News tagged with dna loops
Surprise in genome structure linked to developmental diseases
A team of researchers from Whitehead Institute, MIT, University of Colorado, and University of Massachusetts have discovered that each cell type in our bodies has a unique genome structure, which is due to a newly discovered ...
Aug 18, 2010 |
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Single-stranded DNA-binding protein is dynamic, critical to DNA repair
Researchers report that a single-stranded DNA-binding protein (SSB), once thought to be a static player among the many molecules that interact with DNA, actually moves back and forth along single-stranded ...
Oct 21, 2009 |
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All tied up: Tethered protein provides long-sought answer
The tools of biochemistry have finally caught up with lactose repressor protein. Biologists from Rice University in Houston and the University of Florence in Italy this week published new results about "lac ...
Sep 22, 2009 |
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Important new model shows how proteins find the right DNA sequences
(PhysOrg.com) -- Researchers at Uppsala University and Harvard University have collaboratively developed a new theoretical model to explain how proteins can rapidly find specific DNA sequences, even though ...
Mar 16, 2009 |
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Search results for dna loops
Ocean microbe communities changing, but long-term environmental impact is unclear
As oceans warm due to climate change, water layers will mix less and affect the microbes and plankton that pump carbon out of the atmosphere – but researchers say it's still unclear whether these processes ...
Space & Earth / Earth Sciences
Feb 09, 2012 |
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The search for life's stirrings
Scientists studying how life arose on Earth are stumped by several key steps in that eventual process, but a Harvard scientist studying the earliest cells says that seemingly intractable problems in this field ...
Feb 07, 2012 |
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Small things, big thinking
Finely tuned for touch and smell, the fly foot has sensors that can detect both chemical and mechanical changes in the environment. The outcome of more than three billion years of evolution, these sensors are far smaller ...
Jan 20, 2012 |
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Backing out of the nanotunnel: New method for nucleic acid analysis
Nanopores provide a versatile tool for probing molecular structures. A new German study shows that one can obtain more detailed information about the dynamic behavior of nucleic acids during passage through nanopores by directing ...
Jan 10, 2012 |
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Chemists devise a way to create a five point knotted molecule
(PhysOrg.com) -- Chemists have for a long time been interested in a type of molecule that is literally tied up into a knot. This is where atoms are bonded together to form strands, which are then twisted around ...
Dec 30, 2011 |
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New light shed on chromosome fragility
Why are certain chromosome regions prone to breakages? The answer is crucial, as this fragility is involved in the development of tumors. A team from the Institut de Génétique et de Biologie Moleculaire et Cellulaire ...
Dec 26, 2011 |
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Researchers identify a novel therapeutic approach for liver cancer
Cancer of the liver – rare in the United States but the third-leading cause of cancer death worldwide – can result from environmental exposures or infections like chronic hepatitis, but the link ...
Dec 09, 2011 |
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Seeing cancer in three dimensions
One of the hallmarks of cancer cells is that certain regions of their DNA tend to get duplicated many times, while others are deleted. Often those genetic alterations help the cells become more malignant — ...
Nov 21, 2011 |
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One for you, one for me: Researchers gain new insight into the chromosome separation process
Each time a cell divides -- and it takes millions of cell divisions to create a fully grown human body from a single fertilized cell -- its chromosomes have to be accurately divvied up between both daughter ...
Nov 17, 2011 |
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Scientists reveal key barrier to reprogramming human zygotes
(Medical Xpress) -- New research from Howard Hughes Medical Institute (HHMI) scientists pinpoints a biological barrier that has thus far slowed progress in creating disease-specific stem cell lines using a technique known ...
Oct 06, 2011 |
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List of search results for dna loops
