News tagged with gap genes
'Junk DNA' defines differences between humans and chimps
For years, scientists believed the vast phenotypic differences between humans and chimpanzees would be easily explained – the two species must have significantly different genetic makeups. However, when ...
Oct 25, 2011 |
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Proteins enable essential enzyme to maintain its grip on DNA
Scientists have identified a family of proteins that close a critical gap in an enzyme that is essential to all life, allowing the enzyme to maintain its grip on DNA and start the activation of genes.
Jul 21, 2011 |
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Evolutionary biology experiment may one day help with chronic diseases
Working to better predict general patterns of evolution, a University of Houston (UH) biologist and his team have discovered some surprising things about gene mutations that might one day make it possible ...
Jun 02, 2011 |
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Developing fruit fly embryo is capable of genetic corrections
Animals have an astonishing ability to develop reliably, in spite of variable conditions during embryogenesis. New research, published in parallel this week in PLoS Biology and PLoS Computational Biology, ...
Mar 10, 2009 |
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How environmental effects regulate genes
Swiss researchers provide evidence that a protein in the cell nucleus responds to environmental stimuli like a kind of sensor, regulates genes accordingly and thus exchanges information with the cell memory. ...
May 22, 2012 |
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New 'Map of Life' project aims to show distribution of all animals, plants on planet
A research team involving Yale University and the University of Colorado Boulder has developed a first public demonstration version of its "Map of Life," an ambitious Web-based endeavor designed to show the distribution of ...
May 10, 2012 |
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It's a trap! New laboratory technique captures microRNA targets
Human cells are thought to produce thousands of different microRNAs (miRNAs)—small pieces of genetic material that help determine which genes are turned on or off at a given time. miRNAs are an important ...
May 09, 2012 |
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Cells on the move
Cells on the move reach forward with lamellipodia and filopodia, cytoplasmic sheets and rods supported by branched networks or tight bundles of actin filaments. Cells without functional lamellipodia are still ...
Apr 09, 2012 |
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Evolution in action: Genetic study may answer why we have plenty of fish in the sea
(PhysOrg.com) -- Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the ...
Apr 04, 2012 |
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From beaker to bits: Collaboration creates computational model of human tissue
Computer scientists and biologists in the Data Science Research Center at Rensselaer Polytechnic Institute have developed a rare collaboration between the two very different fields to pick apart a fundamental roadblock to ...
Apr 02, 2012 |
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Inside a plant's pharma factory
A newly discovered enzyme brings scientists one step closer to understanding how plants manufacture a molecule with potent medicinal properties.
Mar 30, 2012 |
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Scientists discover how a bacterial pathogen breaks down barriers to enter and infect cells
Scientists from the Schepens Eye Research Institute, a subsidiary of Mass. Eye and Ear and affiliate of Harvard Medical School, have found for the first time that a bacterial pathogen can literally mow down protective molecules, ...
Mar 08, 2012 |
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Analyzing complex plant genomes with the newest next-generation DNA sequencing techniques
Genomes are catalogs of hereditary information that determine whether an organism becomes a plant, animal, fungus or microbe, and whether the organism is adapted to its surroundings. Determining the sequence ...
Feb 27, 2012 |
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The developing genome? More than just packaging, the genome affects the way our genes change and develop
Since Charles Darwin first put forth the theory of evolution, scientists have been trying to unlock the mysteries of genetics. But research on the genome — the organism's entire hereditary package encoded in DNA and ...
Feb 13, 2012 |
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