Amino Acids Current Events

Amino Acids Current Events, Amino Acids News Articles.
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Amino acids in nectar enhance butterfly fecundity: A long awaited link
Recent experiments have shown that butterflies actually prefer nectars with a high amino acid content. In order to determine whether butterflies actually need nectar amino acids, researchers raised map butterfly caterpillars on both nitrogen poor and nitrogen rich stinging nettle. (2005-02-15)

Body building supplement could be bad for the brain
L-norvaline is an ingredient widely used in body building supplements and is promoted as a compound that can boost workouts and aid recovery. Similar compounds have been linked to neurodegenerative diseases and a study on human cells, by scientists from the University of Technology Sydney, suggests L-norvaline may also cause damage to brain cells. (2019-02-06)

Conserved amino acids play both structural and mechanistic roles in sandwich-like protein
A study of azurin has shown that amino acids in this sandwich-like protein are there to stabilize the structure and also to speed up the protein-folding process. The finding could apply to other sandwich-like proteins and might benefit research on diseases related to misfolded proteins. (2005-03-07)

Not all muscle building supplements are equal
Popular muscle building supplements, known as branched-chain amino acids (BCAA) are ineffective when taken in isolation, according to new research from the University of Stirling. (2017-07-14)

Quantum chemistry solves mystery why there are these 20 amino acids in the genetic code
Using quantum chemical methods, a team of researchers led by Dr. Matthias Granold and Professor Bernd Moosmann of the Institute of Pathobiochemistry at Johannes Gutenberg University Mainz solved one of the oldest puzzles of biochemistry. They uncovered why there are 20 amino acids that form the basis of all life today, even though the first 13 amino acids generated over time would have been sufficient to form a comprehensive repertoire of the required functional proteins. (2018-02-01)

Folding biomolecule model shows how form dictates function
Proteins are fundamental macromolecules for life, with a diversity of functions. To perform these functions, what matters is the layout of these proteins' secondary branches. In a new study published in EPJ D, Jorge González from the University of the Basque Country, in Leioa, Spain and colleagues have developed a theoretical method to calculate the most stable disposition that biomolecules try to adopt when they are together, or in close contact in cases where the bonding is weak. (2017-09-13)

AgriLife scientist: Functional amino acids regulate key metabolic pathways
Functional amino acids play a critical role in the development of both animals and humans, according to a Texas AgriLife Research scientist. In a journal article appearing in the American Society for Nutrition (Advances in Nutrition 1:31-37, 2010), Dr. Guoyao Wu, AgriLife Research animal nutritionist and senior faculty fellow in the department of animal science at Texas A&M University, calls for scientists to (2010-11-19)

Genetic code 2.0
The creation of synthetic proteins plays an important role in science. By integrating artificial amino acids into proteins (genetic code engineering), their already existing qualities can be systematically improved, allowing new biological features to arise. Now, scientists at the Max Planck Institute of Biochemistry have taken another important step in this research area: For the first time, they were able to integrate three different synthetic amino acids into one protein in a single experiment. (2010-06-30)

High-altitude weight loss may have an evolutionary advantage
Weight loss at high altitudes -- something universally experienced by climbers and people who move to higher terrain -- may not be a detrimental effect, but rather is likely an evolutionarily-programmed adaptation, according to a new article in BioEssays. (2014-06-16)

Bacteria get new badge as planet's detoxifier
A study published recently in PLOS ONE authored by Dr. Henry Sun and his postdoctoral student Dr. Gaosen Zhang of Nevada based research institute DRI provides new evidence that Earth bacteria can do something that is quite unusual. Despite the fact that these bacteria are made of left-handed (L) amino acids, they are able to grow on right-handed (D) amino acids. (2014-04-03)

New torula yeast product as digestible as fish meal in weanling pig diets
Starting weanling pigs off with the right diet can make all the difference for the health and productivity of the animal. A new University of Illinois study shows amino acids from a new torula yeast product are more digestible by young pigs than amino acids from fish meal. (2020-02-21)

