Robert T. Simpson - Publications

Affiliations: 
Molecular biology Pennsylvania State University, State College, PA, United States 
Area:
chromatin and its role in gene regulation
Website:
http://nihrecord.od.nih.gov/newsletters/2004/05_25_2004/obits.htm

132 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Lai YL, Su YC, Kao CH, Liang JA. Increased risk of varicella-zoster virus infection in patients with breast cancer after adjuvant radiotherapy: A population-based cohort study. Plos One. 14: e0209365. PMID 30625182 DOI: 10.1371/journal.pone.0209365  0.48
2019 Wang Y, Park H, Lin H, Kitova EN, Klassen JS. Multipronged ESI-MS Approach for Studying Glycan-Binding Protein Interactions with Glycoproteins. Analytical Chemistry. PMID 30624066 DOI: 10.1021/acs.analchem.8b04673  0.4
2019 Wang XF, Wang Q, Li ZG, Huang K, Li LD, Zhao DH. Determination of 23 perfluorinated alkylated substances in water and suspended particles by ultra-performance liquid chromatography/tandem mass spectrometry. Journal of Environmental Science and Health. Part a, Toxic/Hazardous Substances & Environmental Engineering. 1-7. PMID 30623697 DOI: 10.1080/10934529.2018.1528042  0.68
2019 Sun S, Lv Y, Zhu S. Influence of ionic liquid on Novozym 435-catalyzed the transesterification of castor oil and ethyl caffeate. 3 Biotech. 9: 34. PMID 30622872 DOI: 10.1007/s13205-018-1564-9  0.48
2019 Ding X, Zhu X, Ye L, Xiao S, Wu Z, Chen W, Li X. The interaction of CpEBF1 with CpMADSs is involved in cell wall degradation during papaya fruit ripening. Horticulture Research. 6: 13. PMID 30622723 DOI: 10.1038/s41438-018-0095-1  0.64
2019 Pérez N, Qi XL, Nie S, Acuña P, Chen MJ, Wang DY. Flame Retardant Polypropylene Composites with Low Densities. Materials (Basel, Switzerland). 12. PMID 30621247 DOI: 10.3390/ma12010152  0.44
2019 Yang R, Fang L, Li J, Zhao Z, Zhang H, Zhang Y. Separation of Five Iridoid Glycosides from Flos Using High-Speed Counter-Current Chromatography and Their Anti-Inflammatory and Antibacterial Activities. Molecules (Basel, Switzerland). 24. PMID 30621066 DOI: 10.3390/molecules24010197  0.68
2019 Shi X, Luo H, Ning B, Wang X, Tao Q, Liang S, Zhang R, Chen J, Luo B, Yao S, Pan Y, Guo X, Fan D. Effect of cap-assisted esophagogastroduodenoscopy on examination of the major duodenal papilla: a noninferior, randomized controlled trial. Endoscopy. PMID 30620948 DOI: 10.1055/a-0767-6529  0.68
2019 Cao Q, Zhao L, Wang A, Yang L, Lai L, Wang ZL, Kim J, Zhou W, Yamauchi Y, Lin J. Tailored synthesis of Zn-N co-doped porous MoC nanosheets towards efficient hydrogen evolution. Nanoscale. PMID 30620350 DOI: 10.1039/C8Nr07463A  0.44
2018 Sun J, Wu Y, Jiang P, Zheng L, Zhang A, Qi H. Concentration, uptake and human dietary intake of novel brominated flame retardants in greenhouse and conventional vegetables. Environment International. 123: 436-443. PMID 30622068 DOI: 10.1016/j.envint.2018.12.008  0.84
2018 Ye T, Jin S, Kang C, Tian C, Zhang X, Zhan C, Lu S, Kan Z. Comparison Study of Wide Bandgap Polymer (PBDB-T) and Narrow Bandgap Polymer (PBDTTT-EFT) as Donor for Perylene Diimide Based Polymer Solar Cells. Frontiers in Chemistry. 6: 613. PMID 30619822 DOI: 10.3389/Fchem.2018.00613  0.52
2018 Han L, Yuan J, Ao X, Lin S, Han X, Ye H. Biochemical Characterization and Phylogenetic Analysis of the Virulence Factor Lysine Decarboxylase From . Frontiers in Microbiology. 9: 3082. PMID 30619163 DOI: 10.3389/fmicb.2018.03082  0.52
