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Tag: "material" at biology news

New bioinformatics technique for systematically analyzing key regions in DNA that help control gene activity

...NA sequence information that could provide the raw material for analysis. ...

Several minute intermediate stage in virus-cell fusion discovered; opportunity for drug development

...ce inside the cell, the invading microbe's genetic material takes over, turning the 'host' cell into a factory...r the pore to enlarge sufficiently for the genetic material to pass into the host cell." The researchers are excited by this study because even a brief pause d...

Unweaving amyloid fibers to solve prion puzzles

...cuits. "These findings are quite relevant for the material sciences," says Lindquist. "The more we understand about how these fibers work, the more we can get them to self-assemble," a key advantage for nanoscale devices that are very difficult to manipulate directly. In addition, amyloids are also unusually...

New markers of climate change

...of two stable isotopes, 13C and 18O in the organic material and leaf-water of the plants. These isotopes accumulate in the plant over time and are indicators of photosynthesis and water evaporation, respectively. Because the plants are subjected to conditions such as fog and high rainfall, the levels of these...

Sugar helps control cell division

... from proteins causes the cell to copy its genetic material and make new nuclei, but to fail to divide in two.... uniformly through the entire nucleus, the genetic material of these cells was bunched up, giving the contents of the nucleus a "wrinkly" appearance. Exactly w...

From a Few Wild Ancestors, a Citrus Cornucopia

...reeding efforts probably won’t receive new genetic material from the area of origin because of the threat of habitat loss and the political challenges surrounding international exchange of plant materials.?/p> Citrus In Situ In situ preservation—conserving plants and organisms in their indigenous habitat...

Toxic flood lifts lid on common urban pollution problem

...aminants. "If you pick up this potentially toxic material before it gets into the hydrological cycle, it is far more economical than if you try to take it out of the water after the fact," he said. ...

Researchers Create DNA-Based Sensors for Nano-Tongues and Nano-Noses

...connected together and then rolled. It is a unique material in which every atom is on both the surface and the interior. Although nanotubes have many applications, they are extremely sensitive to electrostatic variations in their environment, whether the nanotube is in a liquid or in air. "When the DNA porti...

Nanotubes inspire new technique for healing broken bones

...rosis. In a typical bone graft, bone or synthetic material is shaped by the surgeon to fit the affected area,...today are realizing that mechanical mimicry of any material alone cannot succeed in duplicating the intricacies of the human body," Haddon says. "Interactions o...

How HIV disables the cells' call for help

... of immune cell to come to the rescue. The genetic material of the virus, which is basically a strand of RNA, then forces the cell's DNA to make copies of it. Newly minted viruses created by the host DNA later break out of the cell membrane to infect other cells. Many believed that the very act of breaking in...

Acid water in East Java threatens biodiversity and local welfare

... also very low. The inhibited breakdown of organic material was another ecological effect measured. Lohr established this using packs containing jati and bamboo leaves, which she suspended in the river at various locations. She determined the loss dry matter over a period of several months. Solution Acco...

Making plant cells work like miniature factories

...lecules that have been electrically charged. Plant material is ionized into a gas, sorted in an analyzer chamber according to the mass-to-charge ratios, and collected by an ion detector. The detector converts ion flux into a proportional electrical current. Finally, the magnitude of the electrical signals is ...

India's smoking gun: Dino-killing eruptions

...ought to have been the surfacing of a plume of hot material from deep in the Earth's mantle. ...

Less virulent strains of avian influenza can infect humans

...umans, giving them the opportunity to swap genetic material with human strains, which could result in a more virulent virus. Researchers in Italy studied outbreaks that occurred among poultry between 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the an...

Genetically modified maize not found in southern Mexico

...can test for very low concentrations of transgenic material in maize seeds. The researchers were looking for traces of two key transgenes ?one or both of which are found in all GM maize crops. Test results showed no evidence of the presence of either transgene from any of the seeds. "We now know that transg...

Transplanting Animal Organs Could Soon Be A Reality

...umans, giving them the opportunity to swap genetic material with human strains, which could result in a more virulent virus. Researchers in Italy studied outbreaks that occurred among poultry between 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the an...

First Whole Genome Map of Genetic Variability in Parkinson’s Disease

...umans, giving them the opportunity to swap genetic material with human strains, which could result in a more virulent virus. Researchers in Italy studied outbreaks that occurred among poultry between 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the an...

