World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
90
Citations
23591
World Ranking
2480
National Ranking
1309

Karl J. Kramer 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 Karl J. Kramer 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: 288 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Karl J. Kramer 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 Karl J. Kramer 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: 90 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1986 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Karl J. Kramer is affiliated with Kansas State University in the United States. Their research contributions focus primarily on biochemistry, genetics, and molecular biology, with a significant emphasis on agricultural and biological sciences. The scientist's work spans multiple specialized fields including molecular biology, insect science, cellular and molecular neuroscience, biomaterials, and public health, environmental, and occupational health.

The research topics Karl J. Kramer has addressed include:

  • Insect symbiosis and bacterial influences
  • Studies on chitinases and chitosanases
  • Insect resistance and genetics
  • Neurobiology and insect physiology research
  • Entomopathogenic microorganisms in pest control
  • Silk-based biomaterials and applications
  • Mosquito-borne diseases and control

The scientist has published extensively in several notable venues. The frequent publication venues include:

  • Insect Biochemistry and Molecular Biology
  • SSRN Electronic Journal
  • Research Square (Research Square)
  • Frontiers in Cell and Developmental Biology
  • Communications Biology

Some recent papers authored or coauthored by Karl J. Kramer include:

  • "Yellow-g and Yellow-g2 proteins are required for egg desiccation resistance and temporal pigmentation in the Asian tiger mosquito, Aedes albopictus" (2020), published in Insect Biochemistry and Molecular Biology
  • "Yellow-y Functions in Egg Melanization and Chorion Morphology of the Asian Tiger Mosquito, Aedes albopictus" (2021), published in Frontiers in Cell and Developmental Biology
  • "AA15 lytic polysaccharide monooxygenase is required for efficient chitinous cuticle turnover during insect molting" (2022), published in Communications Biology
  • "Temporal changes in the physical and mechanical properties of beetle elytra during maturation" (2022), published in Acta Biomaterialia
  • "Chitin deacetylases are necessary for insect femur muscle attachment and mobility" (2022), published in Proceedings of the National Academy of Sciences

Karl J. Kramer frequently collaborates with several researchers, including:

  • Mi Young Noh
  • Subbaratnam Muthukrishnan
  • Yasuyuki Arakane
  • Seulgi Mun
  • Myeongjin Kim

In 1986, Karl J. Kramer was recognized as a Fellow of the American Association for the Advancement of Science (AAAS).

Best Publications

  • The genome of the model beetle and pest Tribolium castaneum.

    Stephen Richards;Richard A. Gibbs;George M. Weinstock;Susan J. Brown

  • Insect chitinases: molecular biology and potential use as biopesticides.

    Karl J Kramer;Subbaratnam Muthukrishnan

  • Insect Cuticle Sclerotization

    Theodore L Hopkins;Karl J Kramer

  • C-terminal domains of Listeria monocytogenes bacteriophage murein hydrolases determine specific recognition and high-affinity binding to bacterial cell wall carbohydrates

    Martin J. Loessner;Karl Kramer;Frank Ebel;Siegfried Scherer

  • Laccase 2 is the phenoloxidase gene required for beetle cuticle tanning

    Yasuyuki Arakane;Subbaratnam Muthukrishnan;Richard W. Beeman;Michael R. Kanost

  • PROTEINASE-MEDIATED INSECT RESISTANCE TO BACILLUS THURINGIENSIS TOXINS

    Brenda Oppert;Karl J. Kramer;Richard W. Beeman;Donovan Johnson

  • Insect chitin: Physical state, synthesis, degradation and metabolic regulation

    Karl J. Kramer;Karl J. Kramer;Daizo Koga

  • The Tribolium chitin synthase genes TcCHS1 and TcCHS2 are specialized for synthesis of epidermal cuticle and midgut peritrophic matrix.

    Y. Arakane;S. Muthukrishnan;K. J. Kramer;K. J. Kramer;C. A. Specht

  • Sequence of a cDNA and expression of the gene encoding epidermal and gut chitinases of Manduca sexta.

    Karl J. Kramer;Lolita Corpuz;Hee K. Choi;Subbaratnam Muthukrishnan

  • Chitin Metabolism in Insects

    Subbaratnam Muthukrishnan;Hans Merzendorfer;Yasuyuki Arakane;Karl J. Kramer

  • Oxidative conjugation of catechols with proteins in insect skeletal systems

    Karl J Kramer;Michael R Kanost;Theodore L Hopkins;Haobo Jiang

  • Functional specialization among insect chitinase family genes revealed by RNA interference

    Qingsong Zhu;Yasuyuki Arakane;Richard W. Beeman;Karl J. Kramer

  • Ultrastructure, Physiology, and Biochemistry of Bacillus Thuringiensis

    L. A. Bulla;D. B. Bechtel;K. J. Kramer;Y. I. Shethna

  • Aromatic cross-links in insect cuticle: detection by solid-state 13C and 15N NMR.

    Jacob Schaefer;Karl J. Kramer;Karl J. Kramer;Joel R. Garbow;Gary S. Jacob

  • Characterization of cDNAs encoding putative laccase-like multicopper oxidases and developmental expression in the tobacco hornworm, Manduca sexta, and the malaria mosquito, Anopheles gambiae

    Neal T Dittmer;Richard J Suderman;Haobo Jiang;Yu-Cheng Zhu

  • Insect resistance of transgenic tobacco expressing an insect chitinase gene

    Xiongfei Ding;Bhuvana Gopalakrishnan;Lowell B. Johnson;Frank F. White

  • Characterization of the entomocidal parasporal crystal of Bacillus thuringiensis.

    L A Bulla;K J Kramer;L I Davidson

  • Applications of Solids NMR to the Analysis of Insect Sclerotized Structures

    Karl J. Kramer;Theodore L. Hopkins;Jacob Schaefer

  • Chitin synthases are required for survival, fecundity and egg hatch in the red flour beetle, Tribolium castaneum.

    Yasuyuki Arakane;Charles A. Specht;Karl J. Kramer;Karl J. Kramer;Subbaratnam Muthukrishnan

  • Characterization of two chitin synthase genes of the red flour beetle, Tribolium castaneum, and alternate exon usage in one of the genes during development.

    Yasuyuki Arakane;David G. Hogenkamp;Yu Cheng Zhu;Karl J. Kramer;Karl J. Kramer

Frequent Co-Authors

Subbaratnam Muthukrishnan
Subbaratnam Muthukrishnan Kansas State University
Richard W. Beeman
Richard W. Beeman Agricultural Research Service
Michael R. Kanost
Michael R. Kanost Kansas State University
Brenda Oppert
Brenda Oppert Agricultural Research Service
Jacob Schaefer
Jacob Schaefer Washington University in St. Louis
Charles A. Specht
Charles A. Specht University of Massachusetts Chan Medical School
John H. Law
John H. Law University of Arizona
Rene Kizek
Rene Kizek University of Veterinary and Pharmaceutical Sciences
Paul A. Seib
Paul A. Seib Kansas State University
Lee A. Bulla
Lee A. Bulla The University of Texas at Dallas

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