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Meteorites are rich in the building blocks of life, claims new research
Amino acids that are the building blocks of life have been found in their highest ever concentration in two ancient meteorites which crashed to Earth millions of years ago, scientists claim today. view more (2008-03-14)
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. view more (2007-05-03)
At that star, turn left!
Our bodies contain proteins that are made of smaller molecules that can be either left- or right-handed, depending upon their structure. Regardless of which hand we use to write, however, all human beings are `left-handed` at the molecular level. Life on Earth uses the left-handed variety and no one knows how this preference crept into living... view more... (2002-10-17)
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. view more (2008-06-13)
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. view more (2007-01-05)
Meteorites delivered the 'seeds' of Earth's left-hand life
Flash back three or four billion years - Earth is a hot, dry and lifeless place. All is still. Without warning, a meteor slams into the desert plains at over ten thousand miles per hour. With it, this violent collision may have planted the chemical seeds of life on Earth. view more (2008-04-07)
Coding for arthropods-what's so special about insects and spiders?
The central dogma of molecular biology is that DNA makes RNA makes protein. This relies on a specific underlying code which relates given triplets of RNA nucleotides into specific amino acids. view more (2006-04-25)
Meteorites a rich source for primordial soup
The organic soup that spawned life on Earth may have gotten generous helpings from outer space, according to a new study. Scientists at the Carnegie Institution have discovered concentrations of amino acids in two meteorites that are more than ten times higher than levels previously measured in other similar meteorites. view more (2008-03-14)
'Fishy' clue helps establish how proteins evolve
Three billion years ago, a "new" amino acid was added to the alphabet of 20 that commonly make up proteins in organisms today. Now researchers at Yale and the University of Tokyo have demonstrated how this rare amino acid - and, by example, other amino acids - made its way into the menu for protein synthesis. view more (2009-01-28)
Rebuilding the evolutionary history of HIV-1 unravels a complex loop
An essential component of the human immunodeficiency virus (HIV-1) molecular machinery responsible for infecting cells consists of functionally-specialized layers, according to a study by investigators at the University of California San Diego (UCSD) Antiviral Research Center (AVRC), published November 23 in PLoS Computational Biology. view more (2007-11-26)
Researchers identify new target in fight against obesity
University of Cincinnati (UC) scientists have identified a possible new target for treating obesity and diabetes. view more (2005-09-20)
Scientists crack 40-year-old DNA puzzle and point to 'hot soup' at the origin of life
A new theory that explains why the language of our genes is more complex than it needs to be also suggests that the primordial soup where life began on earth was hot and not cold, as many scientists believe. view more (2005-08-03)
NASA Scientists Find Clues to a Secret of Life
NASA scientists analyzing the dust of meteorites have discovered new clues to a long-standing mystery about how life works on its most basic, molecular level. view more (2009-03-18)
Study reveals surprising details of the evolution of protein translation
A new study of transfer RNA, a molecule that delivers amino acids to the protein-building machinery of the cell, challenges long-held ideas about the evolutionary history of protein synthesis. view more (2008-08-13)
The shape of allergy - what makes an allergen an allergen
An enduring mystery for allergy researchers has been the unpredictable distribution of allergens in plants. For example, being allergic to birch pollen can predispose a person to allergy from distantly related plant foods such as celery, apple or soy. view more (2005-01-07)
Folding Proteins on a Computer
Proteins only function when properly folded In order for enzymatic reactions to proceed correctly, the enzyme and substrate must fit together as precisely as a lock and key. The function of the enzyme and protein is determined by the structure of the latter. The chain of amino acids that makes up the protein thus has to fold in a very precise... view more... (2001-01-19)
ASU researcher may have discovered key to life before its origin on Earth
An important discovery has been made with respect to the mystery of "handedness" in biomolecules. Researchers led by Sandra Pizzarello, a research professor at Arizona State University, found that some of the possible abiotic precursors to the origin of life on Earth have been shown to carry "handedness" in a larger number than... view more... (2008-02-29)
Scientists discover novel way to remove iron from ferritin
A new study led by Children's Hospital Oakland Research Institute senior scientist, Elizabeth Theil, Ph.D., is the first to suggest that a small protein or heptapeptide (seven amino acids wrapped into one unit) could be used to accelerate the removal of iron from ferritin. view more (2007-11-05)
Model tissue system reveals cellular communication via amino acids
A team of researchers from the Massachusetts General Hospital Center for Engineering in Medicine (MGH-CEM) has found the first evidence of cell-to-cell communication by amino acids, the building blocks of proteins, rather than by known protein signaling agents such as growth factors or cytokines. view more (2009-04-06)
Gene research gets faster thanks to Aston University team
Aston University researchers have won a BBSRC research grant worth over £300,000 to study one of the most exciting areas of science today - biomolecular interactions. The Aston research team has invented a better, more effective method of randomising genes for laboratory research. Dr Anna Hine, who is leading the research and was the primary... view more... (2001-04-10)
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