News tagged with transcription start
Reversing the conventional DNA wisdom
Biology /
Dec 04, 2008 |
4.3 / 5 (18) |
2
(PhysOrg.com) -- The copying of DNA's master instructions into messenger molecules of RNA, a process known as DNA transcription, has always been thought to be a unidirectional process whereby a copying machine starts and ...
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Rewrite the textbooks: Transcription is bidirectional
Biology /
Jan 25, 2009 |
4.6 / 5 (9) |
1
Genes that contain instructions for making proteins make up less than 2% of the human genome. Yet, for unknown reasons, most of our genome is transcribed into RNA. The same is true for many other organisms that are easier ...
Scientists develop tool to study a deadly parasite’s histone code
May 14, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- In the Japanese art of paper folding, a series of folds can make the same sheet of paper into a ballerina or baby elephant. But try unfolding the baby elephant and making it into a ballerina. It’s like trying ...
How RNA polymerase II gets the go-ahead for gene transcription
Oct 09, 2009 |
not rated yet |
0
All cells perform certain basic functions. Each must selectively transcribe parts of the DNA that makes up its genome into RNAs that specify the structure of proteins. The set of proteins synthesized by a cell in turn determines ...
Putting microRNAs on the stem cell map
Biology /
Aug 07, 2008 |
5 / 5 (2) |
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Embryonic stem cells are always facing a choice—either to self-renew or begin morphing into another type of cell altogether. It's a tricky choice, governed by complex gene regulatory circuitry driven by a handful of key regulators ...
No-entry zones for AIDS virus
Medicine & Health / HIV & AIDS
Nov 12, 2009 |
not rated yet |
0
The AIDS virus inserts its genetic material into the genome of the infected cell. Scientists of the German Cancer Research Center have now shown for the first time that the virus almost entirely spares particular ...
Gene regulation in humans is closer than expected to simple organisms
Aug 29, 2007 |
4.5 / 5 (8) |
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Using a novel method developed to identify reliably functional binding motifs, researchers from the Weizmann Institute of Science in Israel have performed a genome-wide study of functional human transcription factor binding ...
Gene regulates immune cells' ability to harm the body
Jul 17, 2009 |
5 / 5 (2) |
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A recently identified gene allows immune cells to start the self-destructive processes thought to underlie autoimmune diseases such as multiple sclerosis (MS) and rheumatoid arthritis, researchers at Washington University ...
Genetic discovery could lead to advances in dental treatment
Feb 23, 2009 |
5 / 5 (4) |
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Researchers have identified the gene that ultimately controls the production of tooth enamel, a significant advance that could some day lead to the repair of damaged enamel, a new concept in cavity prevention, and restoration ...
Scientists identify key roadblock to gene expression
Biology /
May 08, 2008 |
3.2 / 5 (6) |
0
A team of scientists has provided, for the first time, a detailed map of how the building blocks of chromosomes, the cellular structures that contain genes, are organized in the fruit fly Drosophila melanogaster. ...
Early-stage gene transcription creates access to DNA
Oct 06, 2008 |
5 / 5 (4) |
0
A gene contained in laboratory yeast has helped an international team of researchers uncover new findings about the process by which protein molecules bind to control sequences in genes in order to initiate gene expression, ...
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