01-03 06:13:03

(Ivanhoe Newswire) — Damaged heart tissue typically doesn´t repair itself, but scientists may have identified signals that are able to coax the heart into producing replacement cardiac muscle cells. Using a zebrafish model system, researchers have identified a family of molecules that can stimulate stem cells to develop into beating heart muscle cells. "Despite advances in modern medicine, management of myocardial infarction and heart failure remains a major challenge," senior...

2011-12-22 15:38:48

FINDINGS: Whitehead Institute scientists have identified conserved, long intervening non-coding RNAs (lincRNAs) that play key roles during brain development in zebrafish, and went on to show that the human versions of these RNAs can substitute for the zebrafish lincRNAs. RELEVANCE: Despite their prevalence in the cell, lincRNAs have been referred to as the "dark matter" of all the transcribed RNAs because little is known of their functions or mechanisms. Until now, lincRNAs have been...

2011-12-22 15:30:31

Damaged heart tissue is not known for having much inherent capacity for repair. But now, scientists are closing in on signals that may be able to coax the heart into producing replacement cardiac muscle cells. Using a zebrafish model system, researchers have identified a family of molecules that can stimulate stem cells to develop into beating heart muscle cells. The research, published by Cell Press in the December 21st issue of the journal Chemistry & Biology, may pave the way towards...

2011-11-15 19:40:47

After a heart attack, the portions of the heart damaged by a lack of oxygen become scar tissue. Researchers have long sought ways to avoid this scarring, which can harden the walls of the heart, lessen its ability to pump blood throughout the body and eventually lead to heart failure. But new research from the University of North Carolina at Chapel Hill School of Medicine shows that interrupting this process can weaken heart function even further. In a study appearing online November 15,...


Latest Zebrafish Reference Libraries

39_81e6b3dd7e8c07cf1ec882bec90ebb83
2007-04-10 16:14:09

The Giant Danio (Devario aequipinnatus) is a tropical fish belonging to the minnow family (Cyprinidae). Originating in Sri Lanka, Nepal, and the West coast of India, it grows to a maximum length of 6 in (15 cm), making it one of the largest of the Danionins. They are characterized by a blue and yellow torpedo shaped body with gray and clear fins. In the wild, Giant Danios live in clear streams and rivers among hills at elevations up to 1000 ft (300 m) above sea level. Their native...

39_ace37de56045e8be057061f572139540
2007-04-10 16:07:52

The Zebrafish (Danio rerio) is a tropical fish belonging to the minnow family (Cyprinidae). It is a popular aquarium fish, where it is frequently sold under the trade name Zebra danio, and is also an important model organism. Characteristics The zebrafish arose in the Ganges region in Eastern India and is also native to Pakistan, Bangladesh, Nepal and Myanmar. It commonly inhabits streams, canals, ditches, ponds and slow-moving to stagnant water bodies, including rice fields. The...

39_211202e2c1f6a0f9d21546b9ec107c99
2007-04-10 16:04:19

The Glowlight danio is a small fish with a maximum length of 1.25 in (4 cm). Its coloration is brown, yellow, green and red. The Glowlight can live in waters that are (20-25 degrees Celsius), 6 to 7 pH, with a soft to medium hardness and a low to medium salinity. These fish are compatible with other danios and typically live from 1 to 3 years. They are moderately difficult fish to keep, and breeding can be even harder. Danio choprai or the Glowlight danio is a small, schooling fish...

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Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'