Tag: "sugars" at biology news

UT Southwestern researchers uncover process for sugar-induced fat formation

...arer." Eating meals high in carbohydrates or sugars leads the body to do several things. Some of the sugars are immediately converted to energy while the rest of the sugars are converted to fat. The sugar-to...

OHSU study: Bacterial switching mechanism key to survival

... glucose. They do have strong preference for which sugars they want to consume." The survival technique, carbon catabolite repression (CCR), is one of the most fundamental and oldest mechanisms used for environmental sensing and signalling in bacteria, and it's critical for successful competition in diverse...

Are yeast cells bringing us a step closer in treating obesity?

...disorders such as diabetes and obesity. Detecting sugars in the cell Every living thing is composed of cel...own. The discovery that receptor proteins react to sugars like glucose is very important to the search for treatments for metabolic diseases. Indeed, these pr...

Bug's-eye-view of urinary tract reveals E.coli infection genes

...pressed during the infection. And we found unusual sugars taken up by E. coli in the mouse, which were not utilized by the bacteria in other growth media." In addition to learning what the bacteria were doing inside the urinary tract, the DNA microarray data also provided valuable information about growing ...

Salt-water minnow research helps explain human cardiology

...rences in how their heart muscles process fats and sugars contain clues to this mystery. The National Science Foundation (NSF)'s biocomplexity in the environment program, and biological oceanography program, funded the work. "These scientists found a genetic set of keys that begins to unlock the mystery of ...

Canola study solves seed oil mystery

...sugars. When canola subsequently transformed these sugars into oils, the plants appeared to cough up lots of...g canola seeds. During the conversion of sugars to oils, researchers expected to see the tagged carbon go through a step-by-step series of chemical ...

Dwarf mistletoe reveals its sexual secrets

... America. These parasites suck water, minerals and sugars from their tree hosts, stunting their growth and in some cases killing the trees. These include economically important trees, such as the lodgepole pine in British Columbia and the jack pine in central Canada. "We could potentially target the un...

Research turning up the heat on fowl bacteria

...side human cells are tons of goodies, all kinds of sugars and other elements. If bacteria can get there, cause the cells and tissue to become inflamed, cells starts releasing all these nutrients and the bacteria have things to eat. In fact, bacteria don't want to kill a host because then they run out of nut...

Research may speed development of new oral drugs for fertility treatments

...tion of its receptor. She also removed some of the sugars on the complexed molecules to aid crystallization. The researchers had used animal cells as factories for the FSH-receptor complex protein, rather than bacterial cells, which do not manufacture proteins that are decorated with sugars. Fan engineered ...

McGill researchers shed light on formation of carcinogen in food

...d Chemistry , shows how food-based amino acids and sugars break down when heated to produce furan. It also i...its derivatives sometimes form when amino acids or sugars are broken down by the heat of cooking," explains Dr. Yaylayan. "Normally, furan is a volatile chemi...

Drought reduces nitrogen-fixing in legumes

...activity, a drop in the concentration of phosphate sugars and organic acids was also observed, indicating a decrease in carbon flow in the nodules, a drop which, in turn, limits the supply of carbon to the bacteroid and the capacity of the bacteroid to fix nitrogen thus affected. Perception of water stress...

UCSD discovery may help extend life of natural pesticide

...ike arrangement of sugars. Because changes in the sugars impact Bt's ability to bind, the researchers belie...Aroian. "This latest paper demonstrates what these sugars actually do. They provide a receptor for the toxin that allows the toxin to recognize its "victim"--...

Spit, and call me in the morning

...The test detects saliva proteins that have special sugars that bind to the surfaces of microbes. There are m...ties, according to Denny. By analyzing the protein sugars in an adult's saliva, Denny's research team was typically able to predict how many cavities - give o...

New study documents the detrimental impact of teen beverage choices

...drinks are also the single leading source of added sugars in a teen's diet, providing more than half of all added sugars they consume. Researchers from the University of Vermont, University of British Columbia, and ENVIRO...

Fat's fate depends on its source

... taken in directly from the diet or generated from sugars spark a cascade of gene activity in the liver necessary for healthy blood levels of sugar, cholesterol, and other fats, according to the researchers. Old fat stores alone failed to set those critical metabolic pathways in motion, they found. The find...

Consequences of exposure to an energy rich diet during development

...at many of us eat a diet high in saturated fat and sugars and do little exercise, there is emerging evidence that the diet that our mothers consume while we are in the womb and also when breast feeding may lead to health risks associated with obesity. For many years it has been appreciated that fetal undern...

Hydroxycitric acid slows glucose uptake, cuts insulin peaks/valleys a la South Beach Diet

...on of sugars, a lot of insulin is required. If the sugars are metabolized more slowly, the insulin is released gradually. This is a crucial difference, as far as obesity is concerned: Fast sugar is worse for you; slower is better." Besides the implication for extra sugar being stored (as fat) rather being u...

Vampires beware: Scripps scientists describe molecular basis of raw garlic's pungency

...ng garlic, like roasting any vegetable, causes the sugars to caramelize, slightly changing the flavor. But something else changes in the garlic when it is roasted -- its chemical makeup. Raw garlic is full of sulfurous compounds, including a chemical called alliin, which is concentrated withi...

Revolutionary nanotechnology illuminates brain cells at work

...roteins that specifically bind metabolites such as sugars and amino acids. A protein of interest is genetically fused with two differently colored tags made from variants of the jellyfish Green Fluorescent Protein (GFP). The colored tags are placed at each end of the molecule making a "biosensor." When the ...

Pollution-eating bacteria produce electricity

...s have developed microbial fuel cells using simple sugars or organic waste products. What makes Milliken's and May's discovery so unique is the bacterium itself. It is the member of a genus known as Desulfitobacterium, which up until now was not known to have the capacity to generate electricity. These b...

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