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Tag: "genes" at biology news

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...nt proteins might have originated from a family of genes whoseonly apparent function is to jump around in g...nation."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-...

Scientists document complex genomic events leading to the birth of new genes

...uit fly, mosquito, and pufferfish) for single-copy genes that had evolved more than one copy in humans. "Ge...to this, however, is that the duplicated copies of genes very quickly evolve functions that are significantly different than those of their progenitors. Nat...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...nt proteins might have originated from a family of genes whoseonly apparent function is to jump around in g...nation."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-...

Gene sequencing explains bioremediation 'bug'

...nt proteins might have originated from a family of genes whoseonly apparent function is to jump around in g...nation."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...rm during a "mix-and-match" rearrangement of these genes into any one of countless combinations. The rings ...t of chromosomes during the mixing and matching of genes that are chosen to build a particular receptor. Each T cell uses the resulting combination of genes ...

UCLA scientists transform HIV into cancer-seeking missile

...ered by the lack of a good carrier for therapeutic genes that can travel through the blood and aim itself a... will be to test whether we can direct therapeutic genes to the precise location where cancer cells reside," Chen said. "This approach offers many potential ...

The BIOS Initiative - open source biotechnology is born

...include TransBacter, a new method for transferring genes to plants, and GUSPlus, a new way of visualizing where these genes are and how they function. "These tools are seeding a growing movement ?the BIOS Initiative ?that wi...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...PA-susceptiblemutations in their androgen receptor genes during the course ofprostate cancer treatment, although these concepts will need to beverified in animal systems,?according to Karen Knudsen, Ph.D., anassistant professor in the University of Cincinnati’s Department ofCell Biology and Center for Envi...

Beyond lithium for bipolar disorder

... (formerly of Merck and Co., Inc.) have identified genes whose activity appears to be switched on by lithiu... monophosphate, so the researchers set out to find genes that were activated by this inhibition. They treated slices of rat brain with lithium chloride as we...

PANTHER Protein Classification System Database 5.0

...PANTHER system functional annotations of fruit fly genes have beenavailable for two years as part of an ong...nal annotation information forhuman, mouse and rat genes in addition to the Drosophila genes. ThePANTHER system database consists of a library of 6,683 prote...

Plants defy Mendel's inheritance laws, may prompt textbook changes

...arkers - bits of DNA that help identify and locate genes in organisms - to determine whether a plant carrie...the phenomenon. He suspects that a number of other genes and the proteins they produce are involved in activating this process. "We need to understand more ...

Antibodies from plants protect against anthrax

...uals who had been vaccinated against anthrax. Then genes that encode the antibody itself were inserted into a bacterium that transfers the gene into the plant cells. "The plant makes the antibody for you in a few days," says Baillie. The antibodies were then purified from leaves harvested from the infecte...

UCSD discovery may help extend life of natural pesticide

... different mechanism, could prevent the resistance genes from becoming widespread." According to the researchers, prior work indicates that there are other receptors that also contribute to Bt resistance. Combining pesticides that work through different receptors or designing pesticides that can work thro...

New RNA polymerase discovered in plants

...ard. " We thought: 'What happens if we knock these genes out?' So, we knocked out the genes responsible for these subunits and there were no huge consequences. The plants survived, but there w...

Agilent Technologies releases automated literature search tool for biology researchers

...tionships between the biological entities, such as genes and proteins. A microarray or an LC/MS-proteomics experiment can typically result in hundreds of genes and proteins of interest. Biologists can use the new plug-in to avoid the daunting task of manually ...

New methods of gene delivery using lasers

... Andrews have developed a new method of delivering genes to cells using laser light. The new technique, whi...s causes the membrane to open up, allowing foreign genes to enter. The cell’s internal mechanism causes the membrane of the cell to heal itself thus appearin...

The Bacteria's guide to survival

...ve pili, the researchers found a subset of 52 host genes that had higher activity when the host was infecte...to affect the host's gene expression. Many of the genes that increased in activity due to the tugs were already known to regulate apoptosis and cellular res...

Breakthrough method in nanoparticle synthesis paves the way for new pharmaceutical and biomedical applications

...cture may be created to act as carriers for drugs, genes and proteins. In addition, these porous nanoparticles can be used to host quantum dots and magnetic nanoparticles for bioimaging and quantum device applications. ...

Influenza vaccine uses insect cells to speed development

...glutinin from an influenza virus. They extract the genes responsible for the production of hemagglutinin from the virus and insert them into a baculovirus. Caterpillar cells are then infected with the virus and begin to produce the hemagglutinin. The FluBlok vaccine has recently finished phase II clinical...

RNA project to create language for scientists worldwide

...RNA molecules as "the software controlling how the genes are expressed to make proteins." They are unique in being able to store and transmit information as well as process that information. The continuous discovery of new RNA molecules with novel biological functions is beginning to show that RNA plays f...

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