News tagged with dna polymerase
Research into possible Woodchester wild cat finds no cat DNA on deer
Extensive DNA tests by experts at the University of Warwick on two deer carcasses found in Gloucestershire have not found any indication of a big cat presence.
Feb 01, 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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Structure of a molecular copy machine: How mitochondrial genes are transcribed
Mitochondria are compartments within cells and have their own DNA. The key protein required for the expression of the genetic information in this DNA is the mitochondrial RNA polymerase enzyme. Its three-dimensional structure ...
Sep 26, 2011 |
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Olaparib shows promise in treating ovarian cancer, even without BRCA mutations
The PARP inhibitor, olaparib, that has shown promise in women with an inherited mutation in their BRCA1 or BRCA2 gene (accounting for about 5-10% of breast and ovarian cancer cases), has, for the first time, been shown to ...
Aug 21, 2011 |
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Researchers reveal a new mechanism of genomic instability
Researchers at NYU School of Medicine have discovered the cellular mechanisms that normally generate chromosomal breaks in bacteria such as E. coli. The study's findings are published in the August 18 issue of the journal ...
Aug 18, 2011 |
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Technology reveals citrus greening-infected trees
U.S. Department of Agriculture (USDA) scientists are using a technology known as "Fourier transform infrared-attenuated total reflection" (FTIR-ATR) spectroscopy to rapidly identify with 95 percent accuracy citrus plant leaves ...
Aug 08, 2011 |
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'Megapixel' DNA replication technology promises faster, more precise diagnostics
UBC researchers have developed a DNA measurement platform that sets dramatic new performance standards in the sensitivity and accuracy of sample screening.
Jul 03, 2011 |
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New type of MRSA in hospitalized patients probably of animal origin
A distinctly new type of methicillin resistant Staphylococcus aureus (MRSA) that is not detected by traditional genetic screening methods has been discovered in patients in Irish hospitals according to research to be pub ...
Jun 02, 2011 |
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Deer tick bacteria DNA in joint fluid not reliable marker of active lyme arthritis
New research shows that polymerase chain reaction (PCR) testing for Borrelia burgdorferi DNA—the spirochetal bacteria transmitted by deer ticks—in joint fluid may confirm the diagnosis of Lyme arthritis, but is ...
May 17, 2011 |
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Molecular technique advances soybean rust resistance research
A new tool is available to select for soybean rust resistance in breeding populations, said Glen Hartman, University of Illinois professor of crop sciences and USDA-ARS scientist. Hartman and his team of researchers ...
May 16, 2011 |
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Scientists observe single gene activity in living cells
Researchers at Albert Einstein College of Medicine of Yeshiva University have for the first time observed the activity of a single gene in living cells. In an unprecedented study, published in the April 22 online edition ...
Apr 21, 2011 |
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Want to silence a gene? Pull here
(PhysOrg.com) -- Simply stretching DNA can silence a gene, scientists at the UA have discovered. The finding could point to a previously unknown gene control mechanism.
Mar 21, 2011 |
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Stop and go: How the cell deals with transcriptional roadblocks
Gene transcription is central to cell function, as it converts the information stored in the DNA into RNA molecules of defined sequence, which then program protein synthesis. The enzyme RNA polymerase II (Pol II) is responsible ...
Feb 23, 2011 |
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Chaperone enzyme provides new target for cancer treatments
UNC scientists who study how cells repair damage from environmental factors like sunlight and cigarette smoke have discovered how a "chaperone" enzyme plays a key role in cells' ability to tolerate the DNA damage that leads ...
Jan 18, 2011 |
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Scientists ID new cancer drug target
Suppressing cancer cells' ability to replicate damaged DNA could dramatically enhance the effectiveness of chemotherapy drugs such as cisplatin, according to a new pair of papers from MIT biologists.
Nov 08, 2010 |
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