2011 Chakraborty SA, Simpson RT, Grigoryev SA. A single heterochromatin boundary element imposes position-independent antisilencing activity in Saccharomyces cerevisiae minichromosomes. Plos One. 6: e24835. PMID 21949764 DOI: 10.1371/Journal.Pone.0024835  1
2008 Surcel A, Koshland D, Ma H, Simpson RT. Cohesin interaction with centromeric minichromosomes shows a multi-complex rod-shaped structure. Plos One. 3: e2453. PMID 18545699 DOI: 10.1371/Journal.Pone.0002453  1
2005 Ruan C, Workman JL, Simpson RT. The DNA repair protein yKu80 regulates the function of recombination enhancer during yeast mating type switching. Molecular and Cellular Biology. 25: 8476-85. PMID 16166630 DOI: 10.1128/Mcb.25.19.8476-8485.2005  1
2005 Ercan S, Reese JC, Workman JL, Simpson RT. Yeast recombination enhancer is stimulated by transcription activation. Molecular and Cellular Biology. 25: 7976-87. PMID 16135790 DOI: 10.1128/Mcb.25.18.7976-7987.2005  1
2004 Ercan S, Simpson RT. Global chromatin structure of 45,000 base pairs of chromosome III in a- and alpha-cell yeast and during mating-type switching. Molecular and Cellular Biology. 24: 10026-35. PMID 15509803 DOI: 10.1128/Mcb.24.22.10026-10035.2004  1
2004 Simpson RT, Ducker CE, Diller JD, Ruan C. Purification of native, defined chromatin segments. Methods in Enzymology. 375: 158-70. PMID 14870665 DOI: 10.1016/S0076-6879(03)75010-1  1
2001 Wang X, Simpson RT. Chromatin structure mapping in Saccharomyces cerevisiae in vivo with DNase I. Nucleic Acids Research. 29: 1943-50. PMID 11328878 DOI: 10.1093/Nar/29.9.1943  1
2000 Gavin IM, Kladde MP, Simpson RT. Tup1p represses Mcm1p transcriptional activation and chromatin remodeling of an a-cell-specific gene. The Embo Journal. 19: 5875-83. PMID 11060038 DOI: 10.1093/Emboj/19.21.5875  1
2000 Ducker CE, Simpson RT. The organized chromatin domain of the repressed yeast a cell-specific gene STE6 contains two molecules of the corepressor Tup1p per nucleosome. The Embo Journal. 19: 400-9. PMID 10654939 DOI: 10.1093/Emboj/19.3.400  1
1999 Kladde MP, Xu M, Simpson RT. DNA methyltransferases as probes for chromatin structure in yeast. Methods in Molecular Biology (Clifton, N.J.). 119: 395-416. PMID 10804528 DOI: 10.1385/1-59259-681-9:395  1
1999 Ravindra A, Weiss K, Simpson RT. High-resolution structural analysis of chromatin at specific loci: Saccharomyces cerevisiae silent mating-type locus HMRa. Molecular and Cellular Biology. 19: 7944-50. PMID 10567520  1
1999 Kladde MP, Xu M, Simpson RT. DNA methyltransferases as probes of chromatin structure in vivo. Methods in Enzymology. 304: 431-47. PMID 10372375 DOI: 10.1016/S0076-6879(99)04026-4  1
1999 Simpson RT. In vivo methods to analyze chromatin structure. Current Opinion in Genetics & Development. 9: 225-9. PMID 10322144 DOI: 10.1016/S0959-437X(99)80033-1  1
1998 Simpson RT. Chromatin structure and analysis of mechanisms of activators and repressors. Methods (San Diego, Calif.). 15: 283-94. PMID 9740716 DOI: 10.1006/Meth.1998.0632  1
1998 Weiss K, Simpson RT. High-resolution structural analysis of chromatin at specific loci: Saccharomyces cerevisiae silent mating type locus HMLalpha. Molecular and Cellular Biology. 18: 5392-403. PMID 9710623 DOI: 10.1128/Mcb.18.9.5392  1
1998 Xu M, Kladde MP, Van Etten JL, Simpson RT. Cloning, characterization and expression of the gene coding for a cytosine-5-DNA methyltransferase recognizing GpC. Nucleic Acids Research. 26: 3961-6. PMID 9705505 DOI: 10.1093/Nar/26.17.3961  1
