World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
48
Citations
8320
World Ranking
2414
National Ranking
606

Deborah A. Samac 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 Deborah A. Samac 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: 161 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Deborah A. Samac 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 Deborah A. Samac 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: 48 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2012 - Fellow of the American Phytopathological Society

Overview

What is she best known for?

The fields of study she is best known for:

  • Gene
  • Botany
  • Bacteria

Deborah A. Samac mainly focuses on Botany, Gene, Biochemistry, Gene expression and Genetically modified crops. Her Botany research integrates issues from Nutrient and Agronomy. Her study on Gene is mostly dedicated to connecting different topics, such as Molecular biology.

The concepts of her Biochemistry study are interwoven with issues in Phosphorus deficiency and Root nodule. Her Gene expression research is multidisciplinary, incorporating elements of Medicago truncatula and Regulation of gene expression. Her research integrates issues of Secondary cell wall, Food science and Transformation in her study of Genetically modified crops.

Her most cited work include:

  • Overexpression of Malate Dehydrogenase in Transgenic Alfalfa Enhances Organic Acid Synthesis and Confers Tolerance to Aluminum (289 citations)
  • Isolation and Characterization of the Genes Encoding Basic and Acidic Chitinase in Arabidopsis thaliana. (266 citations)
  • Recent Advances in Legume Transformation (241 citations)

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

Her main research concerns Botany, Gene, Genetics, Medicago truncatula and Medicago sativa. Her biological study spans a wide range of topics, including Genetically modified crops, Transgene, Medicago and Root nodule. Her study looks at the intersection of Root nodule and topics like Sinorhizobium meliloti with Rhizobia and Streptomyces isolates.

Her work on Molecular biology expands to the thematically related Gene. As a member of one scientific family, she mostly works in the field of Medicago truncatula, focusing on Erysiphe pisi and, on occasion, Genotype. Her Medicago sativa research is multidisciplinary, incorporating perspectives in Plant stem, Horticulture and Lignin.

She most often published in these fields:

  • Botany (42.86%)
  • Gene (33.54%)
  • Genetics (26.09%)

What were the highlights of her more recent work (between 2016-2021)?

  • Microbiology (22.36%)
  • Agronomy (19.25%)
  • Horticulture (13.04%)

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

Her primary areas of investigation include Microbiology, Agronomy, Horticulture, Medicago sativa and Genetics. The Microbiology study combines topics in areas such as Antibacterial activity and Rhizobia. Her Medicago sativa research incorporates themes from Molecular biology, Reporter gene, Medicago and Promoter.

Her research in the fields of Candidate gene, Gene and Plant disease resistance overlaps with other disciplines such as Aphanomyces euteiches and Dilution. Her Gene study frequently draws connections to other fields, such as Effector. Her study in Colletotrichum trifolii is interdisciplinary in nature, drawing from both Medicago truncatula and Pseudomonas syringae.

Between 2016 and 2021, her most popular works were:

  • Plant Defensin Peptides have Antifungal and Antibacterial Activity Against Human and Plant Pathogens. (20 citations)
  • Plant Defensin Peptides have Antifungal and Antibacterial Activity Against Human and Plant Pathogens. (20 citations)
  • Forage accumulation and nutritive value of reduced lignin and reference alfalfa cultivars (19 citations)

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

  • Gene
  • Botany
  • Bacteria

Deborah A. Samac spends much of her time researching Microbiology, Antimicrobial, Antibacterial activity, Peptide sequence and Microbial population biology. Her studies deal with areas such as In vitro and Transgene as well as Microbiology. Her study on Transgene is mostly dedicated to connecting different topics, such as Medicago truncatula.

Her Medicago truncatula study combines topics in areas such as Plant disease resistance, Linkage disequilibrium and Quantitative trait locus. Her Peptide sequence research entails a greater understanding of Biochemistry. Her Microbial population biology research incorporates elements of Ecology, Productivity, Soil water, Soil test and Cover crop.

Best Publications

  • Overexpression of Malate Dehydrogenase in Transgenic Alfalfa Enhances Organic Acid Synthesis and Confers Tolerance to Aluminum

    Mesfin Tesfaye;Stephen J. Temple;Deborah L. Allan;Carroll P. Vance

  • Recent Advances in Legume Transformation

    David A. Somers;Deborah A. Samac;Paula M. Olhoft

  • Isolation and Characterization of the Genes Encoding Basic and Acidic Chitinase in Arabidopsis thaliana.

