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guanine

A Dictionary of Food and Nutrition | 2005 | | Â© A Dictionary of Food and Nutrition 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

guanine One of the purines.

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DAVID A. BENDER. "guanine." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 9 Dec. 2009 <http://www.encyclopedia.com>.

DAVID A. BENDER. "guanine." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (December 9, 2009). http://www.encyclopedia.com/doc/1O39-guanine.html

DAVID A. BENDER. "guanine." A Dictionary of Food and Nutrition. 2005. Retrieved December 09, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-guanine.html

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	Purine derivative excretion in dairy cows: Endogenous excretion and the effect of exogenous nucleic acid supply Magazine article from: Journal of Dairy Science; 4/1/2003; ; 700+ words ; ...the partitioning of excreted purine derivatives between urine and...urinary recovery of infused purines. The magnitude of the endogenous...urinary recovery of absorbed purine bases (PB) has been reported...between duodenal and urinary purines may be modified if the excretion...
	Purine biosynthesis. Big in cell division, even bigger in nitrogen assimilation Magazine article from: Plant Physiology; 3/1/2002; ; 700+ words ; ...are the precursors for purine alkaloids, and for the...essential functions for purines, salvage pathways, which retrieve the purine ring after nucleic acid...requirement to synthesize new purines in differentiated cells...novo synthesis of the purine ring is required and...
	Hereditary disorders of purine and pyrimidine metabolism: Identification of their biochemical phenotypes in the clinical laboratory Magazine article from: Mayo Clinic Proceedings; 8/1/1997; ; 700+ words ; ...postulated for many purines and pyrimidines. Some purines have been introduced...features unique to purine and pyrimidine metabolism...extensive turnover of purines and pyrimidines occurs...genetic disorders of purine and pyrimidine metabolism...
	Drosophila melanogaster Prat, a Purine de Novo Synthesis Gene, Has a Pleiotropic Maternal-Effect Phenotype Magazine article from: Genetics; 12/1/2004; ; 700+ words ; ...examine the effects of decreased purine de novo synthesis during oogenesis...development. In addition to the purine syndrome previously characterized...RNAenriched diet as a source of purines. Our results suggest that purine de novo synthesis is a limiting...
	Sprint training reduces urinary purine loss following intense exercise in humans. Magazine article from: Applied Physiology, Nutrition, and Metabolism; 12/1/2006; ; 700+ words ; ...urinary excretion of purines (inosine + Hx + uric...reduces the total urinary purine excretion after a 30...la perte urinaire de purines endogenes chez sept hommes...The magnitude of purine loss can be between 5...reported that the plasma purines are excreted in the urine...
	Methylated Purines in Urinary Stones Magazine article from: Clinical Chemistry; 8/1/2005; ; 700+ words ; ...The main methylated purine in the stones was 1...Conclusions: Urinary purines at concentrations below...The amount of each purine depends on its average...for separation of 16 purines, including 10 methyl...results of analysis of purine derivatives in urinary...
	Early cellular responses of purine nucleoside-mediated protection of hypoxia-induced injuries of neuronal PC12 cells. Magazine article from: American Journal of Biochemistry and Biotechnology; 6/22/2005; ; 700+ words ; ...investigate the effect of adenosine and its purine nucleoside relatives, inosine and guanosine...protein kinases 1/2 (p42/44 MAPK) in purine-mediated rescue. In this study we were...and likewise also affected the rescue by purine nucleosides. Nerve growth factor (NGF...
	Comprehensive Detection of Disorders of Purine and Pyrimidine Metabolism by HPLC with Electrospray Ionization Tandem Mass Spectrometry Magazine article from: Clinical Chemistry; 6/1/2006; ; 700+ words ; ...detection of 13 defects in purine and pyrimidine metabolism...for Clinical Chemistry Purines and pyrimidines serve...urinary excretion of purines or pyrimidines. The...excretion of all relevant purines and pyrimidines, permitting...each of the disorders of purine and pyrimidine metabolism...
	Functional characterization of a maize purine transporter by expression in Aspergullus nidulans Magazine article from: Plant Cell; 4/1/2001; ; 700+ words ; ...specific for the oxidized purines xanthine and uric acid...inhibit LPE1-mediated purine transport. This work...as a transporter for purine-related compounds...studies also showed that purines, phytohormones (zeatin...indicating that several purine-related compounds also...
	Repligen Licenses Patent Rights for Treatment of Mitochondrial Disorders And Purine Autism from University of California, San Diego. PR Newswire; 12/14/2000; 700+ words ; ...diagnosed with autism who have abnormal purine metabolism," continued Dr. Herlihy...therapies for mitochondrial disease. Purine Autism Purines are key building blocks for the...of other cellular processes. "Purine autism" was first characterized...

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	purines Book article from: A Dictionary of Food and Nutrition purines Nitrogenous compounds (bases) that occur in...inosine, caffeine, and theobromine are also purines. They are not dietary essentials; both dietary and endogenously formed purines are excreted as uric acid . See also gout . Sweetbread...
	purine Book article from: The Columbia Encyclopedia, Sixth Edition purine type of organic base found in the nucleotides...Emil Fischer did much of the basic work on purines and introduced the term into the chemical...literature in the early 20th cent. The two major purines of almost universal distribution in living...
	Emil Fischer Encyclopedia entry from: Encyclopedia of World Biography ...determination of the structures of the purine group was done by Fischer during...and the parent compound, purine. Before 1900 Fischer and his...investigated no fewer than 130 purine derivatives. In 1902 he received...for his work on sugars and purines. Research in the Proteins...
	Gertrude B. Elion Encyclopedia entry from: Encyclopedia of World Biography ...Elion set to work especially on purines, nitrogenous bases that are...casei, which could synthesize purines given the right chemical substrates...pathways for biosynthesis of purines were not worked out until the...drugs that interfered with purine utilization called purine ...
	Nucleotides Book article from: Chemistry: Foundations and Applications ...is made up of a heterocyclic base (a purine or pyrimidine), a cyclic sugar unit...DNA ). Table 1 below lists the names of purine and pyrimidine bases, the nucleosides...TMP). The numbering systems for both purine ( guanine shown here) and pyrimidine...