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Tag: "vertebrate" at medical news

Evoprinter, a multigenomic comparative tool for rapid identification of functionally important DNA

...parison of orthologous DNA sequences from multiple vertebrate or invertebrate // species holds promise in identi...the Evoprinter identification of MCSs within known vertebrate and Drosophila cis-regulatory elements, the authors believe that this tool could be of great use to ...

Fruitfly My Distant Cousin

...ed. They found for the first time that, like their vertebrate cousins, the fly cell types are replenished by stem cells. Moreover, like vertebrates, the stem cells are multipotent, which means that they can turn into different cell types, and Notch signaling is as essential in flies in controlling which intesti...

World's Smallest Fish Found In Indonesia

...t creature with a backbone, making it the smallest vertebrate in the world. Edited (IANS)...

UF scientists Throw light on the origin of vertebrate skeleton

...ught collagen was a relatively recent invention in vertebrate evolution that unites us with reptiles, amphibians, sharks and bony fishes, while the lamprey skeleton was based on quite different proteins," said Martin Cohn, Ph.D., a developmental biologist and associate professor with the UF departments of zoolo...

Unmasking Nutrition's Role in Genes and Birth Defects

...pper metabolism on the development of zebrafish, a vertebrate that develops similarly to humans. Zebrafish have ...e, is untreatable and fatal. The discovery of a vertebrate model to examine copper metabolism in early development will contribute to the understanding of the ...

New Studies On Zebrafish Could Aid in Treating Birth Defects

...model that allows us to watch the process of early vertebrate development and manipulate it. There is no reason why the same approach that we have used with copper cannot work for other nutrients as well," said Gitlin. In fact, applying this approach to other nutrients and other types of birth defects is the ...

Fruit fly’s visual map based entirely on genetic inputs

..."There is a genetic component (to formation of the vertebrate visual system)," said Bellen, who is also a Howard...The most obvious difference between the insect and vertebrate brain is their size and the number of neurons and connections that need to be made. A possible expla...

Limb Regeneration Exists Innately In All Vertebrates – Says Researc

...enes and Development on Nov. 17, demonstrates that vertebrate regeneration is under the control of the powerful ...on of a few genes, you can change the ability of a vertebrate to regenerate their limbs, rebuilding blood vessels, bone, muscles, and skin - everything that is ne...

Electrical Activity Alters Language Used By Nerve Cells

...siology at the U.C. Davis School of Medicine. “The vertebrate neuromuscular junction has been very well studied, and it has long been thought that acetylcholine was the only neurotransmitter used there. “Sometimes people studying development can be misled by knowing how things work in an adult animal,” she ad...

Stem Cell Transplants Explored as a Possible Treatment for Hearing Loss

...c program for regeneration exists somewhere in the vertebrate family,' Heller said. 'We know there is an unknown signal to regenerate that we could use, but we first have to find it.' The idea of using drug therapy to cure deafness has been at the back of Heller's mind since he began researching the inner ear...

Biologists Trace Cause Of Early Blindness To Tissue Defect

...isms to detect their visual worlds—in zebrafish, a vertebrate whose eye physiology is essentially identical to that of a human. Recently he became intrigued by a 30-year-old debate involving photoreceptor death—specifically, whether it was a cause or an effect—in choroideremia, an X chromosome-linked hereditary...

UF Launches Project to Bridge the Regeneration Gap

...ng disciplines, including scientists who study how vertebrate development began millions of years ago as well as scientists who are trying to treat blindness by influencing the activity of stem cells in the human eye. In terms of brain diseases, scientists may look at ways to mobilize and reinforce the body's o...

The Origin of the Brain Lies in a Worm

...aboratory [EMBL] in Heidelberg now reveal that the vertebrate nervous system is probably much older than expecte...d by zoologist Anton Dohrn in 1875. It states that vertebrate and annelid CNS are of common descent and vertebrates have turned themselves upside down throughout ...

Loss of Antenna Leads to Cancer in Insects

...reasingly, biologists are finding that most normal vertebrate cells have cilia, small hair-like structures that protrude like antennae into the surrounding environment to detect signals that control cell growth. In a new study published in the June 29 issue of Cell, Fox Chase Cancer Center researchers descri...

Fishing for a Speedy Recovery After Chemotherapy or Marrow Transplant

...b, are required for blood stem cells to develop in vertebrate embryos, they looked for compounds that altered the expression (activation) of these genes. North spent six months placing 15,000+ tiny embryos in wells, each containing a different chemical five embryos to a well, 48 wells to a plate then checking...

Understanding the Mechanism Underlying Embryo Development

...ments also takes place during the formation of the vertebrate central nervous system, and the genes and signalli...ways involved are conserved in both Drosophila and vertebrate species. Although biologists already had an intuitive idea of how the limit or border between these...

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