News tagged with human genes
Related topics: genes
Researchers solve structure of human protein critical for silencing genes
In a study published in the journal Cell on May 24, Cold Spring Harbor Laboratory (CSHL) scientists describe the three-dimensional atomic structure of a human protein bound to a piece of RNA that "guides" the pr ...
May 25, 2012 |
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New technique reveals unseen information in DNA code
Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish "g" from "q." What details did you miss? Geneticists faced a similar problem with the recent discovery ...
May 17, 2012 |
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Researchers reveal an RNA modification influences thousands of genes
Over the past decade, research in the field of epigenetics has revealed that chemically modified bases are abundant components of the human genome and has forced us to abandon the notion we've had since high school genetics ...
May 17, 2012 |
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Sex with Neanderthals and Denisovans gave healthy boost to human genome: study
For a few years now, scientists have known that humans and their evolutionary cousins had some casual flings, but now it appears that these liaisons led to a more meaningful relationship.
Aug 25, 2011 |
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Biologists discover how yeast cells reverse aging
Human cells have a finite lifespan: They can only divide a certain number of times before they die. However, that lifespan is reset when reproductive cells are formed, which is why the children of a 20-year-old ...
Jun 24, 2011 |
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'Dark matter' of the genome revealed through analysis of 29 mammals
An international team of researchers has discovered the vast majority of the so-called "dark matter" in the human genome, by means of a sweeping comparison of 29 mammalian genomes. The team, led by scientists from the Broad ...
Oct 12, 2011 |
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Nanochannel electroporation: Researchers do precise gene therapy without a needle
For the first time, researchers have found a way to inject a precise dose of a gene therapy agent directly into a single living cell without a needle.
Nanotechnology / Bio & Medicine
Oct 16, 2011 |
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Control of gene expression: Histone occupancy in your genome
When stretched out, the genome of a single human cell can reach six feet. To package it all into a tiny nucleus, the DNA strand is tightly wrapped around a core of histone proteins in repeating units—each ...
Apr 30, 2012 |
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Vitamin D found to influence over 200 genes, highlighting links to disease
The extent to which vitamin D deficiency may increase susceptibility to a wide range of diseases is dramatically highlighted in research published today. Scientists have mapped the points at which vitamin D interacts with ...
Aug 23, 2010 |
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A knockout resource for mouse genetics
An international consortium of researchers report today in Nature that they have knocked out almost 40 per cent of the genes in the mouse genome. The completed resource will power studies of gene activity in models of hum ...
Jun 15, 2011 |
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From embryonic stem cells, a sperm replacement and easier path to genetic modification
Researchers reporting in the April 27 issue of the journal Cell have devised a new and improved method for producing genetically modified animals for use in scientific research. The method relies on haploi ...
Apr 26, 2012 |
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Scientists discover multiple gene switches in Salmonella, offer new ways to curb infection
Scientists have discovered multiple gene switches in Salmonella that offer new ways to curb human infection. The discovery of the mechanisms of gene regulation could lead to the development of antibiotics to reduce the le ...
Apr 23, 2012 |
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Study uncovers how DNA unfolds for transcription
(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...
Jan 17, 2012 |
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New top-down strategy of identifying proteins could lead to early detection of disease
The human genome has been mapped. Now, it's on to proteins, a much more daunting task. There are 20,300 genes, but there are millions of distinct protein molecules in our bodies. Many of these hold keys to understanding disease ...
Oct 30, 2011 |
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'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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