1998 Wu C, Weiss K, Yang C, Harris MA, Tye BK, Newlon CS, Simpson RT, Haber JE. Mcm1 regulates donor preference controlled by the recombination enhancer in Saccharomyces mating-type switching. Genes & Development. 12: 1726-37. PMID 9620858 DOI: 10.1101/Gad.12.11.1726  1
1998 Patterton HG, Landel CC, Landsman D, Peterson CL, Simpson RT. The biochemical and phenotypic characterization of Hho1p, the putative linker histone H1 of Saccharomyces cerevisiae. The Journal of Biological Chemistry. 273: 7268-76. PMID 9516420 DOI: 10.1074/Jbc.273.13.7268  1
1998 Xu M, Simpson RT, Kladde MP. Gal4p-mediated chromatin remodeling depends on binding site position in nucleosomes but does not require DNA replication. Molecular and Cellular Biology. 18: 1201-12. PMID 9488435 DOI: 10.1128/Mcb.18.3.1201  0.68
1998 Kladde MP, Simpson RT. Rapid detection of functional expression of C-5-DNA methyltransferases in yeast. Nucleic Acids Research. 26: 1354-5. PMID 9469849 DOI: 10.1093/Nar/26.5.1354  1
1998 Xu M, Simpson RT, Kladde MP. Ga14p-mediated chromatin remodeling depends on binding site position in nucleosomes but does not require DNA replication Molecular and Cellular Biology. 18: 1201-1212.  1
1997 Gavin IM, Simpson RT. Interplay of yeast global transcriptional regulators Ssn6p-Tup1p and Swi-Snf and their effect on chromatin structure. The Embo Journal. 16: 6263-71. PMID 9321405 DOI: 10.1093/Emboj/16.20.6263  1
1997 Weiss K, Simpson RT. Cell type-specific chromatin organization of the region that governs directionality of yeast mating type switching. The Embo Journal. 16: 4352-60. PMID 9250679 DOI: 10.1093/Emboj/16.14.4352  1
1996 Kladde MP, Xu M, Simpson RT. Direct study of DNA-protein interactions in repressed and active chromatin in living cells. The Embo Journal. 15: 6290-300. PMID 8947052 DOI: 10.1002/J.1460-2075.1996.Tb01019.X  1
1996 Kladde MP, Simpson RT. Chromatin structure mapping in vivo using methyltransferases. Methods in Enzymology. 274: 214-33. PMID 8902807 DOI: 10.1016/S0076-6879(96)74019-3  1
1995 Patterton HG, Simpson RT. Modified curved DNA that could allow local DNA underwinding at the nucleosomal pseudodyad fails to position a nucleosome in vivo. Nucleic Acids Research. 23: 4170-9. PMID 7479081 DOI: 10.1093/Nar/23.20.4170  1
1994 Patterton HG, Simpson RT. Nucleosomal location of the STE6 TATA box and Mat alpha 2p-mediated repression. Molecular and Cellular Biology. 14: 4002-10. PMID 8196639 DOI: 10.1128/Mcb.14.6.4002  1
1994 Kladde MP, Simpson RT. Positioned nucleosomes inhibit Dam methylation in vivo. Proceedings of the National Academy of Sciences of the United States of America. 91: 1361-5. PMID 8108416 DOI: 10.1073/Pnas.91.4.1361  1
1994 Cooper JP, Roth SY, Simpson RT. The global transcriptional regulators, SSN6 and TUP1, play distinct roles in the establishment of a repressive chromatin structure. Genes & Development. 8: 1400-10. PMID 7926740 DOI: 10.1101/Gad.8.12.1400  1
1993 Murphy MR, Shimizu M, Roth SY, Dranginis AM, Simpson RT. DNA-protein interactions at the S.cerevisiae alpha 2 operator in vivo. Nucleic Acids Research. 21: 3295-300. PMID 8341604 DOI: 10.1093/Nar/21.14.3295  1
1993 Simpson RT, Roth SY, Morse RH, Patterton HG, Cooper JP, Murphy M, Kladde MP, Shimizu M. Nucleosome positioning and transcription. Cold Spring Harbor Symposia On Quantitative Biology. 58: 237-45. PMID 7956034 DOI: 10.1101/Sqb.1993.058.01.028  1