Method Eases Making Amino Acids Critical In Medicinal Chemistry
The synthesis of both left- and right-handed versions of alpha-, beta- and gamma-amino acids is the latest application of a chemical methodology developed at the University of Illinois (1997-05-02)

Researchers determine digestibility of blood products as feed in weanling pigs
Because weanling pigs do not tolerate great quantities of soybean meal in the diet, alternative sources of protein must be used. Blood products, such as blood meal and plasma protein, are common ingredients in weanling pig diets and are considered high-quality sources of amino acids. Researchers at the University of Illinois have determined the amino acid digestibility of five blood products produced in the US to provide swine producers with guidance for the use of these products in formulating diets. (2013-09-05)

Printed biochips
Peptide arrays are powerful tools for developing new medical substances as well as for diagnosis and therapy techniques. A new production method based on laser printing will enable the potential of peptide arrays to be effectively utilized for the first time. (2008-05-29)

Discovery of biomarkers for the prognosis of chronic kidney disease
Currently, there is no effective method to predict the prognosis of chronic kidney disease (CKD) patients. Tomonori Kimura and Yoshitaka Isaka, researchers in Department of Nephrology, Osaka University, found that measuring D-amino acids, which present only trace in human, provides prognostic information of CKD. The present discovery would facilitate CKD treatment and thus improve the prognosis of CKD, and may also lead to the further discovery of novel therapy. (2016-07-28)

Starving pancreatic cancer cells: Scientists identify potential pancreatic cancer target
Researchers have found that a protein called SLC6A14 is overexpressed by several fold in pancreatic tumors taken from patients and in cancerous pancreatic cells lines compared with normal pancreatic tissue or normal pancreatic cells. SLC6A14 transports amino acids into cells to help with cellular metabolism. (2016-10-17)

Researchers look at lower-cost alternative protein source for pig diets
Threonine is an indispensable amino acid, which is often provided in supplement form in swine diets. With US production of crystalline amino acids increasing, more co-products from amino acid production are becoming available, and these co-products can also be fed to pigs. Researchers at the University of Illinois are investigating a co-product of synthetic threonine as a lower-cost alternative protein source to fish meal. (2015-06-11)

The sound of proteins
Biologists have converted protein sequences into classical music in an attempt to help vision-impaired scientists and boost the popularity of genomic biology. New research published today in the open access journal Genome Biology describes how researchers have found a way to present human proteins as musical notes. (2007-05-03)

Wheat coproducts vary in protein digestibility when fed to pigs
Research from the University of Illinois is helping to determine the quality of protein in wheat middlings and red dog, two coproducts of the wheat milling process that can be included in diets fed to pigs and other livestock. (2017-06-19)

Scientists found a connection between amino acid metabolism and joint hypermobility in autistic children
A team of researchers found out that children with autistic spectrum disorder (ASD) have increased levels of the amino acid hydroxyproline. According to the medics, this may be associated with joint hypermobility, a common symptom in ASD patients. This information can help improve anti-ASD therapy. (2020-09-29)

New Software Improves Accuracy Of Amino Acid Sequence Identification
Researchers at Ohio University have developed computer software that identifies sequences of amino acids in proteins more accurately than current identification software programs. The software could aid scientists working to isolate genes in the body, a process that includes identifying proteins by their amino acid sequences (1997-02-11)

Study leads to better understanding of blood pressure regulation, atherosclerosis
A new University of Kentucky College of Medicine study provides insight into how a protein called angiotensinogen contributes to blood pressure regulation and atherosclerosis. (2020-09-02)

Cellular pathway could provide evidence of how cancer and obesity are linked
University of Alberta researcher Richard Lamb is on his way to understanding the correlation between cancer and obesity and it's a good example of how the scientific process works. (2010-03-15)

Extraterrestrial enigma: missing amino acids in meteorites
Amino acids have been found in interstellar clouds and in meteorites - but with some enigmatic omissions and tantalizing similarities to life on Earth. Just why some amino acids are present in meteorites and others are absent, and why they seem to prefer the same (2003-11-03)

Brain cells that control appetite identified for first time
Dieting could be revolutionized, thanks to the groundbreaking discovery by the University of Warwick of the key brain cells which control our appetite. (2017-09-27)