Eating, body weight regulated by specific neurons

...umans, giving them the opportunity to swap genetic material with human strains, which could result in a more virulent virus. Researchers in Italy studied outbreaks that occurred among poultry between 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the an...

European Commission funds EBI to do new research on synergies between bioinformatics and medical informatics

...umans, giving them the opportunity to swap genetic material with human strains, which could result in a more virulent virus. Researchers in Italy studied outbreaks that occurred among poultry between 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the an...

New study finds how cells with damaged DNA alert the immune system

...nts associated with impairment of a cell's genetic material -- the DNA damage pathway -- was exposure to radiation and chemotherapy drugs. They found that cells in which the DNA damage pathway was triggered were the ones that exhibited an increase in the expression of special proteins on the cell surface. Th...

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(Date:10/10/2008)... cells with the capacity to build fat, according t...l Cell, a Cell Press publication. Although they ...es, transplants of the progenitor cells isolated f...al fat tissue in animals that are otherwise lackin...uses of obesity, a condition characterized by an i...
(Date:10/10/2008)...o University and the Gladstone Institute of Cardio...ward in improving the possibilities for the practi...cell technology. , Previously, Dr. Yamanaka had ...me embryonic stem celllike using a cancer-causing ...ogram the cells, and a virus to transfer the genes...
(Date:10/10/2008)...0s, Austrian and Swiss scientists conducted intens...photographs of the glaciers, mountains and valleys...tz Mller spent eight months in the region at locat... the Himalayan glaciers. , Now, fifty years late...scientists are of immense value in trying to under...
(Date:10/9/2008)...o the IOF World Congress on Osteoporosis 2008, at ...October 31, 2008. , To benefit from lower rates...ofbonehealth.org/wco/2008/homepage.html . Special...from non-OECD countries and for IOF members. After...gher rates, will be possible. , Your chance to ...
Breaking Biology News(10 mins):Fat-regenerating 'stem cells' found in mice 2Yamanaka eliminates viral vector in stem cell reprogramming 2'Himalaya -- Changing Landscapes' photo exhibition draws attention to the impacts of climate change 2'Himalaya -- Changing Landscapes' photo exhibition draws attention to the impacts of climate change 3Wheezing and asthma in young children 27057 1Wheezing and asthma in young children 27057 2Hospira Hosts Conference Call for Third Quarter 2008 Earnings 8128 1Caliper Life Sciences and DiscoveRx Announce Availability of PathHunter eXpress Reagents for GPCR Assays 8124 1Caliper Life Sciences and DiscoveRx Announce Availability of PathHunter eXpress Reagents for GPCR Assays 8124 2Caliper Life Sciences and DiscoveRx Announce Availability of PathHunter eXpress Reagents for GPCR Assays 8124 3Burcon announces GRAS status for Puratein 28R 29 26 Supertein 28TM 29 3242 1Burcon announces GRAS status for Puratein 28R 29 26 Supertein 28TM 29 3242 2Burcon announces GRAS status for Puratein 28R 29 26 Supertein 28TM 29 3242 3
(Date:10/10/2008)... PACO Communications Named Agency of Record, CHI...ospital has just,announced the launch of its "Deli... awareness of its long-standing commitment to prov...gh its Labor and Delivery, Special Care,Nursery an...Chicago with a focus on public relations and,adver...
(Date:10/10/2008)...d Company committed to helping people address heal...Call/ -- In these troubling,economic times, people...,and may feel that they don,t have the money to vi... to a survey by the National Association of,Insura...1), -- Twenty-two percent of Americans say that t...
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(Date:10/10/2008)...ya, Oct. 10 /PRNewswire-USNewswire/ -- Public inte... meeting convened to make,decisions on the threats...,On 6-10 October 2008, the 2nd UNEP(2) Open Ended ...ments that would form part of a global framework,o...ouncil (GC) in February,2009, where it will be dec...
Breaking Medicine News(10 mins):Health News:Norwegian American Hospital Launches Awareness Campaign Targeting Hispanic, African-American and General-Market Moms 2Health News:Norwegian American Hospital Launches Awareness Campaign Targeting Hispanic, African-American and General-Market Moms 3Health News:Healthcare Resources Available in Difficult Times 2Health News:Healthcare Resources Available in Difficult Times 3Health News:CIO Healthcare Summit Announces Dates and VIP Delegates 2Health News:Elements for a UN Global Framework on Mercury Agreed to 2
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