 Robert O Poyton
| Title | Sr Research Associate |
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| Institution | University of Colorado Boulder |
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| Department | Biology-MCD Instruction |
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| Phone | 303/492-3823 |
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 Research R01HL063324 (POYTON, ROBERT OLIVER)Jul 1, 1999 - May 31, 2004 NIH
OXYGEN SENSING AND REGULATION OF YEAST GENES
Role: Principal Investigator |
| R01GM039324 (POYTON, ROBERT OLIVER)Apr 1, 1991 - Nov 30, 1995 NIH
FUNCTION OF SUBUNIT ISOFORMS IN CYTOCHROME C OXIDASE
Role: Principal Investigator |
| R01GM034827 (POYTON, ROBERT OLIVER)Sep 12, 1985 - Aug 31, 1989 NIH
LEADER PEPTIDES--SUBUNITS OF MEMBRANE PROTEIN OLIGOMERS
Role: Principal Investigator |
| R01GM030228 (POYTON, ROBERT OLIVER)Jul 1, 1981 - Jul 31, 2011 NIH
Mitochondria-Nuclear Crosstalk in Hypoxic Gene Induction
Role: Principal Investigator |
Bibliographic
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Ball KA, Nelson AW, Foster DG, Poyton RO. Nitric oxide produced by cytochrome c oxidase helps stabilize HIF-1a in hypoxic mammalian cells. Biochem Biophys Res Commun. 2012 Apr 20; 420(4):727-32. PMID: 22450315.
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Li B, Skinner C, Castello PR, Kato M, Easlon E, Xie L, Li T, Lu SP, Wang C, Tsang F, Poyton RO, Lin SJ. Identification of potential calorie restriction-mimicking yeast mutants with increased mitochondrial respiratory chain and nitric oxide levels. J Aging Res. 2011 Mar 31; 2011:673185. PMID: 21584246.
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Poyton RO, Ball KA. Therapeutic photobiomodulation: nitric oxide and a novel function of mitochondrial cytochrome c oxidase. Discov Med. 2011 Feb; 11(57):154-9. PMID: 21356170.
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Ball KA, Castello PR, Poyton RO. Low intensity light stimulates nitrite-dependent nitric oxide synthesis but not oxygen consumption by cytochrome c oxidase: Implications for phototherapy. J Photochem Photobiol B. 2011 Mar 02; 102(3):182-91. PMID: 21237670.
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Poyton RO, Castello PR, Ball KA, Woo DK, Pan N. Mitochondria and hypoxic signaling: a new view. Ann N Y Acad Sci. 2009 Oct; 1177:48-56. PMID: 19845606.
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Poyton RO, Ball KA, Castello PR. Mitochondrial generation of free radicals and hypoxic signaling. Trends Endocrinol Metab. 2009 Sep; 20(7):332-40. PMID: 19733481.
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Woo DK, Poyton RO. The absence of a mitochondrial genome in rho0 yeast cells extends lifespan independently of retrograde regulation. Exp Gerontol. 2009 Jun-Jul; 44(6-7):390-7. PMID: 19285548.
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Woo DK, Phang TL, Trawick JD, Poyton RO. Multiple pathways of mitochondrial-nuclear communication in yeast: intergenomic signaling involves ABF1 and affects a different set of genes than retrograde regulation. Biochim Biophys Acta. 2009 Feb; 1789(2):135-45. PMID: 18977319.
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Castello PR, Woo DK, Ball K, Wojcik J, Liu L, Poyton RO. Oxygen-regulated isoforms of cytochrome c oxidase have differential effects on its nitric oxide production and on hypoxic signaling. Proc Natl Acad Sci U S A. 2008 Jun 17; 105(24):8203-8. PMID: 18388202.
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Castello PR, David PS, McClure T, Crook Z, Poyton RO. Mitochondrial cytochrome oxidase produces nitric oxide under hypoxic conditions: implications for oxygen sensing and hypoxic signaling in eukaryotes. Cell Metab. 2006 Apr; 3(4):277-87. PMID: 16581005.
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David PS, Poyton RO. Effects of a transition from normoxia to anoxia on yeast cytochrome c oxidase and the mitochondrial respiratory chain: implications for hypoxic gene induction. Biochim Biophys Acta. 2005 Sep 05; 1709(2):169-80. PMID: 16084486.
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Cassanova N, O'Brien KM, Stahl BT, McClure T, Poyton RO. Yeast flavohemoglobin, a nitric oxide oxidoreductase, is located in both the cytosol and the mitochondrial matrix: effects of respiration, anoxia, and the mitochondrial genome on its intracellular level and distribution. J Biol Chem. 2005 Mar 04; 280(9):7645-53. PMID: 15611069.
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Church C, Goehring B, Forsha D, Wazny P, Poyton RO. A role for Pet100p in the assembly of yeast cytochrome c oxidase: interaction with a subassembly that accumulates in a pet100 mutant. J Biol Chem. 2005 Jan 21; 280(3):1854-63. PMID: 15507444.
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O'Brien KM, Dirmeier R, Engle M, Poyton RO. Mitochondrial protein oxidation in yeast mutants lacking manganese-(MnSOD) or copper- and zinc-containing superoxide dismutase (CuZnSOD): evidence that MnSOD and CuZnSOD have both unique and overlapping functions in protecting mitochondrial proteins from oxidative damage. J Biol Chem. 2004 Dec 10; 279(50):51817-27. PMID: 15385544.
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Dirmeier R, O'Brien K, Engle M, Dodd A, Spears E, Poyton RO. Measurement of oxidative stress in cells exposed to hypoxia and other changes in oxygen concentration. Methods Enzymol. 2004; 381:589-603. PMID: 15063700.
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Poyton RO, Dirmeier R, O'Brien K, David P, Dodd A. Experimental strategies for analyzing oxygen sensing in yeast. Methods Enzymol. 2004; 381:644-62. PMID: 15063704.
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Hon T, Dodd A, Dirmeier R, Gorman N, Sinclair PR, Zhang L, Poyton RO. A mechanism of oxygen sensing in yeast. Multiple oxygen-responsive steps in the heme biosynthetic pathway affect Hap1 activity. J Biol Chem. 2003 Dec 12; 278(50):50771-80. PMID: 14512429.
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Dirmeier R, O'Brien KM, Engle M, Dodd A, Spears E, Poyton RO. Exposure of yeast cells to anoxia induces transient oxidative stress. Implications for the induction of hypoxic genes. J Biol Chem. 2002 Sep 20; 277(38):34773-84. PMID: 12089150.
This graph shows the total number of publications by year, by first, middle/unknown, or last author.
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| Year | Publications |
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| 2002 | 1 | | 2003 | 1 | | 2004 | 5 | | 2005 | 1 | | 2006 | 1 | | 2008 | 2 | | 2009 | 3 | | 2010 | 1 | | 2011 | 2 | | 2012 | 1 |
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