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Tag: "produce" at biology news

Researchers from the UGR use a bacterium to obtain biopreservatives from food

...n their environment. One of these strategies is to produce antimicrobial compounds such as antibiotics, certain metabolism products, lytic agents, numerous types of protein exotoxins, and bacteriocins. It has become increasingly more necessary to find new antimicrobial agents because of the stronger resistan...

Post oak grasshoppers emerging

...lays five to six eggs at a time in a pod, and will produce two to four pods over her lifetime. In the spring, when post oak leaves begin to emerge, the eggs hatch and the nymphs begin to climb trees to feed. They go through at least five developmental stages before becoming adults, all the while munching on ...

Researchers create artificial enzyme that mimics the body's internal engine

...said. "If it adds less than four electrons, it can produce partially reduced oxygen molecules, and these are known to be very toxic." The two most deleterious forms of reduced oxygen are superoxide and hydrogen peroxide, which have been implicated in cancer, heart failure, Alzheimer's disease and other illne...

White blood cells in lung produce histamine seen in allergies

...ice is the first to show that lung neutrophils can produce histamine in significant quantities, according to ...acteria on neutrophils. They induce neutrophils to produce the enzyme that produces histamine." Individual neutrophils produce much less histamine than indiv...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...ubtypes. When therapies are ineffective, they may produce harmful side effects and decrease a patient’s qual...to a specific drug, and which combination of drugs produce the most favorable response." said Spyro Mousses, Ph.D., director of the Pharmaceutical Genomics Div...

Selective marker found to indicate aggressive form of breast cancer

...issue produces nestin, but basal epithelial tumors produce a tremendous amount of nestin, which likely represents an abnormal expansion of the basal epithelia." DiRenzo said. "If it is indeed specific to regenerative cells, then it will make for an excellent diagnostic tool for a cancer of regenerative mamma...

Gene therapy for blindness clears hurdle in mice

...mply won’t see." Mutated forms of the rhodopsin produce a toxic protein in the retina that kills cells that receive light. People with the disease usually notice symptoms between the ages of 10 and 30. At first they have problems seeing in dimly lit places, followed by loss of their peripheral sight. The ...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

...part genetically, are transmitted differently, and produce very different diseases. Hepatitis A spreads through the consumption of fecal particles from an infected person (in pollution-contaminated food or water, for example), but hepatitis C is generally transmitted only by direct contact with infected bloo...

Are journal rankings distorting science?

...universities now prioritise scientific fields that produce research published in the highest impact factor journals, causing substantial damage to the clinical research base. In an accompanying article, two researchers discuss whether impact factors should be ditched. Gareth Williams of Bristol Univers...

Cheaper, better disease treatments expected from faster approach to developing antibodies

...ium E. coli have already been used as factories to produce antibodies (protective proteins of the human body ...mercial production. Getting mammalian cells to produce lots of antibodies costs more, and can take several months. The direct bacterial approach developed ...

Producing medicines in plant seeds

Using plants to produce useful proteins could be an inexpensive alternativ...in medical applications and that it is possible to produce them in the seeds of plants, which can have enormous advantages over conventional production methods...

Ethanol vehicles pose a significant risk to human health, study finds

... wind or solar power,'' he added. ''These vehicles produce virtually no toxic emissions or greenhouse gases and cause very little disruption to the land-unlike ethanol made from corn or switchgrass, which will require millions of acres of farmland to mass-produce. It would seem prudent, therefore, to address...

Custom-made cancer cell attacks

...bout 140 corn ethanol refineries nationwide, which produce more than 5 billion gallons a year. But critics sa...that planting large quantities of corn or grass to produce ethanol will require widespread deforestation, which threatens biodiversity. ''It depends on what ac...

Cellulosic ethanol: Fuel of the future?

...bout 140 corn ethanol refineries nationwide, which produce more than 5 billion gallons a year. But critics sa...that planting large quantities of corn or grass to produce ethanol will require widespread deforestation, which threatens biodiversity. ''It depends on what ac...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

...s; members of either sex can use this technique to produce compatible stem cells, much like you might donate ...ording to McLaughlin, that uniparental cells could produce hematopoietic stem cells. In addition, McLaughlin's group found no evidence of disease linked to th...

Cancer researchers add spice to research against rare neuromuscular disease

...the mice treated with ASC-J9 were able to mate and produce offspring, while their counterparts could not. ASC-J9 appears to work by breaking up a sort of molecular clog in neurons affected by Kennedy disease. The biology of the disease is bit like Huntington's disease, a more common neurodegenerative dis...

Freeze! Scientists film proteins at work by freezing them at different states

...titutes based in Grenoble (France) have managed to produce a movie. The actors are not celebrities but a prot...bility for developing future drugs. In order to produce the film, the team used the ESRF-IBS “Cryobench?laboratory to freeze the protein in three different ...

Small molecule dervived from Rb2/p130 could act as cancer therapeutic

...ids down to the smallest sequence that would still produce the same functionality as p21, explained Giordano. "We thought we could narrow down the spacer region that contains the protein-like motif to a small portion that could be delivered as a small molecule or peptide," Giordano said. They discovere...

Long-lived deep-sea fishes imperiled by technology, overfishing

...In some species, such as sharks, the fish may only produce a handful of offspring and the chances of survival...it for the stars to align before they successfully produce offspring that will survive until maturity." Natural and human-influenced climate factors includi...

Antibody signal may redirect inflammation to fuel cancer

...d following a bacterial infection and in response, produce antibodies that signal leukocytes to attack," said Coussens, associate professor of pathology in the UCSF Cancer Research Institute. "But in precancerous tissue in mice, we have found that leukocytes apparently receive signals to switch programs, sti...

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