World's Best Scientists 2026 revealed!
Robert S. Haltiwanger

Robert S. Haltiwanger

D-Index & Metrics

Biology and Biochemistry

D-Index
74
Citations
16438
World Ranking
5724
National Ranking
2708

Chemistry

D-Index
70
Citations
14730
World Ranking
5990
National Ranking
1826

Robert S. Haltiwanger publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Robert S. Haltiwanger sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 205 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Robert S. Haltiwanger D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Robert S. Haltiwanger sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 74 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Robert S. Haltiwanger is affiliated with the University of Georgia in the United States. Their research primarily spans the fields of Biochemistry, Genetics, and Molecular Biology, with a notable focus on Molecular Biology and Immunology among subfields. The scientist's body of work covers various topics including Glycosylation and Glycoproteins Research, Developmental Biology and Gene Regulation, and Galectins and Cancer Biology, alongside Carbohydrate Chemistry and Synthesis, Connective Tissue Disorders Research, Protease and Inhibitor Mechanisms, and Lysosomal Storage Disorders Research.

Throughout their career, Robert S. Haltiwanger has contributed numerous publications, frequently appearing in journals such as the Journal of Biological Chemistry, The FASEB Journal, Glycobiology, bioRxiv (Cold Spring Harbor Laboratory), and Molecules.

Co-authorship has been an important aspect of their research, collaborating multiple times with the following researchers:

  • Atsuko Ito
  • Huilin Hao
  • Kenjiroo Matsumoto
  • Kelvin B. Luther
  • Megumi Takeuchi

Some recent papers authored by or involving Robert S. Haltiwanger include:

  • "Canonical Notch ligands and Fringes have distinct effects on NOTCH1 and NOTCH2," published in 2020 in the Journal of Biological Chemistry
  • "Fucosylation of HLA-DRB1 regulates CD4+ T cell-mediated anti-melanoma immunity and enhances immunotherapy efficacy," published in 2023 in Nature Cancer
  • "Fringe GlcNAc-transferases differentially extend O-fucose on endogenous NOTCH1 in mouse activated T cells," published in 2022 in the Journal of Biological Chemistry
  • "Diseases related to Notch glycosylation," published in 2020 in Molecular Aspects of Medicine
  • "POGLUT1 biallelic mutations cause myopathy with reduced satellite cells, α-dystroglycan hypoglycosylation and a distinctive radiological pattern," published in 2020 in Acta Neuropathologica

Best Publications

  • Fringe is a glycosyltransferase that modifies Notch

    Daniel J. Moloney;Vladislav M. Panin;Stuart H. Johnston;Stuart H. Johnston;Jihua Chen

  • Role of Glycosylation in Development

    Robert S Haltiwanger;John B Lowe

  • Glycosylation of nuclear and cytoplasmic proteins. Purification and characterization of a uridine diphospho-N-acetylglucosamine:polypeptide beta-N-acetylglucosaminyltransferase.

    Robert S. Haltiwanger;Mellissa A. Blomberg;Gerald Warren Hart

  • Nuclear pore complex glycoproteins contain cytoplasmically disposed O-linked N-acetylglucosamine.

    G. D. Holt;C. M. Snow;A. Senior;R. S. Haltiwanger

  • Glycosylation in the nucleus and cytoplasm

    Gerald W. Hart;Robert S. Haltiwanger;Gordon D. Holt;William G. Kelly

  • Enzymatic addition of O-GlcNAc to nuclear and cytoplasmic proteins. Identification of a uridine diphospho-N-acetylglucosamine:peptide beta-N-acetylglucosaminyltransferase.

    Robert S. Haltiwanger;Gordon D. Holt;Gerald Warren Hart

  • Biological functions of fucose in mammals.

    Michael Schneider;Esam Al-Shareffi;Esam Al-Shareffi;Robert S Haltiwanger;Robert S Haltiwanger

  • Mammalian Notch1 Is Modified with Two Unusual Forms ofO-Linked Glycosylation Found on Epidermal Growth Factor-like Modules

    Daniel J. Moloney;Louisa H. Shair;Frederick M. Lu;Jie Xia

  • Modulation of O-LinkedN-Acetylglucosamine Levels on Nuclear and Cytoplasmic Proteins in Vivo Using the PeptideO-GlcNAc-β-N-acetylglucosaminidase InhibitorO-(2-Acetamido-2-deoxy-dglucopyranosylidene)amino-N-phenylcarbamate

    Robert S. Haltiwanger;Kathleen Grove;Glenn A. Philipsberg

  • Rumi Is a CAP10 Domain Glycosyltransferase that Modifies Notch and Is Required for Notch Signaling

    Melih Acar;Hamed Jafar-Nejad;Hideyuki Takeuchi;Akhila Rajan

  • Modification of epidermal growth factor-like repeats with O-fucose. Molecular cloning and expression of a novel GDP-fucose protein O-fucosyltransferase.

    Yang Wang;Li Shao;Shaolin Shi;Reed J. Harris

  • Notch-Jagged complex structure implicates a catch bond in tuning ligand sensitivity.

    Vincent C. Luca;Vincent C. Luca;Byoung Choul Kim;Byoung Choul Kim;Chenghao Ge;Shinako Kakuda

  • Four-jointed is a Golgi kinase that phosphorylates a subset of cadherin domains.

    Hiroyuki O. Ishikawa;Hideyuki Takeuchi;Robert S. Haltiwanger;Kenneth D. Irvine

  • Dual roles of Cripto as a ligand and coreceptor in the nodal signaling pathway.

    Y-Ting. Yan;J-Jan. Liu;Y. Luo

  • Glycosylation of nuclear and cytoplasmic proteins is ubiquitous and dynamic

    Robert S. Haltiwanger;William G. Kelly;Elizabeth P. Roquemore;Melissa A. Blomberg

  • Fringe Modifies O-Fucose on Mouse Notch1 at Epidermal Growth Factor-like Repeats within the Ligand-binding Site and the Abruptex Region

    Li Shao;Daniel J. Moloney;Robert S. Haltiwanger

  • Notch Ligands Are Substrates for Protein O-Fucosyltransferase-1 and Fringe*

    Vladislav M. Panin;Li Shao;Liang Lei;Daniel J. Moloney

  • Regulation of mammalian Notch signaling and embryonic development by the protein O-glucosyltransferase Rumi

    Rodrigo Fernandez-Valdivia;Hideyuki Takeuchi;Amin Samarghandi;Mario Lopez

  • Erythrocytes contain cytoplasmic glycoproteins. O-linked GlcNAc on Band 4.1.

    G. D. Holt;R. S. Haltiwanger;C. R. Torres;Gerald Warren Hart

  • Emerging structural insights into glycosyltransferase-mediated synthesis of glycans

    Kelley W. Moremen;Robert S. Haltiwanger

  • Significance of glycosylation in Notch signaling.

    Hideyuki Takeuchi;Robert S. Haltiwanger

Frequent Co-Authors

Gerald W. Hart
Gerald W. Hart University of Georgia
Suneel S. Apte
Suneel S. Apte Case Western Reserve University
Pamela Stanley
Pamela Stanley Albert Einstein College of Medicine
Hudson H. Freeze
Hudson H. Freeze Discovery Institute
K. Christopher Garcia
K. Christopher Garcia Stanford University
Huilin Li
Huilin Li Van Andel Institute
Kenneth D. Irvine
Kenneth D. Irvine Rutgers, The State University of New Jersey
Rita Gerardy-Schahn
Rita Gerardy-Schahn Hannover Medical School
Howard R. Morris
Howard R. Morris Imperial College London

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