1992 Roth SY, Shimizu M, Johnson L, Grunstein M, Simpson RT. Stable nucleosome positioning and complete repression by the yeast alpha 2 repressor are disrupted by amino-terminal mutations in histone H4. Genes & Development. 6: 411-25. PMID 1547940 DOI: 10.1101/Gad.6.3.411  1
1992 Morse RH, Roth SY, Simpson RT. A transcriptionally active tRNA gene interferes with nucleosome positioning in vivo. Molecular and Cellular Biology. 12: 4015-25. PMID 1508199 DOI: 10.1128/Mcb.12.9.4015  1
1991 Simpson RT. Nucleosome positioning: occurrence, mechanisms, and functional consequences. Progress in Nucleic Acid Research and Molecular Biology. 40: 143-84. PMID 2031082 DOI: 10.1016/S0079-6603(08)60841-7  1
1991 Shimizu M, Roth SY, Szent-Gyorgyi C, Simpson RT. Nucleosomes are positioned with base pair precision adjacent to the alpha 2 operator in Saccharomyces cerevisiae. The Embo Journal. 10: 3033-41. PMID 1915278 DOI: 10.1002/J.1460-2075.1991.Tb07854.X  1
1991 Roth SY, Simpson RT. Yeast minichromosomes. Methods in Cell Biology. 35: 289-314. PMID 1779859  1
1990 Simpson RT. Nucleosome positioning can affect the function of a cis-acting DNA element in vivo. Nature. 343: 387-9. PMID 2405281 DOI: 10.1038/343387A0  1
1990 Roth SY, Dean A, Simpson RT. Yeast alpha 2 repressor positions nucleosomes in TRP1/ARS1 chromatin. Molecular and Cellular Biology. 10: 2247-60. PMID 2183026 DOI: 10.1128/Mcb.10.5.2247  1
1989 Dean A, Pederson DS, Simpson RT. Isolation of yeast plasmid chromatin. Methods in Enzymology. 170: 26-41. PMID 2671602 DOI: 10.1016/0076-6879(89)70041-0  1
1988 Angerer LM, Chambers SA, Yang Q, Venkatesan M, Angerer RC, Simpson RT. Expression of a collagen gene in mesenchyme lineages of the Strongylocentrotus purpuratus embryo. Genes & Development. 2: 239-46. PMID 3360324 DOI: 10.1101/Gad.2.2.239  1
1988 Richmond TJ, Searles MA, Simpson RT. Crystals of a nucleosome core particle containing defined sequence DNA. Journal of Molecular Biology. 199: 161-70. PMID 3351917 DOI: 10.1016/0022-2836(88)90386-5  1
1988 Morse RH, Simpson RT. DNA in the nucleosome. Cell. 54: 285-7. PMID 3293798 DOI: 10.1016/0092-8674(88)90190-0  1
1987 Morse RH, Pederson DS, Dean A, Simpson RT. Yeast nucleosomes allow thermal untwisting of DNA. Nucleic Acids Research. 15: 10311-30. PMID 3320966 DOI: 10.1093/Nar/15.24.10311  1
1987 Woolley PV, Kumar S, Fitzgerald P, Simpson RT. Ascorbate potentiates DNA damage by 1-methyl-1-nitrosourea in vivo and generates DNA strand breaks in vitro. Carcinogenesis. 8: 1657-62. PMID 2822277 DOI: 10.1093/Carcin/8.11.1657  1
1986 Venkatesan M, Simpson RT. Isolation and characterization of spicule proteins from Strongylocentrotus purpuratus. Experimental Cell Research. 166: 259-64. PMID 3743658 DOI: 10.1016/0014-4827(86)90526-4  1
1986 Pederson DS, Thoma F, Simpson RT. Core particle, fiber, and transcriptionally active chromatin structure. Annual Review of Cell Biology. 2: 117-47. PMID 3548764 DOI: 10.1146/annurev.cb.02.110186.001001  1
1986 Simpson RT. Nucleosome positioning in vivo and in vitro. Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology. 4: 172-6. PMID 3539111 DOI: 10.1002/Bies.950040408  1
1986 Pederson DS, Venkatesan M, Thoma F, Simpson RT. Isolation of an episomal yeast gene and replication origin as chromatin. Proceedings of the National Academy of Sciences of the United States of America. 83: 7206-10. PMID 3532106 DOI: 10.1073/Pnas.83.19.7206  1
