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Tag: "grown" at biology news

Red delicious, Northern Spy apples have most antioxidants, chemists find

...and Rome. All of the apples used in the study were grown on the same farm under similar conditions. The researchers found: * Polyphenols were five times more prevalent in the skin than the flesh of the apples. * Two polyphenols, epicatechin and procyanidin B2, were the greatest contributors to total anti...

The evolutionary triumph of flower power

...edible or medicinal flowers, most flowering plants grown in the flower industry today are not used for any purpose other than emotional satisfaction. "Our hypothesis is that flowers are exploiting an emotional niche. They make us happy," McGuire says. "Because they are a source of pleasure ?a positive emo...

Study reveals new technique for fingerprinting environmental samples

...y of them, some 99 percent, are resistant to being grown under standard laboratory conditions. The EGT strategy's particular utility is that it offers an easily accessible window into that important part of the biosphere with significant impact on the environment. DOE JGI postdoctoral fellow Susannah Gree...

Defenseless plants arm themselves with metals

...athogens than similar plants growing nearby. When grown in the absence of metal, however, these plants are...ungal infection rates in both types of plants when grown with or without exposure to the metal nickel. They found significantly higher levels of salicylic a...

Chemicals in tattoo inks need closer scrutiny

As tattoos have grown in popularity, so have complaints of adverse side effects associated with both their application and removal. A new study, done by chemistry students at Northern Arizona University, looked at the chemical composition of a variety of tattoo inks to be...

New drug shows promise as powerful anticancer agent

...ng liver, breast, and pancreatic cancers that were grown in mice. ON01910 was also highly effective and, in many cases, strongly synergistic when tested in combination with other chemotherapeutic agents. Studies examining normal human cells show that, in contrast to tumor cells, they are not influenced by ...

Researchers rein in regulatory RNAs

...r of SATs identified in the past several years has grown substantially, and they are now believed to comprise at least 8% of human genes. Many SAT pairs have been implicated in various stages of gene regulation, including transcription, mRNA processing, splicing, stability, transport, and translation. Vari...

Heart repair gets new muscle

...ting and express cardiac markers, whether they are grown in a test tube or have migrated to injured hearts in study mice. The authors can't say why skeletal muscle would harbor cardiac stem cells, but for now, the Spoc cells provide a valuable tool for studying heart cell differentiation. And with time, t...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

... no other mustard-related plant species were being grown in the vicinity," said Banuelos. He noted that every morning trained workers swept through the fields to literally nip any flowers in the bud, and that netting and buried chicken wire were used to keep wildlife away from the plants. "One of the cha...

Molecular models advance the fight against malaria

... is an effective resource because it can be safely grown in large quantities and can be easily modified to take on the qualities of more dangerous pathogens, without risking human infection. When the researchers genetically transferred mutations into the yeast surrogates, the yeast acquired resistance to ...

Viral protein influences key cell-signaling pathway

...irus could still reproduce, or replicate, in cells grown in the laboratory even when p12 was missing. "But viruses do not keep genes unless they have a purpose," Lairmore says. In an earlier study, Lairmore and his colleagues tried to infect an animal model with an HTLV-1 that lacked the p12 gene, and it ...

Antiretroviral therapy may prevent excess risk of some cancers in people with HIV

...ow the knowledge of cancer and immune diseases has grown since it began. They note that questions remain about the types and severity of cancers that will appear in coming years among patients on HAART, who have less severe but prolonged immunosuppression. "Controlling the epidemic and ameliorating the suf...

Researchers devise way to mass-produce embryonic stem cells

...period, cell density ?the number of cells that had grown in the bioreactor ?was anywhere from 10- to 100-fo...ls in a flask vs. the bioreactor is that the cells grown in the bioreactor could grow in three dimensions, while cells growing on a flat surface ?the bottom ...

New online portal merges vast data on Gulf of Maine ecosystem

...ts and researchers. Although research capacity has grown by leaps and bounds as a result of computer and sensor technology, valuable collections of biological, oceanographic and geologic data from public and private institutions have, in large part, remained in isolation from each other. For the first time...

Genetically modified rice in China benefits farmers' health, study finds

...ly few observations of this variety because it was grown in only one village by comparatively few farm households. Pesticide related illnesses Because there is a high incidence of pesticide-related illness in households of developing countries, including China, the researchers were interested in tracking...

PCRM develops world's first cruelty-free insulin assay

...ne, we could use test kits with insulin antibodies grown in vivo--literally from cells injected into the ab...issouri, Even successfully incorporated antibodies grown in the medium into a test kit for human insulin. A report on the new methodology will be published ...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...mpared the proteins secreted by P. gingivalis when grown in a medium containing human gum cell proteins with the proteins produced by the bacteria when grown in a neutral medium. Bacterial proteins from the two conditions were separated using a new technique...

Tiny scaffolding allows stem cells to become working fat cells

... in the body. While other studies have previously grown fat cells, or adipocytes, in the laboratory, those.... "Small, three-dimensional cell colonies could be grown on multi-well assay plates and be used to test dozens of compounds at the same time," he explained. ...

DNA Recombination and Repair—A New Twist to RecA Function

...blem in the test tube, by examining RecA filaments grown from mixing RecA protein with DNA. Previous experiments have shown that filament assembly spreads rapidly in the 5'-to-3' direction once the first RecA molecule is loaded onto DNA. At the same time, ATP hydrolysis causes the release of RecA from DNA,...

Highly adaptable genome in gut bacterium key to intestinal health

...,779 genes were highly active compared to B. theta grown in a simple-sugar soup. The predominant group of high-activity genes were involved in the acquisition and digestion of carbohydrates. "In mice fed complex carbohydrates, we found that the microbes attached to small food particles in the intestine," ...

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