World's Best Scientists 2026 revealed!

D-Index & Metrics

Molecular Biology

D-Index
58
Citations
10896
World Ranking
2099
National Ranking
1040

Overview

Robert T. Simpson was affiliated with Pennsylvania State University in the United States. Their academic career involved research activities at this institution.

There are no recorded recent papers, co-authors, publication venues, book publications, fields or subfields of study, main topics of work, or awards attributed to this scientist in the available data.

The absence of detailed publication and research information limits the profile to the known affiliation and status of the scientist.

Robert T. Simpson is deceased.

Best Publications

  • Structure of the chromatosome, a chromatin particle containing 160 base pairs of DNA and all the histones.

    Robert T. Simpson

  • Chromatin reconstituted from tandemly repeated cloned DNA fragments and core histones: A model system for study of higher order structure

    Robert T. Simpson;Fritz Thoma;Joel M. Brubaker

  • Structural features of a phased nucleosome core particle.

    Robert T. Simpson;Darrell W. Stafford

  • FUNCTIONAL TYROSYL RESIDUES IN THE ACTIVE CENTER OF BOVINE PANCREATIC CARBOXYPEPTIDASE A.

    Robert T. Simpson;James F. Riordan;Bert L. Vallee

  • Nucleosome positioning can affect the function of a cis-acting DNA element in vivo.

    Robert T. Simpson

  • Structure of chromatin containing extensively acetylated H3 and H4

    Robert T. Simpson

  • Nucleosome positioning: occurrence, mechanisms, and functional consequences.

    Robert T. Simpson

  • The global transcriptional regulators, SSN6 and TUP1, play distinct roles in the establishment of a repressive chromatin structure

    Julia Promisel Cooper;Sharon Y. Roth;Robert T. Simpson

  • Chromatin and core particles formed from the inner histones and synthetic polydeoxyribonucleotides of defined sequence

    Robert T. Simpson;Peter Künzler

  • Nuclease digestion of circular TRP1ARS1 chromatin reveals positioned nucleosomes separated by nuclease-sensitive regions

    Fritz Thoma;Lawrence W. Bergman;Robert T. Simpson

  • Two differentiable classes of metal atoms in alkaline phosphatase of Escherichia coli.

    Robert T. Simpson;Bert L. Vallee

  • Nucleosomes are positioned with base pair precision adjacent to the alpha 2 operator in Saccharomyces cerevisiae

    Mitsuhiro Shimizu;Sharon Y. Roth;Christopher Szent-Gyorgyi;Robert T. Simpson

  • The Biochemical and Phenotypic Characterization of Hho1p, the Putative Linker Histone H1 of Saccharomyces cerevisiae

    Hugh G. Patterton;Carolyn Church Landel;David Landsman;Craig L. Peterson

  • Removal of histone H1 exposes a fifty base pair DNA segment between nucleosomes.

    James P. Whitlock;Robert T. Simpson

  • Circular dichroism of calf liver nucleohistone.

    Robert T. Simpson;Herbert A. Sober

  • Fractionation of chromatin components.

    Shoshana Levy;Robert T. Simpson;Herbert A. Sober

  • Yeast alpha 2 repressor positions nucleosomes in TRP1/ARS1 chromatin.

    S Y Roth;A Dean;R T Simpson

  • Stable nucleosome positioning and complete repression by the yeast alpha 2 repressor are disrupted by amino-terminal mutations in histone H4.

    Sharon Y. Roth;Mitsuhiro Shimizu;Lianna Johnson;Michael Grunstein

  • High-resolution structural analysis of chromatin at specific loci: Saccharomyces cerevisiae silent mating-type locus HMRa.

    Anish Ravindra;Kerstin Weiss;Robert T. Simpson

  • Selective stimulation of nonhistone chromatin protein synthesis in lymphoid cells by phytohemagglutinin.

    Ronald Levy;Shoshana Levy;Steven A. Rosenberg;Robert T. Simpson

Frequent Co-Authors

Bert L. Vallee
Bert L. Vallee Harvard University
Ayusman Sen
Ayusman Sen Pennsylvania State University
Shoshana Levy
Shoshana Levy Stanford University
Ann Dean
Ann Dean National Institutes of Health
William J. Rutter
William J. Rutter University of California, San Francisco
Jerry L. Workman
Jerry L. Workman Stowers Institute for Medical Research
Joram Piatigorsky
Joram Piatigorsky National Institutes of Health
Michael Bustin
Michael Bustin National Institutes of Health
Hong Ma
Hong Ma Pennsylvania State University
James E. Haber
James E. Haber Brandeis University

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Best Scientists Citing Robert T. Simpson