1986 Venkatesan M, de Pablo F, Vogeli G, Simpson RT. Structure and developmentally regulated expression of a Strongylocentrotus purpuratus collagen gene. Proceedings of the National Academy of Sciences of the United States of America. 83: 3351-5. PMID 3458186 DOI: 10.1073/pnas.83.10.3351  1
1985 Thoma F, Simpson RT. Local protein-DNA interactions may determine nucleosome positions on yeast plasmids. Nature. 315: 250-2. PMID 3889654 DOI: 10.1038/315250A0  1
1985 Simpson RT, Thoma F, Brubaker JM. Chromatin reconstituted from tandemly repeated cloned DNA fragments and core histones: a model system for study of higher order structure. Cell. 42: 799-808. PMID 2996776 DOI: 10.1016/0092-8674(85)90276-4  1
1985 Wu TC, Simpson RT. Transient alterations of the chromatin structure of sea urchin early histone genes during embryogenesis. Nucleic Acids Research. 13: 6185-203. PMID 2995919 DOI: 10.1093/Nar/13.17.6185  1
1985 Clarke MF, FitzGerald PC, Brubaker JM, Simpson RT. Sequence-specific interaction of histones with the simian virus 40 enhancer region in vitro. The Journal of Biological Chemistry. 260: 12394-7. PMID 2995375  1
1985 FitzGerald PC, Simpson RT. Effects of sequence alterations in a DNA segment containing the 5 S RNA gene from Lytechinus variegatus on positioning of a nucleosome core particle in vitro. The Journal of Biological Chemistry. 260: 15318-24. PMID 2415517  1
1984 Thoma F, Bergman LW, Simpson RT. Nuclease digestion of circular TRP1ARS1 chromatin reveals positioned nucleosomes separated by nuclease-sensitive regions. Journal of Molecular Biology. 177: 715-33. PMID 6384525 DOI: 10.1016/0022-2836(84)90046-9  1
1983 Simpson RT, Stafford DW. Structural features of a phased nucleosome core particle. Proceedings of the National Academy of Sciences of the United States of America. 80: 51-5. PMID 6572008 DOI: 10.1073/Pnas.80.1.51  1
1981 Simpson RT. Modulation of nucleosome structure by histone subtypes in sea urchin embryos. Proceedings of the National Academy of Sciences of the United States of America. 78: 6803-7. PMID 6947254 DOI: 10.1073/Pnas.78.11.6803  1
1981 Simpson RT. Dissection of chromatin structure with nucleases. Gene Amplification and Analysis. 2: 347-68. PMID 6101054  1
1980 Simpson RT, Shindo H. Conformation of 145 base pair length poly (dG-dC) . poly (dG-dC) in solution and in association with histones. Nucleic Acids Research. 8: 2093-103. PMID 7433135 DOI: 10.1093/Nar/8.9.2093  1
1980 Simpson RT, Bergman LW. Structure of sea urchin sperm chromatin core particle. The Journal of Biological Chemistry. 255: 10702-9. PMID 7430146  1
1980 Simpson RT, Stein A. Random protection of single cut restriction endonuclease sites in SV40 mini-chromosomes assembled in vitro. Febs Letters. 111: 337-9. PMID 6244189 DOI: 10.1016/0014-5793(80)80822-2  1
1980 Simpson RT, Shindo H. Conformations of 145 base pair length poly (dG-dC)·poly (dG-dC) in solution and in association with histones Nucleic Acids Research. 8: 2093-2103. DOI: 10.1093/nar/8.9.2093  1
1979 Simpson RT, Shindo H. Conformation of DNA in chromatin core particles containing poly(dAdT)-poly(dAdT) studied by 31 P NMR spectroscopy. Nucleic Acids Research. 7: 481-92. PMID 493153 DOI: 10.1093/nar/7.2.481  1
1979 Simpson RT. Mechanism of a reversible, thermally induced conformational change in chromatin core particles. The Journal of Biological Chemistry. 254: 10123-7. PMID 489588  1
1979 Shindo H, Simpson RT, Cohen JS. An alternating conformation characterizes the phosphodiester backbone of poly(dA-dT) in solution. The Journal of Biological Chemistry. 254: 8125-8. PMID 468810  1
