Tag: "metabolic" at biology news
Tools from the Human Genome Project reveal a versatile microbe
...ng organisms are capable of using only one of four metabolic
modes to live. Humans, for example, obtain carbon ...lustris has the genetic capability to use all four metabolic
modes depending on the conditions of its immediate environment. "Once we saw the sequence, w...
Scientists decode DNA of bacterium that cleans up uranium contamination and generates electricity
...acterium and also gave scientists insight into the metabolic
mechanisms that the organism uses to harvest energy from the environment. Geobacter reduces metal ions in a chemical process during which electrons are added to the ions. As a result, the metals become less soluble in water and precipitate into soli...
Scientists decipher genome of bacterium that remediates uranium contamination, generates electricity
...acterium and also gave scientists insight into the metabolic
mechanisms that the organism uses to harvest electricity from the environment. In a paper published earlier this year in Applied and Environmental Microbiology, the University of Massachusetts team reported that G. sulfurreducens by means of reducti...
A new hope for heavy metal contaminated soils
... the cytoplasm into cellular compartments of lower metabolic
activity, for example the plant cell central vacuole. Curiously, all these genes displayed high activity under all conditions, and not only when plants are challenged with heavy metals. This is consistent with the observation that leaves of A. haller...
Aging: The continuous process from birth to death
...arge-scale study examined the relationship between metabolic
rate and longevity in the fruit fly (Drosophila melanogaster). The metabolic
rates of approximately 3,000 individual fruit flies or various ages were measured in an effort to id...
USGS December science picks!
... exude a noxious substance as a byproduct of their metabolic
processes, one that prevents fouling of its exterior and discourages predators. The origin of this "squirt" is not known. Photos: http://www.usgs.gov/features/marineinvasives.html . Contact Page Valentine at 508-457-2239 or email at pvalentine@...
Protein-hungry cells 'go fishing,' report Purdue biologists
...ength, endurance, health - they're all essentially metabolic
processes, and figuring out how these processes change as we age will almost certainly depend on figuring out how membrane proteins do their jobs." Members of Cramer's research team are affiliated with several research centers at Purdue, including th...
Researchers show absence of key oxygen-sensing molecule leads to developmental defects
... substantially prevented or reversed the organ and metabolic
abnormalities in the mice. In addition, treatment of pregnant females with the same molecule led to increased viability in their newborns, suggesting that "therapy that reduces oxidative stress, increases (newborn) survival to birth," the researchers...
Newborn screening for certain genetic disorders has benefits and some drawbacks
...t-of-range screening results that do not signify a metabolic
disorder on further evaluation of the child. The s...eir child. Education about these rare and complex metabolic
disorders also is needed for primary care physicians and other health care professionals, especially...
Scientists at Scripps discover a genetic cause for primary iron overload
...mutation that could be responsible for causing the metabolic
disorder, primary iron overload, common among peop...of them," says Beutler. Primary iron overload is a metabolic
disorder in which excessive amounts of iron are deposited in the liver, pancreas, and other organs. ...
Activity detailed for sirtuins, involved in metabolism, aging, gene expression
... and if it's being used by the enzymes involved in metabolic
processes, it may not be available to the sirtuins whose job it is to shut down unnecessary gene expression. The resulting unchecked genetic activity would expend needless energy, promote the production of genetic abnormalities, and may well be impli...
Illinois study seeking biomarkers of canine diabetes, other diseases
...ss, heart disease, blindness, epilepsy and chronic metabolic
diseases. In the Illinois study, a diet of mostly ...es, and other medical issues. The general study of metabolic
profiles of cells, tissues and organisms is designed to identify molecular markers that reflect nutr...
DuPont and NREL to develop world's first integrated 'bio-refinery'
...extile apparel, carpeting, and packaging. Through metabolic
engineering, DuPont recently developed a fermentation-based process as the basis for the manufacturing of bio-PDO. This process earned the U.S. Environmental Protection Agency's Presidential Green Chemistry award earlier this year. Michael Pacheco,...
Huge iceberg wreaks havoc on Antarctic marine ecosystem, study finds
...irectly on phytoplankton production as a source of metabolic
fuel were even more heavily impacted in 2002-03 than they had been in 2000-01," the authors concluded. "Calving events over the last two decades indicate reduced primary productivity may be a typical consequence of large icebergs that drift through ...
Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism
...es could lead to a better understanding of our own metabolic
processes. "What we see when we examine these proteins is the nature of their partial similarity," said Cramer. "The differences can now be explored more easily." Examining the membrane proteins has itself been the challenge for the research team, w...
COX-2 inhibitors and renal damage in obesity-related Type II diabetes
...ey disease. The Obese Zucker rat displays all the metabolic
characteristics associated with Type II diabetes and hypertension, and develops extensive renal damage. Obese Zucker rats possess a mutant leptin receptor that explains their uncontrolled appetite and, consequently, results in obesity and its associa...
Lasker Award honors Rockefeller University biochemist for pioneering studies of gene activation
...hrough the control of histone biosynthesis) to the metabolic
state of the cell. These findings add to a growing body of research from the Roeder lab that is beginning to define more specific physiological roles for the poorly understood coactivators. Four decades of honors Roeder was born in Boonville, India...
Physiologists findings make fishing tournaments safer for fish!
...le the rate of oxygen consumption by the fish (its metabolic
rate) rises. Whenever fish are removed from water, the structures in the gills that exchange gases the lamella will also collapse, which inhibits the uptake of oxygen. As a result of Dr. Tufts' research, Shimano Canada Ltd. has now incorporated t...
Natural fat compound may be basis for new class of drugs targeting obesity
...hanolamides, fats that are produced in response to metabolic
stimuli and nervous system activity. OEA is related to a neurotransmitter known as anandamide, which is similar to marijuana's active ingredient and controls a number of nervous system functions. When food is ingested, OEA is manufactured in the smal...
Host response to anthrax lethal toxin suggests some current treatment strategies are inappropriate
...factor produces such profound tissue hypoxia, what metabolic
processes are affected in the liver and elsewhere, and how these effects may be blocked will require further studies"....
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