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D-Index & Metrics

Biology and Biochemistry

D-Index
49
Citations
12249
World Ranking
17885
National Ranking
7319

Karen E. Koch 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 Karen E. Koch 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: 114 publications — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Karen E. Koch 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 Karen E. Koch 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: 49 D-Index — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Overview

Karen E. Koch is affiliated with the University of Florida in the United States and has contributed extensively to the field of Agricultural and Biological Sciences, with a primary focus on Plant Science. Their work spans several subfields including Molecular Biology, Ecology, Evolution, Behavior and Systematics, Nutrition and Dietetics, and Cell Biology.

Their research covers a range of topics, notably:

  • Plant Parasitism and Resistance
  • Plant nutrient uptake and metabolism
  • Rice Cultivation and Yield Improvement
  • Plant responses to water stress
  • Plant and animal studies
  • Plant Molecular Biology Research
  • Chromosomal and Genetic Variations

Koch has published in several prominent academic venues. The most frequent publication venues include:

  • PLANT PHYSIOLOGY
  • Frontiers in Plant Science
  • The Plant Cell
  • Proceedings of the National Academy of Sciences
  • Science

Selected recent papers illustrate the scope and focus of their research. These include:

  • "Maize resistance to witchweed through changes in strigolactone biosynthesis," 2023, Science
  • "The sugar transporter ZmSUGCAR1 of the nitrate transporter 1/peptide transporter family is critical for maize grain filling," 2022, The Plant Cell
  • "BonnMu: A Sequence-Indexed Resource of Transposon-Induced Maize Mutations for Functional Genomics Studies," 2020, PLANT PHYSIOLOGY
  • "Causes and consequences of endogenous hypoxia on growth and metabolism of developing maize kernels," 2023, PLANT PHYSIOLOGY
  • "Maize domestication phenotypes reveal strigolactone networks coordinating grain size evolution with kernel-bearing cupule architecture," 2022, The Plant Cell

Koch has collaborated frequently with a number of researchers, including:

  • Jiahn-Chou Guan
  • Donald R. McCarty
  • Changsheng Li
  • Lemeng Dong
  • Eric A. Schmelz

Best Publications

  • CARBOHYDRATE-MODULATED GENE EXPRESSION IN PLANTS.

    K. E. Koch

  • Sucrose metabolism: regulatory mechanisms and pivotal roles in sugar sensing and plant development

    Karen Koch

  • Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport

    Davide Sosso;Dangping Luo;Qin Bao Li;Joelle Sasse

  • Soluble Invertase Expression Is an Early Target of Drought Stress during the Critical, Abortion-Sensitive Phase of Young Ovary Development in Maize

    Mathias Neumann Andersen;Folkard Asch;Yong Wu;Christian Richardt Jensen

  • Sucrose-Metabolizing Enzymes in Transport Tissues and Adjacent Sink Structures in Developing Citrus Fruit

    Cadance A. Lowell;Patricia T. Tomlinson;Karen E. Koch

  • Sugar Levels Modulate Differential Expression of Maize Sucrose Synthase Genes.

    Karen E. Koch;Kurt D. Nolte;Edwin R. Duke;Donald R. McCarty

  • Steady‐state transposon mutagenesis in inbred maize

    Donald R. McCarty;Andrew Mark Settles;Masaharu Suzuki;Bao Cai Tan

  • Regulation of assimilate import into sink organs: update on molecular drivers of sink strength.

    Saadia Bihmidine;Charles T Hunter;Christine E Johns;Karen E Koch

  • The maize W22 genome provides a foundation for functional genomics and transposon biology

    Nathan M. Springer;Sarah N. Anderson;Carson M. Andorf;Kevin R. Ahern

  • Companion-Cell Specific Localization of Sucrose Synthase in Zones of Phloem Loading and Unloading

    Kurt D. Nolte;Karen E. Koch

  • An Arabidopsis cell wall-associated kinase required for invertase activity and cell growth.

    Bruce D. Kohorn;Masaru Kobayashi;Sue Johansen;Jeff Riese

  • Rapid Repression of Maize Invertases by Low Oxygen. Invertase/Sucrose Synthase Balance, Sugar Signaling Potential, and Seedling Survival

    Ying Zeng;Yong Wu;Wayne T. Avigne;Karen E. Koch

  • Phosphorylation of serine-15 of maize leaf sucrose synthase. Occurrence in vivo and possible regulatory significance.

    S. C. Huber;J. L. Huber;P. C. Liao;D. A. Gage

  • Carbon Cost of the Fungal Symbiont Relative to Net Leaf P Accumulation in a Split-Root VA Mycorrhizal Symbiosis.

    David D. Douds;Charles R. Johnson;Karen E. Koch

  • Photosynthate Partitioning in Split-Root Citrus Seedlings with Mycorrhizal and Nonmycorrhizal Root Systems

    Karen E. Koch;Charles R. Johnson

  • A Similar Dichotomy of Sugar Modulation and Developmental Expression Affects Both Paths of Sucrose Metabolism: Evidence from a Maize Invertase Gene Family.

    Jian Xu;Wayne T. Avigne;Donald R. McCarty;Karen E. Koch

  • Carbon partitioning in sugarcane (Saccharum species).

    Jianping Wang;Spurthi Nayak;Karen Koch;Ray Ming

  • Multiple paths of sugar-sensing and a sugar/oxygen overlap for genes of sucrose and ethanol metabolism

    Karen E. Koch;Zeng Ying;Yong Wu;Wayne T. Avigne

  • Genetic Resources for Maize Cell Wall Biology

    Bryan W. Penning;Charles T. Hunter;Reuben Tayengwa;Andrea L. Eveland

  • Differential regulation of sugar-sensitive sucrose synthases by hypoxia and anoxia indicate complementary transcriptional and posttranscriptional responses

    Ying Zeng;Yong Wu;Wayne T. Avigne;Karen E. Koch

Frequent Co-Authors

Donald R. McCarty
Donald R. McCarty University of Florida
Prem S. Chourey
Prem S. Chourey United States Department of Agriculture
Nicholas C. Carpita
Nicholas C. Carpita Purdue University West Lafayette
Maureen C. McCann
Maureen C. McCann Purdue University West Lafayette
Wilfred Vermerris
Wilfred Vermerris University of Florida
Doreen Ware
Doreen Ware Cold Spring Harbor Laboratory
Mathias Neumann Andersen
Mathias Neumann Andersen Aarhus University
Anthony B. Bleecker
Anthony B. Bleecker University of Wisconsin–Madison
Joachim Messing
Joachim Messing Rutgers, The State University of New Jersey
Edward S. Buckler
Edward S. Buckler Cornell University

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