1979 Tack LO, Simpson RT. Location of histone lysyl residues modified by in vitro acetylation of chromatin. Biochemistry. 18: 3110-8. PMID 465459 DOI: 10.1021/Bi00581A031  1
1979 Simpson RT, Künzler P. Cromatin and core particles formed from the inner histones and synthetic polydeoxyribonucleotides of defined sequence. Nucleic Acids Research. 6: 1387-415. PMID 450700 DOI: 10.1093/Nar/6.4.1387  1
1979 Simpson RT, Shindo H. Conformation of DNA in chromatin core particles containing poly(dAdT)·poly(dAdT) studied by P NMR spectroscopy Nucleic Acids Research. 7: 481-492. DOI: 10.1093/nar/7.2.481  1
1978 Simpson RT. Structure of the chromatosome, a chromatin particle containing 160 base pairs of DNA and all the histones. Biochemistry. 17: 5524-31. PMID 728412 DOI: 10.1021/Bi00618A030  1
1978 Simpson RT. Structure of chromatin containing extensively acetylated H3 and H4. Cell. 13: 691-9. PMID 657272 DOI: 10.1016/0092-8674(78)90219-2  1
1978 Simpson RT. Protein kinase in HeLA nucleosomes: a reevaluation of the interactions of histomes with the ends of core particle DNA. Nucleic Acids Research. 5: 1109-19. PMID 652516 DOI: 10.1093/Nar/5.4.1109  1
1978 Simpson RT, Whitlock JP, Bina-Stein M, Stein A. Histone-DNA interactions in chromatin core particles. Cold Spring Harbor Symposia On Quantitative Biology. 42: 127-36. PMID 209935 DOI: 10.1101/Sqb.1978.042.01.014  1
1977 Bustin M, Simpson RT, Sperling R, Goldblatt D. Molecular homogeneity of the histone content of HeLa chromatin subunits. Biochemistry. 16: 5281-5. PMID 921930 DOI: 10.1021/Bi00643A033  1
1977 Tack LO, Simpson RT. Characterization of chromatin modified with ethyl acetimidate. Biochemistry. 16: 3746-53. PMID 901749 DOI: 10.1021/Bi00636A003  1
1977 Whitlock JP, Simpson RT. Localization of the sites along nucleosome DNA which interact with NH2-terminal histone regions. The Journal of Biological Chemistry. 252: 6516-20. PMID 893423  1
1977 Simpson RT. Chromatin fractionation by chromatography on ECTHAM-cellulose. Methods in Cell Biology. 16: 437-46. PMID 886991  1
1977 Whitlock JP, Rushizky GW, Simpson RT. DNase-sensitive sites in nucleosomes. Their relative suspectibilities depend on nuclease used. The Journal of Biological Chemistry. 252: 3003-6. PMID 853041  1
1977 Piatigorsky J, Horwitz J, Simpson RT. Partial dissociation and renaturation of embryonic chick delta-crystallin. Characterization by ultracentrifugation and circular dichroism. Biochimica Et Biophysica Acta. 490: 279-89. PMID 556957 DOI: 10.1016/0005-2795(77)90003-4  1
1977 Stein A, Bina-Stein M, Simpson RT. Crosslinked histone octamer as a model of the nucleosome core. Proceedings of the National Academy of Sciences of the United States of America. 74: 2780-4. PMID 197520 DOI: 10.1073/Pnas.74.7.2780  1
1977 Bina-Stein M, Simpson RT. Specific folding and contraction of DNA by histones H3 and H4. Cell. 11: 609-18. PMID 195743 DOI: 10.1016/0092-8674(77)90078-2  1
1976 Simpson RT, Whitlock JP. Chemical evidence that chromatin DNA exists as 160 base pair beads interspersed with 40 base pair bridges. Nucleic Acids Research. 3: 117-27. PMID 1250693 DOI: 10.1093/Nar/3.1.117  1
1976 Simpson RT. Histones H3 and H4 interact with the ends of nucleosome DNA. Proceedings of the National Academy of Sciences of the United States of America. 73: 4400-4. PMID 1069992 DOI: 10.1073/Pnas.73.12.4400  1
