Related topics: genes , dna , genome , dna sequences
Human genome
hideThe human genome is the genome of Homo sapiens, which is stored on 23 chromosome pairs. Twenty-two of these are autosomal chromosome pairs, while the remaining pair is sex-determining. The haploid human genome occupies a total of just over 3 billion DNA base pairs. The Human Genome Project (HGP) produced a reference sequence of the euchromatic human genome, which is used worldwide in biomedical sciences.
The haploid human genome contains an estimated 20,000–25,000 protein-coding genes, far fewer than had been expected before its sequencing. In fact, only about 1.5% of the genome codes for proteins, while the rest consists of RNA genes, regulatory sequences, introns and (controversially) "junk" DNA.
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News tagged with human genome
Scientists map out regulatory regions of genome, hot spots for diabetes genes
Feb 02, 2010 |
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Together with colleagues in Barcelona, researchers at the University of North Carolina at Chapel Hill have generated a complete map of the areas of the genome that control which genes are "turned on" or "off." The discovery, ...
Software reveals the inner workings of the human genome
Jan 12, 2010 |
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(PhysOrg.com) -- A biologist and computer scientist seek sites of RNA editing, a phenomenon that plays a key role in human genetic complexity.
New approach precisely tracks evolution's footprints in the human genome
Jan 07, 2010 |
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(PhysOrg.com) -- Fossils may provide tantalizing clues to human history but they also lack some vital information, such as revealing which pieces of human DNA have been favored by evolution because they confer ...
Viral phenomenon: Ancient microbe invaded human DNA
Jan 06, 2010 |
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Humans carry in their genome the relics of an animal virus that infected their forerunners at least 40 million years ago, according to research published Wednesday by the British science journal Nature.
Broken genomes behind breast cancers
Dec 23, 2009 |
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The first detailed search of breast cancer genomes to uncover genomic rearrangements is published today. The team characterised the ways in which the human genome is broken and put back together in 24 cases of breast cancer.
Genome advances promise personalized medical treatment
Nov 18, 2009 |
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A whirlwind of activity is under way to apply the findings of the $3 billion Human Genome Project to improve health care in the United States and around the world.
Singapore scientists describe novel method for 3-D whole genome mapping research
Nov 04, 2009 |
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In this week's Nature, Genome Institute of Singapore (GIS) scientists report a technological advance in the study of gene expression and regulation in the genome's three-dimensional folding and looping state through the de ...
Study sheds light on evolution of human complexity
Nov 03, 2009 |
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(PhysOrg.com) -- A painstaking analysis of thousands of genes and the proteins they encode shows that human beings are biologically complex, at least in part, because of the way humans evolved to cope with redundancies arising ...
Study conclusively ties rare disease gene to Parkinson's
Oct 21, 2009 |
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An international team led by a National Institutes of Health researcher has found that carriers of a rare, genetic condition called Gaucher disease face a risk of developing Parkinson's disease more than five times greater ...
What drives our genes? Researchers map the first complete human epigenome
Oct 14, 2009 |
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Although the human genome sequence faithfully lists (almost) every single DNA base of the roughly 3 billion bases that make up a human genome, it doesn't tell biologists much about how its function is regulated. Now, researchers ...
Scientists use math modeling to predict unknown biological mechanism of regulation
Oct 14, 2009 |
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A team of scientists, led by a biomedical engineer at The University of Texas at Austin, have demonstrated - for the first time - that mathematical models created from data obtained by DNA microarrays, can ...
Gene data tool advances prospects for personalized medicine
Oct 09, 2009 |
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A sophisticated computational algorithm, applied to a large set of gene markers, has achieved greater accuracy than conventional methods in assessing individual risk for type 1 diabetes.
Establishing standard definitions for genome sequences
Oct 08, 2009 |
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In 1996, researchers from major genome sequencing centers around the world convened on the island of Bermuda and defined a finished genome as a gapless sequence with a nucleotide error rate of one or less ...
Scientists decipher the 3-D structure of the human genome
Oct 08, 2009 |
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(PhysOrg.com) -- Scientists have deciphered the three-dimensional structure of the human genome, paving the way for new insights into genomic function and expanding our understanding of how cellular DNA folds ...
Jumping genes, gene loss and genome dark matter
Oct 07, 2009 |
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In research published today by Nature, an international team describes the finest map of changes to the structure of human genomes and a resource they have developed for researchers worldwide to look at the ...
