News tagged with molecular cell
Scientists create first 3-D map of human genome
(PhysOrg.com) -- For the first time, scientists have developed a method for generating accurate three-dimensional models of the entire DNA strand of a cell, known as a genome.
Jan 04, 2012 |
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Enzyme corrects more than one million faults in DNA replication
Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
May 10, 2012 |
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Discovery of extremely long-lived proteins may provide insight into cell aging
One of the big mysteries in biology is why cells age. Now scientists at the Salk Institute for Biological Studies report that they have discovered a weakness in a component of brain cells that may explain ...
Feb 03, 2012 |
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Cell membrane is patterned like a patchwork quilt
(Phys.org) -- As the interface between the cell and its environment, the cell membrane, which consists of fats and proteins, fulfils a variety of vital functions. Scientists at the Max Planck Institute of ...
May 05, 2012 |
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Honeycomb structure responsible for bacteria's extraordinary sense
(PhysOrg.com) -- Cornell researchers have peered into the complex molecular network of receptors that give one-celled organisms like bacteria the ability to sense their environment and respond to chemical ...
Feb 20, 2012 |
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Star Wars-inspired bacterium provides glimpse into life
(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Dec 09, 2011 |
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Scientists open new window into how cancers override cellular growth controls
Rapidly dividing cancer cells are skilled at patching up damage that would stop normal cells in their tracks, including wear and tear of telomeres, the protective caps at the end of each chromosome.
Mar 21, 2012 |
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Pigeons' navigation skill not down to iron-rich beak cells: study
The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.
Apr 11, 2012 |
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Biochemical cell signals quantified for first time
Just as cell phones and computers transmit data through electronic networks, the cells of your body send and receive chemical messages through molecular pathways. The term "cell signaling" was coined more than 30 years ago ...
Sep 15, 2011 |
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Scientists find stem cell reprogramming technique is safer than previously thought
Stem cells made by reprogramming patients' own cells might one day be used as therapies for a host of diseases, but scientists have feared that dangerous mutations within these cells might be caused by current reprogramming ...
Oct 06, 2011 |
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Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
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Aluminum alloy overcomes obstacles on the path to making hydrogen a practical fuel source
Hydrogen offers great promise as a renewable energy source. It's staggeringly plentiful (the most abundant element in the Universe) and environmentally friendly (used in a fuel cell, it gives off only water). Unfortunately, ...
Nov 01, 2011 |
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Unique bipolar compounds enhance functionality of organic electronics
Researchers often work with a narrow range of compounds when making organic electronics, such as solar panels, light emitting diodes and transistors. Professor Tim Bender and Ph.D. Candidate Graham Morse of University of ...
Nov 05, 2011 |
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Making molecular hydrogen more efficiently
(PhysOrg.com) -- When it comes to the industrial production of chemicals, often the most indispensable element is one that you can't see, smell, or even taste. It's hydrogen, the lightest element of all.
Dec 09, 2011 |
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Researchers present a shiny new tool for imaging biomolecules
At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals ...
Mar 23, 2012 |
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