1976 Simpson RT, Whitlock JP. Mapping DNAase l-susceptible sites in nucleosomes labeled at the 5' ends. Cell. 9: 347-53. PMID 975247 DOI: 10.1016/0092-8674(76)90124-0  1
1976 Whitlock JP, Simpson RT. Preparation and physical characterization of a homogeneous population of monomeric nucleosomes from HeLa cells. Nucleic Acids Research. 3: 2255-66. PMID 967693  1
1976 Whitlock JP, Simpson RT. Removal of histone H1 exposes a fifty base pair DNA segment between nucleosomes. Biochemistry. 15: 3307-14. PMID 952859 DOI: 10.1021/Bi00660A022  1
1976 Simpson RT, Bustin M. Histone compostion of chromatin subunits studied by immunosedimentation. Biochemistry. 15: 4305-12. PMID 822871 DOI: 10.1021/Bi00664A026  1
1975 Seale RL, Simpson RT. Effects of cycloheximide on chromatin biosynthesis. Journal of Molecular Biology. 94: 479-501. PMID 1177305 DOI: 10.1016/0022-2836(75)90216-8  1
1975 Simpson RT. Distribution of satellite DNA in mouse liver chromatin fractionated by ECTHAM-cellulose chromatography. Biochemical and Biophysical Research Communications. 65: 552-8. PMID 1148007 DOI: 10.1016/S0006-291X(75)80182-3  1
1974 Piatigorsky J, Zelenka P, Simpson RT. Molecular weight and subunit structure of delta-crystallin from embryonic chick lens fibers. Experimental Eye Research. 18: 435-46. PMID 4834398 DOI: 10.1016/0014-4835(74)90080-3  1
1974 Simpson RT. Distribution of RNA polymerase binding sites in fractionated chromatin. Proceedings of the National Academy of Sciences of the United States of America. 71: 2740-3. PMID 4604338 DOI: 10.1073/Pnas.71.7.2740  1
1974 Reeck GR, Simpson RT, Sober HA. The distribution of histones and nonhistone proteins in the ECTHAM-cellulose fractions of chromatin from several tissues. European Journal of Biochemistry / Febs. 49: 407-14. PMID 4442419 DOI: 10.1111/J.1432-1033.1974.Tb03846.X  1
1974 Simpson RT, Seale RL. Characterization of chromatin extensively substituted with 5-bromodeoxyuridine. Biochemistry. 13: 4609-16. PMID 4279108 DOI: 10.1021/Bi00719A022  1
1973 Simpson RT, Polacow I. Protein-DNA interactions in extended and condensed chromatin. Biochemical and Biophysical Research Communications. 55: 1078-84. PMID 4771985 DOI: 10.1016/S0006-291X(73)80005-1  1
1973 Simpson RT, Reeck GR. A comparison of the proteins of condensed and extended chromatin fractions of rabbit liver and calf thymus. Biochemistry. 12: 3853-8. PMID 4745650 DOI: 10.1021/Bi00744A009  1
1973 Polacow I, Simpson RT. Circular dichroism spectra of putative transcribed and repressed chromatin. Biochemical and Biophysical Research Communications. 52: 202-7. PMID 4736470 DOI: 10.1016/0006-291X(73)90974-1  1
1973 Levy R, Levy S, Rosenberg SA, Simpson RT. Selective stimulation of nonhistone chromatin protein synthesis in lymphoid cells by phytohemagglutinin. Biochemistry. 12: 224-8. PMID 4682995 DOI: 10.1021/Bi00726A008  1
1973 Simpson RT. Structure and function of chromatin. Advances in Enzymology and Related Areas of Molecular Biology. 38: 41-108. PMID 4582788  1
1973 Levy S, Simpson RT. Quantitative immunochemical search for single stranded DNA in chromatin. Nature: New Biology. 241: 139-41. PMID 4512615 DOI: 10.1038/Newbio241139A0  1
1972 Levy S, Simpson RT, Sober HA. Fractionation of chromatin components. Biochemistry. 11: 1547-54. PMID 5028101  1
1972 Simpson RT. Modification of chromatin by trypsin. The role of proteins in maintainance of deoxyribonucleic acid conformation. Biochemistry. 11: 2003-8. PMID 5027613 DOI: 10.1021/Bi00761A002  1
