Nucleotide
hideNucleotides are molecules that, when joined together, make up the structural units of RNA and DNA. Additionally, nucleotides play central roles in metabolism. In that capacity, they serve as sources of chemical energy (adenosine triphosphate and guanosine triphosphate), participate in cellular signaling (cyclic guanosine monophosphate and cyclic adenosine monophosphate), and are incorporated into important cofactors of enzymatic reactions (coenzyme A, flavin adenine dinucleotide, flavin mononucleotide, and nicotinamide adenine dinucleotide phosphate).
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News tagged with nucleotide
Scientists Are First To Observe The Global Motions Of An Enzyme Copyinng DNA
Oct 27, 2009 |
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(PhysOrg.com) -- Scientists here have identified how the motions of an enzyme are related to correctly copying genetic instructions, setting the stage for studies that can uncover what happens when DNA copying ...
Genomes of Two Popular Research Strains of E. coli Sequenced
Oct 20, 2009 |
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(PhysOrg.com) -- An international team of researchers from the United States, Korea, and France has sequenced and analyzed the genomes of two important laboratory strains of E. coli bacteria, one used to study ...
Forensics firm builds on genomic discovery to advance DNA-based identification
Oct 13, 2009 |
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High-tech forensics firm, Casework Genetics is applying new technology to forensic evidence enabling law enforcement labs to solve crimes with greater molecular precision and efficiency than ever before.
Researchers identify genes associated with onset age of Parkinson's disease
Oct 07, 2009 |
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Researchers from Boston University School of Medicine (BUSM) have identified genes which may influence the onset age of Parkinson's Disease (PD). The findings, which currently appear on-line in BMC Medical Genetics, are th ...
Genome sequencing reveals genetic diversity of the bacteria that cause Buruli ulcer
Sep 11, 2009 |
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A new study lays the groundwork for development of a cost-effective tool for studying the population structure and spread of Mycobacterium ulcerans, the causative agent of Buruli ulcer. Researchers at the Swiss Tropical Instit ...
Predicting cancer prognosis
Aug 27, 2009 |
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Researchers led by Dr. Soheil Dadras at the Stanford University Medical Center have developed a novel methodology to extract microRNAs from cancer tissues. The related report by Ma et al, "Profiling and discovery of novel ...
Is endotoxin receptor CD14 rs2569190/C-159T gene correlated with chronic hepatitis C?
Aug 26, 2009 |
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It is still unknown why the natural history of chronic disease caused by hepatitis C virus (HCV), which currently infects 3% of the world's population, varies from mild in some patients to rapidly progressing in others.
Inherited risk factors increase odds of developing childhood acute lymphoblastic leukemia
Aug 16, 2009 |
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Scientists at St. Jude Children's Research Hospital have identified inherited variations in two genes that account for 37 percent of childhood acute lymphoblastic leukemia (ALL), including a gene that may help predict drug ...
Researchers identify 'regulatory' genetic sequences that may predict risk for prostate cancer
Aug 14, 2009 |
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Researchers at the Keck School of Medicine of the University of Southern California (USC) have identified a novel genetic mechanism that may govern an individual's risk of developing prostate cancer.
Understanding how weeds are resistant to herbicides
Aug 05, 2009 |
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In a little over seven hours, University of Illinois weed scientist Patrick Tranel got more genetic information about waterhemp than in two years time in a lab. The genetic information was obtained using pyrosequencing technology ...
Gene linked to increasingly common type of blood cancer
Jul 20, 2009 |
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California and Arizona researchers have identified a gene variant that carries nearly twice the risk of developing an increasingly common type of blood cancer, according to a study published online today by the science journal ...
New map of genomic variations will enable disease research
Jul 15, 2009 |
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Genetics researchers have unveiled a powerful new resource for scientists and health providers studying human illnesses--a reference standard of deletions and duplications of DNA found in the human genome. Drawn from over ...
New genetic study of Asperger syndrome, autistic traits and empathy
Jul 15, 2009 |
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Scientists from the University of Cambridge have identified 27 genes that are associated with either Asperger Syndrome (AS) and/or autistic traits and/or empathy. The research will be published tomorrow in the journal Autism Re ...
Of yeast and men: Unraveling the molecular mechanisms of Friedreich's ataxia
Jul 09, 2009 |
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Researchers in human genetics have long known that expansions of GAA repeats - resulting in this nucleotide triplet repeating hundreds or thousands of times - cause the most common hereditary neurological disorder known as ...
Variations in 5 genes raise risk for most common brain tumors
Jul 05, 2009 |
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Common genetic variations spread across five genes raise a person's risk of developing the most frequent type of brain tumor, an international research team reports online in Nature Genetics.
