Amino Acids Current Events | Amino Acids News | 2
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Variants of 'umami' taste receptor contribute to our individualized flavor worlds
Using a combination of sensory, genetic, and in vitro approaches, researchers from the Monell Center confirm that the T1R1-T1R3 taste receptor plays a role in human umami (amino acid) taste. view more (2009-07-09)
Enzyme defect leads to hyperinsulinism
A recent study in the Journal of Biological Chemistry confirms that mutations in an enzyme called glutamate dehydrogenase can cause congenital hyperinsulinism. view more (2006-05-25)
Naked turkey
WHAT`S the secret of great-tasting Christmas turkey? Let it get naked. Whipping the foil off a cooking turkey to allow the skin to brown induces a previously unrecognised process that concentrates the meat flavours at the surface. Chefs have always known that browning the bird with direct heat creates flavour. But more important than the heat,... view more... (2001-12-19)
Health: Improving the recognition of brain tumours
Researchers at the Institute of Nuclear Chemistry in Jülich have developed a short-lived, radioactive amino acid that delivers much more precise information on brain tumours and their structure than was possible in the past. By combining positron emission tomography (PET), a process that visualises the spread of radioactive substances in the... view more... (2005-05-04)
Is life the rule or the exception? The answer may be in the interstellar clouds
Is life a highly improbable event, or is it rather the inevitable consequence of a rich chemical soup available everywhere in the cosmos? Scientists have recently found new evidence that amino acids, the `building-blocks` of life, can form not only in comets and asteroids, but also in the interstellar space. This result is consistent with... view more... (2002-05-28)
UCLA AIDS Institute researchers find a peptide that encourages HIV infection
UCLA AIDS Institute researchers have discovered that when a crucial portion of a peptide structure in monkeys that defends against viruses, bacteria and other foreign invaders is reversed, the peptide actually encourages infection with HIV. view more (2007-05-11)
Potassium limitation, ammonium toxicity and amino acid excretion in yeast
As a single-celled eukaryote organism, the yeast strain S. cerevisiae has some limitations in terms of how it can be used as a model for more complex multicellular eukaryotes. view more (2006-10-17)
Test for Dioxin Sensitivity in Wildlife Could Result from New Study
Why are chickens so sensitive to dioxins, but terns seem much more resistant, despite their exposure through eating dioxin-tainted fish? The life-or-death difference researchers have found can be partially explained by two amino acids in the chain of 858 amino acids that form one critical protein. view more (2006-05-19)
New Effects Of Herbicides On Plants
The aim of Navarre engineer Ana Zabalza Azn'¡rez's PhD thesis - entitled "The inhibition of the biosynthesis of amino acids in ramified chain and their use as a target-site for herbicides" - was to find out what effects herbicides produce on the metabolism of plants so as to enable a more rational use of them. view more... (2004-01-22)
Saving the single cysteine: new antioxidant system found
We've all read studies about the health benefits of having a life partner. The same thing is true at the molecular level, where amino acids known as cysteines are much more vulnerable to damage when single than when paired up with other cysteines. view more (2009-11-23)
Scientists discover the double life of proteins
Scientists at The Australian National University are a step closer to understanding the rare Hartnup disorder after discovering a surprising link between blood pressure regulation and nutrition that could also help to shed light on intestinal and kidney function. view more (2008-04-30)
Proteins by Design: Penn Biochemists Create New Protein from Scratch
No doubt proteins are complex. Most are "large" and full of interdependent branches, pockets and bends in their final folded structure. This complexity frustrates biochemists and protein engineers seeking to understand protein structure and function in order to reproduce or create new uses for these natural molecules to fight diseases or... view more... (2009-03-24)
Study of nutrients' effects on brain provides insight into appetite regulation
A cell-signaling pathway in the brain that is linked to the development of cancer and diabetes is also a key part of networks that regulate food intake, say University of Cincinnati (UC) researchers. view more (2006-05-12)
Salutary Properties Of Thick Broth
L.A. Lyapina and her colleagues from the Department of Human and Animal Physiology of the Moscow State University have revealed that collagen products rich in proline are necessary for a successful performance of many vital processes in the body. The most common protein of vertebrate animals is collagen; collagenous fibres are found in skin,... view more... (2003-02-20)
A balancing act in Parkinson's disease: Phosphorylation of alpha-synuclein
Both genetic and pathologic data indicate a role for the neuronal protein alpha-synuclein in Parkinson disease. view more (2009-10-13)
Arginine discovery could help fight human obesity
A Texas AgriLife Research scientist and fellow researchers have discovered that arginine, an amino acid, reduces fat mass in diet-induced obese rats and could help fight human obesity. view more (2009-02-05)
New technique sheds light on Alzheimer’s and CJD
Researchers using laser light fired at proteins believe they could be close to identifying the molecular architecture that predisposes certain proteins to become ‘corrupted’ and misfold, causing diseases such as Parkinson’s, Alzheimer’s and the spongiform encaphalopathies, CJD, BSE and scrapie. A new technique, invented by... view more... (2000-11-16)
Scripps Research scientists find early evolution maximized the 'spellchecking' of protein sequences
As letters of the alphabet spell out words, when amino acids are linked to one another in a particular order they "spell out" proteins. view more (2009-08-07)
Mutant Protein Developed By Hebrew University Scientists
A unique technique for neutralizing the action of the leptin protein in humans and animals - thereby providing a means for controlling and better understanding of leptin function, including its role in unwanted cell growth -- has been developed by researchers at the Hebrew University of Jerusalem. view more (2005-03-16)
Illinois Soil Nitrogen Test Measures Microbial Nitrogen
Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. view more (2009-05-12)
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