News tagged with cytosine
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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New type of extra-chromosomal DNA discovered
(PhysOrg.com) -- A team of scientists from the University of Virginia and University of North Carolina in the US have discovered a previously unidentified type of small circular DNA molecule occurring outside ...
Mar 09, 2012 |
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Researchers suspend, image single DNA molecules
(PhysOrg.com) -- Studying chemical modifications in the chromosomes of cells is akin to searching for changes in coiled spaghetti. Scientists at Cornell have figured out how to stretch out tangled strands ...
Chemistry / Analytical Chemistry
Oct 31, 2011 |
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Carbon nanotubes show promise for high-speed genetic sequencing (w/ Video)
Faster sequencing of DNA holds enormous potential for biology and medicine, particularly for personalized diagnosis and customized treatment based on each individual's genomic makeup. At present however, ...
Nanotechnology / Nanomaterials
Dec 31, 2009 |
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Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications
A ghostly property of matter, called quantum tunneling, may aid the quest for accurate, low-cost genomic sequencing, according to a new paper in Nature Nanotechnology Letters by Stuart Lindsay and his collab ...
Nanotechnology / Bio & Medicine
Mar 22, 2009 |
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Biochemists identify new genetic code repair tool
Clemson University researchers recently reported finding a new class of DNA repair-makers.
Sep 27, 2011 |
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Carbon nanotubes show promise for high-speed genetic sequencing
(PhysOrg.com) -- Faster sequencing of DNA holds enormous potential for biology and medicine, particularly for personalized diagnosis and customized treatment based on each individual's genomic makeup. At present ...
Nanotechnology / Bio & Medicine
Jan 06, 2010 |
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Scientists identify key factor that controls HIV latency
Scientists at the Gladstone Institutes of Virology and Immunology (GIVI) have found another clue that may lead to eradication of HIV from infected patients who have been on antiretroviral therapy. A real cure for HIV has ...
Medicine & Health / HIV & AIDS
Jun 26, 2009 |
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New labeling method expands ability to read DNA modification
Researchers at Emory University School of Medicine and the University of Chicago have developed a method for labeling and mapping a "sixth nucleotide," whose biological role scientists are only beginning to explore.
Dec 13, 2010 |
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DNA template could explain evolutionary shifts
Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even ...
Jun 21, 2009 |
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A 'wild card' in your genes
The human genome and the endowments of genes in other animals and plants are like a deck of poker cards containing a "wild card" that in a genetic sense introduces an element of variety and surprise that has ...
Dec 07, 2011 |
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Study discovers role of DNA methylation in multiple myeloma blood cancer
Sept. 30, 2010 — DNA methylation — a modification of DNA linked to gene regulation — is altered with increasing severity in a blood cancer called multiple myeloma, according to a study by Mayo Clinic and the Translational ...
Sep 30, 2010 |
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Cytosine
Cytosine (C) is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2). The nucleoside of cytosine is cytidine. In Watson-Crick base pairing, it forms three hydrogen bonds with guanine.
For more information about Cytosine, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
