World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
68
Citations
12965
World Ranking
7975
National Ranking
3610

Greg A. Johnson 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 Greg A. Johnson 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: 142 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Greg A. Johnson 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 Greg A. Johnson 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: 68 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

Greg A. Johnson is affiliated with Texas A&M University in the United States. Their research primarily focuses on areas within Medicine and Biochemistry, Genetics and Molecular Biology. The main topics covered by their work include reproductive physiology in livestock, reproductive system and pregnancy, and cell adhesion molecules research. Additionally, their research touches on pregnancy and preeclampsia studies, animal behavior and welfare studies, glioma diagnosis and treatment, and reproductive biology and fertility.

Johnson has contributed publications across several notable scientific venues. Frequent publication venues include the Journal of Animal Science, Biology of Reproduction, Reproduction, Endocrinology, and Advances in Anatomy, Embryology and Cell Biology.

Co-authorship is a significant aspect of Johnson's work. Recurring collaborators include Fuller W. Bazer, Heewon Seo, Robert C. Burghardt, Joe W. Cain, and Kyle J. Hickman-Brown.

Among their recent papers are:

  • Steroids Regulate SLC2A1 and SLC2A3 to Deliver Glucose Into Trophectoderm for Metabolism via Glycolysis, 2020, Endocrinology
  • Pig conceptuses secrete interferon gamma to recruit T cells to the endometrium during the peri-implantation period, 2020, Biology of Reproduction
  • Implantation and Placentation in Ruminants, 2021, Advances in Anatomy, Embryology and Cell Biology
  • Loss of ITGB3 in ovine conceptuses decreases conceptus expression of NOS3 and SPP1: implications for the developing placental vasculature, 2020, Biology of Reproduction
  • Integrins and OPN localize to adhesion complexes during placentation in sheep, 2020, Reproduction

Johnson's research spans several subfields, notably agronomy and crop science, immunology, molecular biology, immunology and allergy, and obstetrics and gynecology.

Best Publications

  • HOTAIR IS A NEGATIVE PROGNOSTIC FACTOR AND EXHIBITS PRO-ONCOGENIC ACTIVITY IN PANCREATIC CANCER

    KyoungHyun Kim;Indira Jutooru;Gayathri Chadalapaka;Greg Johnson

  • Proline and hydroxyproline metabolism: implications for animal and human nutrition

    Guoyao Wu;Guoyao Wu;Fuller W. Bazer;Robert C. Burghardt;Gregory A. Johnson

  • Developmental Biology of Uterine Glands

    C. Allison Gray;Frank F. Bartol;Becky J. Tarleton;Anne A. Wiley

  • Comparative aspects of implantation

    Fuller W Bazer;Thomas E Spencer;Greg A Johnson;Robert C Burghardt

  • Progesterone and Placental Hormone Actions on the Uterus: Insights from Domestic Animals

    Thomas E. Spencer;Greg A. Johnson;Robert C. Burghardt;Fuller W. Bazer

  • Implantation mechanisms: insights from the sheep.

    Thomas E Spencer;Greg A Johnson;Fuller W Bazer;Robert C Burghardt

  • Novel pathways for implantation and establishment and maintenance of pregnancy in mammals

    Fuller W. Bazer;Guoyao Wu;Thomas E. Spencer;Greg A. Johnson

  • Osteopontin: roles in implantation and placentation.

    Greg A. Johnson;Robert C. Burghardt;Fuller W. Bazer;Thomas E. Spencer

  • Pregnancy recognition and conceptus implantation in domestic ruminants: roles of progesterone, interferons and endogenous retroviruses

    Thomas E Spencer;Greg A Johnson;Fuller W Bazer;Robert C Burghardt

  • Important roles for the arginine family of amino acids in swine nutrition and production

    Guoyao Wu;Guoyao Wu;Guoyao Wu;Fuller W. Bazer;Teresa A. Davis;Teresa A. Davis;Laurie A. Jaeger

  • Conceptus signals for establishment and maintenance of pregnancy

    T.E Spencer;R.C Burghardt;G.A Johnson;F.W Bazer

  • Impacts of arginine nutrition on embryonic and fetal development in mammals.

    Guoyao Wu;Guoyao Wu;Fuller W. Bazer;M. Carey Satterfield;Xilong Li

  • Triennial Growth Symposium: important roles for L-glutamine in swine nutrition and production.

    G. Wu;F. W. Bazer;G. A. Johnson;D. A. Knabe

  • Muc-1, Integrin, and Osteopontin Expression During the Implantation Cascade in Sheep

    Greg A. Johnson;Fuller W. Bazer;Laurie A. Jaeger;Hakhyun Ka

  • Impacts of amino acid nutrition on pregnancy outcome in pigs: mechanisms and implications for swine production.

    G. Wu;F. W. Bazer;R. C. Burghardt;G. A. Johnson

  • Interferons and progesterone for establishment and maintenance of pregnancy: interactions among novel cell signaling pathways.

    Fuller W. Bazer;Robert C. Burghardt;Greg A. Johnson;Thomas E. Spencer

  • Integrins and Extracellular Matrix Proteins at the Maternal-Fetal Interface in Domestic Animals

    Robert C Burghardt;Greg A Johnson;Laurie A Jaeger;Hakhyun Ka

  • Select Nutrients in the Ovine Uterine Lumen. I. Amino Acids, Glucose, and Ions in Uterine Lumenal Flushings of Cyclic and Pregnant Ewes

    Haijun Gao;Guoyao Wu;Thomas E. Spencer;Greg A. Johnson

  • Polyamine Synthesis from Proline in the Developing Porcine Placenta

    Guoyao Wu;Fuller W. Bazer;Jianbo Hu;Greg A. Johnson

  • Review article Important roles for the arginine family of amino acids in swine nutrition and production

    Guoyao Wu;Fuller W. Bazer;Teresa A. Davis;Laurie A. Jaeger

Frequent Co-Authors

Fuller W. Bazer
Fuller W. Bazer Texas A&M University
Robert C. Burghardt
Robert C. Burghardt Texas A&M University
Thomas E. Spencer
Thomas E. Spencer University of Missouri
Guoyao Wu
Guoyao Wu Texas A&M University
Gwonhwa Song
Gwonhwa Song Korea University
Jin Young Kim
Jin Young Kim Seoul National University
Ronald R. Magness
Ronald R. Magness University of South Florida
Sung Woo Kim
Sung Woo Kim North Carolina State University
Troy L. Ott
Troy L. Ott Pennsylvania State University
Yulong Yin
Yulong Yin Chinese Academy of Sciences

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