Coming soon -- Protein synthesis without amino acids?
In the journal Angewandte Chemie, Chinese researchers report convenient method that is similar to olefin polymerization and uses inexpensive imines and CO as starting materials instead of amino acids. (2007-07-19)

Abnormal branched-chain amino acid breakdown may raise diabetes risk
A new study suggests that the irregular metabolism of branched-chain amino acids -- components of proteins found in many foods -- may be partially to blame for progression to type 2 diabetes. (2018-07-05)

Replacing soybean meal in pig diets
Canola, cottonseed, and sunflower products can replace soybean meal in diets fed to pigs, but they contain less protein and energy. To determine if it makes economic sense to use them, producers need to know the concentrations and digestibility of the nutrients they contain. To help them make the decision, University of Illinois researchers examined amino acid digestibility for these products. (2013-02-28)

How do cells sense glutamine and control their autophagy and activation?
Scientists at Osaka University clarified that the Pib2 complex directly bound to glutamine in yeast cells, which activated a signaling pathway for cell growth by suspending autophagy. (2018-05-01)

Origin of life insight: peptides can form without amino acids
Peptides, one of the fundamental building blocks of life, can be formed from the primitive precursors of amino acids under conditions similar to those expected on the primordial Earth, finds a new UCL study published in Nature. (2019-07-10)

Ancient asteroid impacts created the ingredients of life on Earth and Mars
A new study reveals that asteroid impact sites in the ocean may possess a crucial link in explaining the formation of the essential molecules for life. The study discovered the emergence of amino acids that serve as the building blocks for proteins - demonstrating the role of meteorites in bringing life's molecules to earth, and potentially Mars. (2020-06-08)

Essential components of dietary restriction revealed
Studies by Monash Biomedicine Discovery Institute (BDI), have provided a new understanding into the roles two essential amino acids play in metabolic health, which may help scientists in the fight against obesity. (2020-06-09)

Quality control is vital for the energy production of cells
Researchers have uncovered a mitochondrial error-correction mechanism, which is vital for the construction of the mitochondrial respiratory chain and the energy production of cells. (2017-12-11)

Discovery demystifies origin of life phenomenon
Biomolecules, if large enough (several nanometers) and with an electrical charge, will seek their own type with which to form large assemblies. This 'self-recognition' of left-handed and right-handed molecule pairs is featured in the March 10, 2015, issue of Nature Communications. (2015-03-11)

'Bilingual' molecule connects two basic codes for life
'Much like a translator enables communication between two people from different regions of the world, we envision that our bilingual molecule will enable us to mediate new forms of communications between nucleic acids and proteins in the cellular environment,' says Jennifer Heemstra, associate professor of chemistry at Emory University. (2020-01-09)

High-protein canola meal beneficial for growing pigs
A new study at the University of Illinois has determined that high-protein canola meal could prove to be a valuable ingredient in swine diets. (2016-02-29)

MIT researchers unravel bacteria communication pathways
MIT researchers have figured out how bacteria ensure that they respond correctly to hundreds of incoming signals from their environment. The researchers also successfully rewired the cellular communications pathways that control those responses, raising the possibility of engineering bacteria that can serve as biosensors to detect chemical pollutants. (2008-06-12)

Unfolding 'nature's origami'
Sometimes known as (2009-03-02)

Rotational motion detected in gates controlling nerve impulses
Scientists who performed the first direct measurement of voltage-induced distance changes in ion channels -- critical components of the nervous system -- have reached a surprising conclusion. The amino acids in the voltage sensor, they report, move like keys turning in locks, not like the simple plungers that were predicted by current models. (2000-02-01)

Repetitive motion speeds nanoparticle uptake
Newly published research by Rice University chemists and North Carolina State University toxicologists finds that repetitive movement can speed the uptake of nanoparticles through the skin. The research is based on in vitro experiments involving animal skin that was exposed to buckyball-containing amino acids. It appears in the January 10 issue of the American Chemical Society's journal Nano Letters. (2007-01-04)

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