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Tag: "produce" at biology news

Mosquito genes explain response to climate change

...ask of determining how genes interact and how they produce specific phenotypes (observable traits), which include photoperiodic response and dormancy. "Climate changes already are extending the growing seasons," Holzapfel said. "We know that portions of the country are becoming warmer and dryer than othe...

Living with water scarcity -- world must act now

... water, land and human resources it is possible to produce enough food for the future ?but it is probable tha...e of liquid water gets converted to water vapor to produce one calorie of food. "Each of us is responsible for consuming between 2,000 and 5,000 liters of wat...

NIH announces phase III clinical trial of creatine for Parkinson's disease

...it can improve the function of mitochondria, which produce energy inside cells. It also may act as an antioxidant that prevents damage from compounds that are harmful to cells in the brain. In a mouse model of PD, creatine is able to prevent loss of the cells that are typically affected. "Creatine, or a...

Can engineered immune cells stop AIDS?

...experimenting with a way to help the immune system produce antibodies that can neutralize the virus," says Wa...ls by adding genes that will instruct the cells to produce rare antibodies such as B12, 4E10, 2G12 and 2F5. Wang says these antibodies are known to neutralize...

Natural polyester makes new sutures stronger, safer

...dge company that hopes to use the same material to produce an array of absorbable medical devices, including ...erred into a strain of industrial E. coli that can produce large quantities of the strong, flexible polymer. The FDA cleared the biopolymer sutures on Feb. ...

Study of planarians offers insight into germ cell development

...ment, planarians do not generally express nanos or produce germ cells until several days after hatching. This...t these asexual individuals also express nanos and produce germ cells. Some other mechanism, as yet unknown, prevents these germ cells from developing into fun...

Bacteria research offers hope for new vaccine against meningococci

...h Jonsson’s research team therefore used mice that produce the human receptor that the bacteria bind to. Marking the bacteria to emit light, the scientists used cameras to monitor their activities in the living mice during the course of the disease. “The bacteria are almost knocked out by the immune defe...

Deep in the ocean, a clam that acts like a plant

...said. The symbiotic bacteria also fix nitrogen and produce amino acids, vitamins and other nutrients required by the clam. Studies of the deep sea have implications for studying the origins of life, Eisen said. Life on Earth may have got its start with microbes living on such chemical reactions, before th...

MIT biologists solve vitamin puzzle

...perform all of the complicated chemistry needed to produce DMB. "It looked like a number of things had to happen in order to make the DMB," said Walker. "We originally thought that BluB might be just one of several enzymes involved in DMB synthesis." Therefore, it came as a surprise when Taga isolated ...

Lead-'scrubbing' drug may also improve muscle function in lead-exposed children

...tudy to report that succimer chelation therapy can produce beneficial effects on postural balance and movement in lead-exposed children. Previous research has shown that succimer chelation therapy can reduce lead levels in the blood, but few scientists have investigated whether it can improve neuromotor a...

Ultrasound upgrade produces images that work like 3-D movies

... modified the commercial version of the scanner to produce an even more realistic perception of depth. Paired...Smith said. The brain processes the information to produce a sense of depth, a phenomenon that can't be achieved when viewing a single, flat image. Stereosc...

Leukemic cells find safe haven in bone marrow

...y of mesenchymal cells to make the ASNS enzyme and produce asparagine. In this case, the protective effect of mesenchymal cells was eliminated. Conversely, when the researchers caused the ASNS gene to work overtime making asparagine, the ability of the mesenchymal cells layer to protect the ALL cells was sig...

Quitting smoking reduces risk of lung cancer mortality by 70 percent

... of death in Asia-Pacific populations. It aims to produce region-, age- and sex-specific estimates of the cardiovascular disease risks associated with blood pressure, smoking, cholesterol, diabetes and other major risk factors. ...

Microfluidic chip helps solve cellular mating puzzle

...tiple signaling messengers. Such findings may help produce medications with fewer side effects and others that target mutations associated with cancer. ...

Scientists produce neurons from human skin

... Berthod and his team described the method used to produce these neurons in a recent issue of the Journal of ...led "axons." The researchers?challenge was thus to produce neurons from undifferentiated cells rather than multiply neurons from nerve cells. Tests conducte...

Lower carbon dioxide emissions from coal-fueled power plants possible with technology development

...or a related amine. The solution is then boiled to produce pure carbon dioxide. In Rochelle’s campus laboratory, he will work to improve this approach by using a chemical additive to increase the rate of carbon dioxide absorption into the solution, and assessing the overall capture process using computer...

Scientists re-grow dental enamel from cultured cells

...ique for culturing cells that have the capacity to produce enamel. This group has recently shown that epithel...he dental epithelial cells retained the ability to produce enamel, as long as they were later provided with an appropriate environment. The idea for the cul...

Scientists unravel clue in cortisol production

...ansient binding events, the adrenal gland fails to produce optimal levels of cortisol." Next the team will investigate how small molecules ?ligands ?regulate cortisol production by binding to SF-1 and controlling the receptor's ability to bind to DNA. ...

MicroRNA helps prevent tumors

...n of one microRNA with one of its target genes can produce a certain trait in mammals. This is important because scientists are only beginning to learn the functions of microRNAs in animals. "Because hundreds of human genes appear to be regulated by the let-7 microRNA, we were afraid we wouldn't see any...

Meeting the ethanol challenge: Scientists use supercomputer to target cellulose bottleneck

...s food prices climb. A far better source is to produce ethanol from cellulose, easing pressure on foo d supplies and yielding greater greenhouse gas benefits. The fibrous part that makes up the bulk of plants, cellulose is the cheapest and most abundant plant material, from corn stalks left after harvest...

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