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D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
17788
World Ranking
11755
National Ranking
5056

Malcolm A. O'Neill 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 Malcolm A. O'Neill 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: 108 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Malcolm A. O'Neill 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 Malcolm A. O'Neill 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: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

Malcolm A. O'Neill is a researcher affiliated with the University of Georgia in the United States, specializing in Agricultural and Biological Sciences with a focus on Plant Science, Molecular Biology, and related fields. Their research engages extensively with plant molecular biology, particularly concerning plant cell walls and polysaccharides.

The scientist's work prominently features the study of polysaccharides and plant cell walls, with main research topics including:

  • Polysaccharides and Plant Cell Walls
  • Plant Molecular Biology Research
  • Plant nutrient uptake and metabolism
  • Polysaccharides Composition and Applications
  • Plant Reproductive Biology
  • Plant Micronutrient Interactions and Effects
  • Aluminum toxicity and tolerance in plants and animals

Malcolm A. O'Neill has published in several notable scientific journals, with a concentration in plant biology and biotechnology. Frequent publication venues include:

  • The Plant Cell
  • SLAS TECHNOLOGY
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Biotechnology for Biofuels
  • New Phytologist

Recent selected publications demonstrate a variety of topics focused on plant cell wall components, regulation mechanisms, and molecular protocols:

  • ERF4 and MYB52 transcription factors play antagonistic roles in regulating homogalacturonan de-methylesterification in Arabidopsis seed coat mucilage, 2020, The Plant Cell
  • Protocols for isolating and characterizing polysaccharides from plant cell walls: a case study using rhamnogalacturonan-II, 2021, Biotechnology for Biofuels
  • Cross species multi-omics reveals cell wall sequestration and elevated global transcript abundance as mechanisms of boron tolerance in plants, 2021, New Phytologist
  • Locating Methyl-Etherified and Methyl-Esterified Uronic Acids in the Plant Cell Wall Pectic Polysaccharide Rhamnogalacturonan II, 2020, SLAS TECHNOLOGY
  • A DE1 BINDING FACTOR 1-GLABRA2 module regulates rhamnogalacturonan I biosynthesis in Arabidopsis seed coat mucilage, 2022, The Plant Cell

The scientist collaborates frequently with several co-authors, reflecting a network of active research partnerships. Notable frequent co-authors include:

  • Breeanna R. Urbanowicz (7 publications)
  • Ian Black (5 publications)
  • María J. Peña (4 publications)
  • Yingzhen Kong (3 publications)
  • Sabina Koj (3 publications)

Malcolm A. O'Neill's contributions lie primarily in advancing the understanding of the molecular biology of plants, especially regarding cell wall structure and function. Their published works provide insights into transcription factor roles, polysaccharide characterization, and the genetic regulation of plant cell wall biosynthesis, supporting further exploration of plant nutrient mechanisms and tolerance to environmental stressors.

Best Publications

  • Pectins: structure, biosynthesis, and oligogalacturonide-related signaling.

    Brent L Ridley;Malcolm A O'Neill;Debra Mohnen

  • RHAMNOGALACTURONAN II: Structure and Function of a Borate Cross-Linked Cell Wall Pectic Polysaccharide

    Malcolm A. O'Neill;Tadashi Ishii;Peter Albersheim;Alan G. Darvill

  • Requirement of Borate Cross-Linking of Cell Wall Rhamnogalacturonan II for Arabidopsis Growth

    Malcolm A. O'Neill;Stefan Eberhard;Peter Albersheim;Alan G. Darvill

  • Rhamnogalacturonan-II, a Pectic Polysaccharide in the Walls of Growing Plant Cell, Forms a Dimer That Is Covalently Cross-linked by a Borate Ester IN VITRO CONDITIONS FOR THE FORMATION AND HYDROLYSIS OF THE DIMER

    Malcolm A. O'Neill;Dennis Warrenfeltz;Keith Kates;Patrice Pellerin

  • Complex pectin metabolism by gut bacteria reveals novel catalytic functions

    Didier Ndeh;Artur Rogowski;Artur Rogowski;Alan Cartmell;Ana S. Luis

  • The Pore Size of Non-Graminaceous Plant Cell Walls Is Rapidly Decreased by Borate Ester Cross-Linking of the Pectic Polysaccharide Rhamnogalacturonan II.

    Axel Fleischer;Malcolm A. O'Neill;Rudolf Ehwald

  • The Pectic Polysaccharides of Primary Cell Walls

    Malcolm O'neill;Peter Albersheim;Alan Darvill

  • A Reevaluation of the Key Factors That Influence Tomato Fruit Softening and Integrity

    Montserrat Saladié;Antonio J. Matas;Tal Isaacson;Matthew A. Jenks

  • Arabidopsis irregular xylem8 and irregular xylem9: Implications for the Complexity of Glucuronoxylan Biosynthesis

    Maria J. Peña;Ruiqin Zhong;Gong-Ke Zhou;Elizabeth A. Richardson

  • Isolation and analysis of cell walls from plant material.

    Robert R. Selvendran;Malcolm A. O'Neill

  • The Composition and Structure of Plant Primary Cell Walls

    Malcolm A. O'Neill;William S. York

  • Oligosaccharins—oligosaccharides that regulate growth, development and defence responses in plants

    Alan Darvill;Christopher Augur;Carl Bergmann;Russell W. Carlson

  • Structure of the acidic extracellular gelling polysaccharide produced by Pseudomonas elodea

    Malcolm A. O'Neill;Robert R. Selvendran;Victor J. Morris

  • An hypothesis: the same six polysaccharides are components of the primary cell walls of all higher plants.

    P. Albersheim;A.G. Darvill;M.A. O'Neill;H.A. Schols

  • Plant Nucleotide Sugar Formation, Interconversion, and Salvage by Sugar Recycling

    Maor Bar-Peled;Malcolm A. O'Neill

  • Occurrence of the primary cell wall polysaccharide rhamnogalacturonan II in pteridophytes, lycophytes, and bryophytes. Implications for the evolution of vascular plants.

    Toshiro Matsunaga;Tadashi Ishii;Sadamu Matsumoto;Masanobu Higuchi

  • Structural characterization of red wine rhamnogalacturonan II

    Patrice Pellerin;Thierry Doco;StEphane Vidal;Pascale Williams

  • The charophycean green algae provide insights into the early origins of plant cell walls

    Iben Sørensen;Filomena A. Pettolino;Antony Bacic;John Ralph

  • The plant cell wall polysaccharide rhamnogalacturonan II self-assembles into a covalently cross-linked dimer.

    Tadashi Ishii;Toshiro Matsunaga;Patrice Pellerin;Malcolm A. O'Neill

  • Membrane responses induced by oligogalacturonides in suspension‐cultured tobacco cells

    Yves Mathieu;Kurkdjian Armen;Hua Xia;Jean Guern

Frequent Co-Authors

Alan G. Darvill
Alan G. Darvill University of Georgia
William S. York
William S. York University of Georgia
Peter Albersheim
Peter Albersheim University of Georgia
Michael G. Hahn
Michael G. Hahn University of Georgia
Debra Mohnen
Debra Mohnen University of Georgia
Sivakumar Pattathil
Sivakumar Pattathil University of Georgia
Thierry Doco
Thierry Doco INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Bernard Henrissat
Bernard Henrissat Technical University of Denmark
Jean Guern
Jean Guern Centre national de la recherche scientifique, CNRS
Jocelyn K. C. Rose
Jocelyn K. C. Rose Cornell University

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