    Deborah A. Samac;Cathy M. Hironaka;Peter E. Yallaly;Dilip M. Shah

  • Plant improvement for tolerance to aluminum in acid soils – a review

    Deborah A. Samac;Mesfin Tesfaye

  • Transcript Analysis of Early Nodulation Events in Medicago truncatula

    Dasharath Prasad Lohar;Natalya Sharopova;Gabriella Endre;Silvia Peñuela

  • Biological control of Phytophthora root rots on alfalfa and soybean with Streptomyces

    Kun Xiao;Linda L. Kinkel;Deborah A. Samac

  • Alfalfa (Medicago sativa L.).

    Deborah A. Samac;Sandra Austin-Phillips

  • Signaling of phosphorus deficiency‐induced gene expression in white lupin requires sugar and phloem transport

    Junqi Liu;Deborah A. Samac;Bruna Bucciarelli;Deborah L. Allan

  • Developmental and Pathogen-Induced Activation of the Arabidopsis Acidic Chitinase Promoter.

    Deborah A. Samac;Dilip M. Shah

  • Modifying crops to increase cell wall digestibility

    Hans Joachim G. Jung;Deborah A. Samac;Gautam Sarath

  • Alfalfa (Medicago sativa L.) resistance to the root-lesion nematode, Pratylenchus penetrans: defense-response gene mRNA and isoflavonoid phytoalexin levels in roots.

    Gerald D. Baldridge;Nichole R. O'Neill;Deborah A. Samac

  • Transcriptome profiling identified novel genes associated with aluminum toxicity, resistance and tolerance in Medicago truncatula.

    Divya Chandran;Natasha Sharopova;Sergey Ivashuta;J. Stephen Gantt

  • Cloning and characterization of red clover polyphenol oxidase cDNAs and expression of active protein in Escherichia coli and transgenic alfalfa.

    Michael L. Sullivan;Ronald D. Hatfield;Sharon L. Thoma;Deborah A. Samac

  • Population Density and Harvest Maturity Effects on Leaf and Stem Yield in Alfalfa

    Jo Ann F.S. Lamb;Craig C. Sheaffer;Deborah A. Samac

  • Recent advances in legume-microbe interactions : Recognition, defense response, and symbiosis from a genomic perspective

    Deborah A. Samac;Michelle A. Graham;Michelle A. Graham

  • Spatial variation in frequency and intensity of antibiotic interactions among Streptomycetes from prairie soil.

    Anita L. Davelos;Linda L. Kinkel;Deborah A. Samac

  • A comparison of constitutive promoters for expression of transgenes in alfalfa (Medicago sativa).

    Deborah A. Samac;Mesfin Tesfaye;Melinda Dornbusch;Purev Saruul

  • Biodegradation of atrazine in transgenic plants expressing a modified bacterial atrazine chlorohydrolase ( atzA ) gene

    Lin Wang;Deborah A. Samac;Nir Shapir;Lawrence P. Wackett

  • Malate plays a central role in plant nutrition

    J. Schulze;M. Tesfaye;R. H. M. G. Litjens;B. Bucciarelli

  • Nitrogen assimilation in alfalfa: isolation and characterization of an asparagine synthetase gene showing enhanced expression in root nodules and dark-adapted leaves.

    L Shi;S N Twary;H Yoshioka;R G Gregerson

  • Production of a Biodegradable Plastic Polymer, Poly-β-Hydroxybutyrate, in Transgenic Alfalfa

    Purev Saruul;Friedrich Srienc;David A. Somers;Deborah A. Samac

  • Isolation andCharacterization oftheGenesEncoding BasicandAcidic Chitinase inArabidopsis thaliana

    Deborah A. Samac;Peter E. Yallaly;M. Shah

Frequent Co-Authors

Carroll P. Vance
Carroll P. Vance University of Minnesota
Linda L. Kinkel
Linda L. Kinkel University of Minnesota
Craig C. Sheaffer
Craig C. Sheaffer University of Minnesota
Hans-Joachim G. Jung
Hans-Joachim G. Jung University of Minnesota
Hirofumi Yoshioka
Hirofumi Yoshioka Nagoya University
Michael J. Sadowsky
Michael J. Sadowsky University of Minnesota
Ronald D. Hatfield
Ronald D. Hatfield United States Department of Agriculture
Dilip M. Shah
Dilip M. Shah Donald Danforth Plant Science Center
Deborah L. Allan
Deborah L. Allan University of Minnesota
Jane Glazebrook
Jane Glazebrook University of Minnesota

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