World's Best Scientists 2026 revealed!
Barry J. Shelp

Barry J. Shelp

D-Index & Metrics

Biology and Biochemistry

D-Index
56
Citations
11656
World Ranking
14403
National Ranking
505

Barry J. Shelp 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 Barry J. Shelp 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: 175 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Barry J. Shelp 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 Barry J. Shelp 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: 56 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Overview

Barry J. Shelp is affiliated with the University of Guelph in Canada and has contributed extensively to the agricultural and biological sciences. Their research largely focuses on plant science, with particular attention to topics such as GABA and rice research, plant nutrient uptake and metabolism, and plant physiology and cultivation studies. Other areas of study include plant genetic and mutation studies, flowering plant growth and cultivation, growth and nutrition in plants, as well as medicinal plants and neuroprotection.

Among the recent papers authored or co-authored by Barry J. Shelp are:

  • γ-Aminobutyrate (GABA) Regulated Plant Defense: Mechanisms and Opportunities (2021), published in Plants
  • Does the GABA Shunt Regulate Cytosolic GABA? (2020), published in Trends in Plant Science
  • Glutamate decarboxylase-1 is essential for efficient acclimation of Arabidopsis thaliana to nutritional phosphorus deprivation (2023), published in New Phytologist
  • γ-Aminobutyrate Improves the Postharvest Marketability of Horticultural Commodities: Advances and Prospects (2022), published in Frontiers in Plant Science
  • Further optimization of macronutrient delivery for subirrigated greenhouse-grown chrysanthemums: calcium and magnesium (2020), published in Canadian Journal of Plant Science

Barry J. Shelp has collaborated frequently with other researchers. The most common co-authors include Edward J. Flaherty, Gordon J. Hoover, Alyna J. Donetz, Katherine R. Teeter-Wood, and Morteza Soleimani Aghdam.

Their work has been published predominantly in the Canadian Journal of Plant Science, with additional publications in journals such as Plants, Zenodo (CERN European Organization for Nuclear Research), Trends in Plant Science, and New Phytologist.

Barry J. Shelp's main field of study is categorized broadly under agricultural and biological sciences. Within this, subfields include:

  • Plant Science
  • Food Science
  • Complementary and alternative medicine
  • Cellular and Molecular Neuroscience
  • Nutrition and Dietetics

Their main topics of work cover areas such as:

  • GABA and Rice Research
  • Plant nutrient uptake and metabolism
  • Plant Physiology and Cultivation Studies
  • Plant Genetic and Mutation Studies
  • Flowering Plant Growth and Cultivation
  • Growth and nutrition in plants
  • Medicinal Plants and Neuroprotection

Best Publications

  • Metabolism and functions of gamma-aminobutyric acid

    Barry J Shelp;Alan W Bown;Michael D McLean

  • Boron mobility in plants

    Patrick H. Brown;Barry J. Shelp

  • The Metabolism and Functions of [gamma]-Aminobutyric Acid.

    Alan W. Bown;Barry J. Shelp

  • Hypothesis/review: contribution of putrescine to 4-aminobutyrate (GABA) production in response to abiotic stress.

    Barry J. Shelp;Gale G. Bozzo;Christopher P. Trobacher;Adel Zarei

  • GABA controls the level of quorum-sensing signal in Agrobacterium tumefaciens.

    Romain Chevrot;Ran Rosen;Elise Haudecoeur;Amélie Cirou

  • Calcium/Calmodulin Activation of Soybean Glutamate Decarboxylase.

    W. A. Snedden;T. Arazi;H. Fromm;B. J. Shelp

  • Plant GABA: Not Just a Metabolite

    Alan W. Bown;Barry J. Shelp

  • Physiology and biochemistry of boron in plants

    B. J. Shelp

  • Gamma-aminobutyrate: defense against invertebrate pests?

    Alan W. Bown;Kennaway B. MacGregor;Barry J. Shelp

  • Molecular and biochemical analysis of calmodulin interactions with the calmodulin-binding domain of plant glutamate decarboxylase.

    Tzahi Arazi;Gideon Baum;Wayne A. Snedden;Barry J. Shelp

  • γ-Hydroxybutyrate accumulation in Arabidopsis and tobacco plants is a general response to abiotic stress: putative regulation by redox balance and glyoxylate reductase isoforms

    Wendy L. Allan;Jeffrey P. Simpson;Shawn M. Clark;Barry J. Shelp

  • Increased nitrogen-use efficiency in transgenic rice plants over-expressing a nitrogen-responsive early nodulin gene identified from rice expression profiling.

    Yong-Mei Bi;Surya Kant;Joseph Clark;Satinder Gidda

  • Extracellular γ-Aminobutyrate Mediates Communication between Plants and Other Organisms

    Barry J. Shelp;Alan W. Bown;Denis Faure

  • Compartmentation of GABA metabolism raises intriguing questions

    Barry J. Shelp;Robert T. Mullen;Jeffrey C. Waller

  • Proline antagonizes GABA-induced quenching of quorum-sensing in Agrobacterium tumefaciens.

    E. Haudecoeur;S. Planamente;A. Cirou;M. Tannières

  • Identification and characterization of GABA, proline and quaternary ammonium compound transporters from Arabidopsis thaliana.

    Kevin E. Breitkreuz;Kevin E. Breitkreuz;Barry J. Shelp;Wolf N. Fischer;Rainer Schwacke

  • A Novel γ-Hydroxybutyrate Dehydrogenase IDENTIFICATION AND EXPRESSION OF AN ARABIDOPSIS cDNA AND POTENTIAL ROLE UNDER OXYGEN DEFICIENCY

    Kevin E. Breitkreuz;Wendy L. Allan;Owen R. Van Cauwenberghe;Cornelis Jakobs

  • Boron mobility in plants

    Barry J. Shelp;Eduardo Marentes;Alice M. Kitheka;Pathmanathan Vivekanandan

  • Biochemical characterization, mitochondrial localization, expression, and potential functions for an Arabidopsis γ-aminobutyrate transaminase that utilizes both pyruvate and glyoxylate

    Shawn M. Clark;Rosa Di Leo;Preetinder K. Dhanoa;Owen R. Van Cauwenberghe

  • 4-Aminobutyrate (GABA): a metabolite and signal with practical significance

    Barry J. Shelp;Alan W. Bown;Adel Zarei

Frequent Co-Authors

Jennifer R. DeEll
Jennifer R. DeEll Ministry of Agriculture, Food and Rural Affairs
Craig A. Atkins
Craig A. Atkins University of Western Australia
Robert T. Mullen
Robert T. Mullen University of Guelph
John S. Pate
John S. Pate University of Western Australia
David B. Layzell
David B. Layzell University of Calgary
Hillel Fromm
Hillel Fromm Tel Aviv University
Doris Rentsch
Doris Rentsch University of Bern
Steven J. Rothstein
Steven J. Rothstein University of Guelph
David T. Canvin
David T. Canvin Queen's University
Jonathan A. Newman
Jonathan A. Newman Wilfrid Laurier University

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