World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
47
Citations
8111
World Ranking
2539
National Ranking
199

Alfred J. Keys publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Alfred J. Keys sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 234 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

Alfred J. Keys D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Alfred J. Keys sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 47 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • Enzyme
  • Botany
  • Gene

Alfred J. Keys focuses on Biochemistry, RuBisCO, Photosynthesis, Photorespiration and Botany. His research on Biochemistry frequently connects to adjacent areas such as Hordeum vulgare. His RuBisCO research includes elements of Carbon dioxide and Pyruvate carboxylase.

His Pyruvate carboxylase study combines topics from a wide range of disciplines, such as Oxygenase and Efflux. His study on Carbon fixation is often connected to Specificity factor as part of broader study in Photosynthesis. His Photorespiration research is multidisciplinary, relying on both Electron transport chain, Glycine cleavage system, Serine, Phosphorylation and Oxygen.

His most cited work include:

  • Photorespiratory nitrogen cycle (454 citations)
  • Rubisco Activity: Effects of Drought Stress (353 citations)
  • Manipulation of Rubisco: the amount, activity, function and regulation (298 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Biochemistry, RuBisCO, Botany, Photosynthesis and Photorespiration. His RuBisCO research includes themes of Catalysis and Active site. His research in Botany intersects with topics in Nitrate and Horticulture.

His study in Photosynthesis is interdisciplinary in nature, drawing from both Assimilation, Serine, Carbon dioxide and Agronomy. His Photorespiration research is multidisciplinary, incorporating perspectives in Glycine, Biophysics and Ammonia. The concepts of his Pyruvate carboxylase study are interwoven with issues in Oxygenase, Limonium and Carboxylation.

He most often published in these fields:

  • Biochemistry (47.77%)
  • RuBisCO (30.36%)
  • Botany (29.91%)

What were the highlights of his more recent work (between 2004-2014)?

  • Botany (29.91%)
  • Agronomy (11.61%)
  • RuBisCO (30.36%)

In recent papers he was focusing on the following fields of study:

Alfred J. Keys mainly focuses on Botany, Agronomy, RuBisCO, Photosynthesis and Biotechnology. When carried out as part of a general Botany research project, his work on Paspalum dilatatum, Photorespiration and Medicinal plants is frequently linked to work in Cysteine proteinases, therefore connecting diverse disciplines of study. The various areas that he examines in his Agronomy study include Plant disease resistance and Fight-or-flight response.

RuBisCO is a subfield of Biochemistry that Alfred J. Keys tackles. His Photosynthesis research incorporates elements of Solanum, Food science and Carboxylation. His biological study spans a wide range of topics, including Genetically modified crops and Fungicide.

Between 2004 and 2014, his most popular works were:

  • Rubisco specificity factor tends to be larger in plant species from drier habitats and in species with persistent leaves (217 citations)
  • Rubisco regulation: a role for inhibitors (188 citations)
  • Expanding knowledge of the Rubisco kinetics variability in plant species: environmental and evolutionary trends (96 citations)

In his most recent research, the most cited papers focused on:

  • Enzyme
  • Botany
  • Gene

His primary scientific interests are in Botany, Photosynthesis, RuBisCO, Paspalum dilatatum and Cynodon dactylon. His biological study focuses on Photorespiration. His Photosynthesis study combines topics in areas such as Solanum and Food science.

His RuBisCO study is concerned with the field of Biochemistry as a whole. Alfred J. Keys is interested in Enzyme, which is a field of Biochemistry. His work deals with themes such as Japonica, Zoysia japonica and Stomatal conductance, which intersect with Cynodon dactylon.