1972 Levy S, Simpson RT, Sober HA. Fractionation of chromatin components. Il Farmaco; Edizione Scientifica. 27: 1547-54. PMID 5025408 DOI: 10.1021/Bi00759A001  1
1972 Reeck GR, Simpson RT, Sober HA. Resolution of a spectrum of nucleoprotein species in sonicated chromatin. Proceedings of the National Academy of Sciences of the United States of America. 69: 2317-21. PMID 4506100 DOI: 10.1073/Pnas.69.8.2317  1
1971 Simpson RT, Kobes RD, Erbe RW, Rutter WJ, Vallee BL. Role of metals in the class II aldolases. Spectral studies of cobalt yeast aldolase. Biochemistry. 10: 2466-70. PMID 5557795 DOI: 10.1021/Bi00789A006  1
1971 Simpson RT. Modification of chromatin with acetic anhydride. Biochemistry. 10: 4466-70. PMID 5142620 DOI: 10.1021/Bi00800A018  1
1971 Christen P, Vallee BL, Simpson RT. Sequential chemical modifications of tyrosyl residues in alkaline phosphatase of Escherichia coli. Biochemistry. 10: 1377-84. PMID 4325600  1
1970 Simpson RT, Sober HA. Circular dichroism of calf liver nucleohistone. Biochemistry. 9: 3103-9. PMID 5496093 DOI: 10.1021/Bi00818A001  1
1970 Simpson RT. Interaction of a repotter molecule with chromatin. Evidence suggesting that the proteins of chromatin do not occupy the minor groove of deoxyribonucleic acid. Biochemistry. 9: 4814-9. PMID 5482275 DOI: 10.1021/Bi00826A028  1
1970 Simpson RT, Bethune JL. Ultracentrifuge time-lapse photography. Determination of molecular weights. Biochemistry. 9: 2745-50. PMID 5450238 DOI: 10.1021/Bi00815A024  1
1970 Simpson RT, Valee BL. Negative homotropic interactions in binding of substrate to alkaline phosphatase of Escherichia coli. Biochemistry. 9: 953-8. PMID 4906908  1
1969 Kobes RD, Simpson RT, Vallee BL, Rutter WJ. A functional role of metal ions in a class II aldolase Biochemistry. 8: 585-588. PMID 5793710 DOI: 10.1021/Bi00830A018  1
1969 Simpson RT, Vallee BL. Zinc and cobalt alkaline phosphatases. Annals of the New York Academy of Sciences. 166: 670-95. PMID 4907876 DOI: 10.1111/J.1749-6632.1969.Tb54308.X  1
1969 Gottesman M, Simpson RT, Vallee BL. Kinetic properties of cobalt alkaline phosphatase. Biochemistry. 8: 3776-83. PMID 4897950 DOI: 10.1021/Bi00837A043  1
1969 Simpson RT, Vallee BL. A 3:1 8-hydroxy-5-quinolinesulfonic acid-zinc ion complex Inorganic Chemistry. 8: 1185-1186. DOI: 10.1021/Ic50075A033  0.32
1969 Simpson RT, Vallee BL. A 3:1 8-hydroxyquinoline-5-sulfonic acid-zinc ion complex Inorganic Chemistry. 8: 1185-1186.  1
1968 Simpson RT, Vallee BL. Two differentiable classes of metal atoms in alkaline phosphatase of Escherichia coli. Biochemistry. 7: 4343-50. PMID 4882708 DOI: 10.1021/Bi00852A029  1
1968 Simpson RT, Vallee BL, Tait GH. Alkaline phosphatase of Escherichia coli. Composition. Biochemistry. 7: 4336-42. PMID 4882707 DOI: 10.1021/Bi00852A028  1
1966 Simpson RT, Vallee BL. Side-chain Cotton effects of ribonuclease. Biochemistry. 5: 2531-8. PMID 5968561 DOI: 10.1021/Bi00872A007  1
1966 Simpson RT, Vallee BL. Iodocarboxypeptidase. Biochemistry. 5: 1760-7. PMID 5961294  1
1966 Simpson RT, Vallee BL. Optical rotatory dispersion of flavin nucleotides. Biochemical and Biophysical Research Communications. 22: 712-21. PMID 5944771 DOI: 10.1016/0006-291X(66)90207-5  1
1963 SIMPSON RT, RIORDAN JF, VALLEE BL. FUNCTIONAL TYROSYL RESIDUES IN THE ACTIVE CENTER OF BOVINE PANCREATIC CARBOXYPEPTIDASE A. Biochemistry. 2: 616-22. PMID 14069557 DOI: 10.1021/Bi00903A039  1
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