World's Best Scientists 2026 revealed!
Paul J. J. Hooykaas

Paul J. J. Hooykaas

D-Index & Metrics

Genetics

D-Index
89
Citations
28417
World Ranking
1121
National Ranking
38

Paul J. J. Hooykaas publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Paul J. J. Hooykaas sits on this spectrum.

45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45 publications 703+

This scientist: 254 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

Paul J. J. Hooykaas D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where Paul J. J. Hooykaas sits on this spectrum.

40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40 D-Index 160+

This scientist: 89 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

Research.com Recognitions

  • 2003 - Royal Netherlands Academy of Arts and Sciences
  • 1991 - Member of Academia Europaea

Overview

Paul J. J. Hooykaas is affiliated with Leiden University in the Netherlands. Their research primarily lies within the fields of Biochemistry, Genetics and Molecular Biology, and Agricultural and Biological Sciences. This work notably engages with subfields such as Molecular Biology, Plant Science, Endocrinology, Genetics, and Biotechnology.

The scientist's research topics include plant tissue culture and regeneration, CRISPR and genetic engineering, chromosomal and genetic variations, plant-microbe interactions and immunity, legume nitrogen-fixing symbiosis, plant nutrient uptake and metabolism, and plant virus research studies.

Recent publications authored or co-authored by Paul J. J. Hooykaas cover a range of subjects related to plant molecular biology and genetic modification. Notable papers include:

  • Distinct mechanisms for genomic attachment of the 5' and 3' ends of Agrobacterium T-DNA in plants, 2022, Nature Plants
  • The Ti Plasmid, Driver of Agrobacterium Pathogenesis, 2023, Phytopathology
  • CRISPR/Cas9 Mutagenesis by Translocation of Cas9 Protein Into Plant Cells via the Agrobacterium Type IV Secretion System, 2020, Frontiers in Genome Editing
  • The genome sequence of hairy root Rhizobium rhizogenes strain LBA9402: Bioinformatics analysis suggests the presence of a new opine system in the agropine Ri plasmid, 2021, MicrobiologyOpen
  • Gene targeting in polymerase theta-deficient Arabidopsis thaliana, 2021, The Plant Journal

Frequent co-authors collaborating with Paul J. J. Hooykaas include Sylvia de Pater, Marcel Tijsterman, Robin van Schendel, Marjolein J. G. Hooykaas, and Lejon E. M. Kralemann.

The scientist regularly publishes in key journals such as The Plant Journal, PNAS Nexus, Research Square, Nature Plants, and Phytopathology.

Paul J. J. Hooykaas has been recognized with memberships in prestigious organizations including the Royal Netherlands Academy of Arts and Sciences since 2003 and Academia Europaea since 1991.

Best Publications

  • A PINOID-dependent binary switch in apical-basal PIN polar targeting directs auxin efflux.

    Jiří Friml;Xiong Yang;Xiong Yang;Marta Michniewicz;Dolf Weijers

  • Trans-kingdom T-DNA transfer from Agrobacterium tumefaciens to Saccharomyces cerevisiae.

    P. Bundock;A. Den Dulk-Ras;A. Beijersbergen;P. J. J. Hooykaas

  • Agrobacterium -mediated transformation as a tool for functional genomics in fungi

    Caroline B. Michielse;Paul J. J. Hooykaas;Cees A. M. J. J. van den Hondel;Arthur F. J. Ram

  • The PINOID protein kinase regulates organ development in Arabidopsis by enhancing polar auxin transport

    René Benjamins;Ab Quint;Dolf Weijers;Paul Hooykaas

  • The bases of crown gall tumorigenesis.

    Jun Zhu;Philippe M. Oger;Barbara Schrammeijer;Paul J. J. Hooykaas

  • Overexpression of a Novel Arabidopsis Gene Related to Putative Zinc-Transporter Genes from Animals Can Lead to Enhanced Zinc Resistance and Accumulation

    Bert J. van der Zaal;Leon W. Neuteboom;Johan E. Pinas;Agnes N. Chardonnens

  • Agrobacterium and plant genetic engineering

    Paul J. J. Hooykaas;Rob A. Schilperoort

  • VirB/D4-Dependent Protein Translocation from Agrobacterium into Plant Cells

    Annette C. Vergunst;Barbara Schrammeijer;Amke den Dulk-Ras;Clementine M. T. de Vlaam

  • Process for the incorporation of foreign dna into the genome of dicotyledonous plants

    Robbert A. Schilperoort;Andreas Hoekema;Paul J. J. Hooykaas

  • Crown gall plant tumors of abnormal morphology, induced by Agrobacterium tumefaciens carrying mutated octopine Ti plasmids; analysis of T-DNA functions

    Gert Ooms;Paul J.J. Hooykaas;Geri Moolenaar;Rob A. Schilperoort

  • The Virulence System of Agrobacterium Tumefaciens

    Alice Beijersbergen;Paul J. J. Hooykaas

  • Biochemistry and Molecular Biology of Plant Hormones

    P.J.J. Hooykaas

  • An Arabidopsis Minute-like phenotype caused by a semi-dominant mutation in a RIBOSOMAL PROTEIN S5 gene

    D. Weijers;M. Franke-Van Dijk;R.J. Vencken;A. Quint

  • Positive charge is an important feature of the C-terminal transport signal of the VirB/D4-translocated proteins of Agrobacterium

    Annette C. Vergunst;Miranda C. M. van Lier;Amke den Dulk-Ras;Thomas A. Grosse Stüve

  • The rhizobiaceae : molecular biology of model plant-associated bacteria

    Herman P. Spaink;Adam Kondorosi;Paul J. J. Hooykaas

  • Octopine Ti-plasmid deletion mutants of Agrobacterium tumefaciens with emphasis on the right side of the T-region

    Gert Ooms;Paul J.J. Hooykaas;Ron J.M. Van Veen;Patrick Van Beelen

  • Expression of Ti plasmid genes in monocotyledonous plants infected with Agrobacterium tumefaciens

    G. M. S. Hooykaas-Van Slogteren;P. J. J. Hooykaas;R. A. Schilperoort

  • Extrachromosomal homologous recombination and gene targeting in plant cells after Agrobacterium mediated transformation.

    R. Offringa;M. J. A. De Groot;H. J. Haagsman;M. P. Does

  • Conjugative transfer by the virulence system of Agrobacterium tumefaciens

    Alice Beijersbergen;Amke Den Dulk-Ras;Rob A. Schilperoort;Paul J. J. Hooykaas

  • Transformation of Aspergillus awamori by Agrobacterium tumefaciens-mediated homologous recombination.

    R. J. Gouka;C. Gerk;P. J. J. Hooykaas;P. Bundock

Frequent Co-Authors

Rob A. Schilperoort
Rob A. Schilperoort Leiden University
Remko Offringa
Remko Offringa Leiden University
Haico van Attikum
Haico van Attikum Leiden University Medical Center
Dolf Weijers
Dolf Weijers Wageningen University & Research
Marcel Tijsterman
Marcel Tijsterman Leiden University Medical Center
Arthur F. J. Ram
Arthur F. J. Ram Leiden University
Paolo Costantino
Paolo Costantino Sapienza University of Rome
Göran Sandberg
Göran Sandberg Umeå University
Beat Keller
Beat Keller University of Zurich

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