Best Publications

  • Photorespiratory nitrogen cycle

    A. J. Keys;I. F. Bird;M. J. Cornelius;P. J. Lea

  • Rubisco Activity: Effects of Drought Stress

    Martin A. J. Parry;P. John Andralojc;Shahnaz Khan;Peter John Lea

  • Manipulation of Rubisco: the amount, activity, function and regulation

    M. A. J. Parry;P. J. Andralojc;R. A. C. Mitchell;P. J. Madgwick

  • Rubisco specificity factor tends to be larger in plant species from drier habitats and in species with persistent leaves

    Jeroni Galmés;Jaume Flexas;Alfred J. Keys;Josep Cifre

  • Rubisco regulation: a role for inhibitors

    Martin A. J. Parry;Alfred J. Keys;Pippa J. Madgwick;Ana E. Carmo-Silva

  • Photosynthesis, photorespiration and nitrogen metabolism

    Roger M. Wallsgrove;Alfred J. Keys;Peter J. Lea;Benjamin J. Miflin

  • The isolation and characterisation of a catalase-deficient mutant of barley (Hordeum vulgare L.).

    Alan C. Kendall;Alfred J. Keys;Janice C. Turner;Peter J. Lea

  • Expanding knowledge of the Rubisco kinetics variability in plant species: environmental and evolutionary trends

    Jeroni Galmés;Maxim V. Kapralov;P. John Andralojc;Miquel À. Conesa

  • A nocturnal inhibitor of carboxylation in leaves

    S. Gutteridge;S. Gutteridge;M. A. J. Parry;S. Burton;A. J. Keys

  • Increased levels of glutathione in a catalase-deficient mutant of barley (Hordeum vulgare L.)

    I.K. Smith;A.C. Kendall;A.J. Keys;J.C. Turner

  • The regulation of the biosynthesis of glutathione in leaves of barley (Hordeum vulgare L.)

    I.K. Smith;A.C. Kendall;A.J. Keys;J.C. Turner

  • Variation in the Specificity Factor of C3 Higher Plant Rubiscos Determined by the Total Consumption of Ribulose-P2

    M. A. J. Parry;A. J. Keys;S. Gutteridge

  • Intracellular site of sucrose synthesis in leaves

    Ivan F. Bird;Martin J. Cornelius;Alfred J. Keys;Charles P. Whittingham

  • Regulation of Rubisco by inhibitors in the light

    M. A. J. Parry;P. J. Andralojc;S. Parmar;A. J. Keys

  • Engineering Rubisco to change its catalytic properties

    Graeme Bainbridge;Graeme Bainbridge;Pippa Madgwick;Saroj Parmar;Rowan Mitchell

  • An engineered pathway for glyoxylate metabolism in tobacco plants aimed to avoid the release of ammonia in photorespiration

    Josirley de F C Carvalho;Josirley de F C Carvalho;Pippa J Madgwick;Stephen J Powers;Alfred J Keys

  • Increased capacity for photosynthesis in wheat grown at elevated CO2: the relationship between electron transport and carbon metabolism

    Dimah Z. Habash;Matthew J. Paul;Martin A J Parry;Alfred J. Keys

  • Oxidation and phosphorylation associated with the conversion of glycine to serine

    I.F. Bird;M.J. Cornelius;A.J. Keys;C.P. Whittingham

  • Photorespiration in C4 grasses remains slow under drought conditions.

    Ana E. Carmo-Silva;Stephen J. Powers;Alfred J. Keys;Maria Celeste Arrabaça

  • Rubisco: its role in photorespiration

    A. J. Keys

  • The Location of Glutamine Synthetase in Leaf Cells and its Role in the Reassimilation of Ammonia Released in Photorespiration

    Roger M. Wallsgrove;Alfred J. Keys;Ivan F. Bird;Martin J. Cornelius

  • The photorespiratory nitrogen-cycle

    B. J. Miflin;A. J. Keys;P. J. Lea;R. M. Wallsgrove

Frequent Co-Authors

Martin A. J. Parry
Martin A. J. Parry Lancaster University
David W. Lawlor
David W. Lawlor Rothamsted Research
Christine H. Foyer
Christine H. Foyer University of Birmingham
Toby J. A. Bruce
Toby J. A. Bruce Keele University
Peter J. Lea
Peter J. Lea Lancaster University
Hipólito Medrano
Hipólito Medrano University of the Balearic Islands
Benjamin J. Miflin
Benjamin J. Miflin The Hertz Corporation
Matthew J. Paul
Matthew J. Paul Rothamsted Research
Jaume Flexas
Jaume Flexas University of the Balearic Islands
Rowan A. C. Mitchell
Rowan A. C. Mitchell Rothamsted Research

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