World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
109
Citations
45068
World Ranking
252
National Ranking
118

Todd R. Klaenhammer publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Todd R. Klaenhammer sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 359 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Todd R. Klaenhammer D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Todd R. Klaenhammer sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 109 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Research.com Recognitions

  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2004 - American Dairy Science Association Fellowship Award
  • 2001 - Member of the National Academy of Sciences
  • 1996 - Zinpro Award for Excellence in Dairy Science, American Dairy Science Association

Overview

Todd R. Klaenhammer was affiliated with North Carolina State University in the United States. Their research primarily focused on biochemistry, genetics, and molecular biology, with significant contributions to agricultural and biological sciences. The scientist's work involved several subfields including molecular biology, food science, genetics, nutrition and dietetics, and infectious diseases.

Klaenhammer's scholarly output included research on probiotics and fermented foods, gut microbiota and health, digestive system and related health, infant nutrition and health, viral gastroenteritis research and epidemiology, diet, metabolism and disease, and enzyme production and characterization.

They published extensively with frequent contributions to venues such as UNC Libraries, Gut Microbes, mBio, and Applied and Environmental Microbiology. Among their recent works were:

  • A double-blind, 377-subject randomized study identifies Ruminococcus, Coprococcus, Christensenella, and Collinsella as long-term potential key players in the modulation of the gut microbiome of lactose intolerant individuals by galacto-oligosaccharides, 2021, Gut Microbes
  • In Vivo Transcriptome of Lactobacillus acidophilus and Colonization Impact on Murine Host Intestinal Gene Expression, 2021, mBio
  • Impact of short-chain galactooligosaccharides on the gut microbiome of lactose-intolerant individuals, 2020, UNC Libraries
  • The S-layer Associated Serine Protease Homolog PrtX Impacts Cell Surface-Mediated Microbe-Host Interactions of Lactobacillus acidophilus NCFM, 2020, UNC Libraries
  • Characterization of the Fecal Microbiota Using High-Throughput Sequencing Reveals a Stable Microbial Community during Storage, 2020, UNC Libraries

Klaenhammer frequently collaborated with several coauthors, including:

  • M. Andrea Azcárate-Peril
  • Andrew J. Ritter
  • Dennis A. Savaiano
  • Yong Jun Goh
  • Rodolphe Barrangou

The scientist received a number of awards during their career. These included being named a Fellow of the American Association for the Advancement of Science in 2009, receiving the American Dairy Science Association Fellowship Award in 2004, becoming a member of the National Academy of Sciences in 2001, and the Zinpro Award for Excellence in Dairy Science from the American Dairy Science Association in 1996.

Best Publications

  • Genetics of bacteriocins produced by lactic acid bacteria

    Todd R. Klaenhammer

  • Bacteriocins of lactic acid bacteria

    Todd R. Klaenhammer

  • Comparative genomics of the lactic acid bacteria

    K. Makarova;A. Slesarev;Y. Wolf;A. Sorokin

  • Detection and activity of lactacin B, a bacteriocin produced by Lactobacillus acidophilus.

    S F Barefoot;T R Klaenhammer

  • A nomenclature for restriction enzymes, DNA methyltransferases, homing endonucleases and their genes

    Richard J. Roberts;Marlene Belfort;Timothy Bestor;Ashok S. Bhagwat

  • Nisin treatment for inactivation of Salmonella species and other gram-negative bacteria.

    K A Stevens;B W Sheldon;N A Klapes;T R Klaenhammer

  • Complete genome sequence of the probiotic lactic acid bacterium Lactobacillus acidophilus NCFM

    Eric Altermann;W. Michael Russell;M. Andrea Azcarate-Peril;Rodolphe Barrangou

  • New scientific paradigms for probiotics and prebiotics.

    Gregor Reid;M E Sanders;H Rex Gaskins;Glenn R Gibson

  • S layer protein A of Lactobacillus acidophilus NCFM regulates immature dendritic cell and T cell functions

    Sergey R. Konstantinov;Hauke Smidt;Willem M. de Vos;Willem M. de Vos;Sven C. M. Bruijns

  • The genome sequence of the probiotic intestinal bacterium Lactobacillus johnsonii NCC 533

    R. David Pridmore;Bernard Berger;Frank Desiere;David Vilanova

  • Invited review: the scientific basis of Lactobacillus acidophilus NCFM functionality as a probiotic.

    M.E. Sanders;T.R. Klaenhammer

  • Lactobacilli activate human dendritic cells that skew T cells toward T helper 1 polarization

    Mansour Mohamadzadeh;Scott Olson;Warren V. Kalina;Gordon Ruthel

  • Characterization and purification of helveticin J and evidence for a chromosomally determined bacteriocin produced by Lactobacillus helveticus 481.

    M C Joerger;T R Klaenhammer

  • Expanding the biotechnology potential of lactobacilli through comparative genomics of 213 strains and associated genera

    Zhihong Sun;Hugh M B Harris;Angela McCann;Chenyi Guo

  • Genome-scale analyses of health-promoting bacteria: probiogenomics.

    Marco Ventura;Sarah Josephine O'Flaherty;Marcus J. Claesson;Francesca Turroni

  • Functional Analysis of Putative Adhesion Factors in Lactobacillus acidophilus NCFM

    B. Logan Buck;Eric Altermann;Tina Svingerud;Todd R. Klaenhammer

  • Rapid Mini-Prep Isolation of High-Quality Plasmid DNA from Lactococcus and Lactobacillus spp.

    Daniel J. O'Sullivan;Todd R. Klaenhammer

  • Selection and design of probiotics.

    Todd R Klaenhammer;Martin J Kullen

  • Antimicrobial activity of lactic acid bacteria against Listeria monocytogenes

    L. J. Harris;M. A. Daeschel;M. E. Stiles;T. R. Klaenhammer

  • PathwayVoyager: pathway mapping using the Kyoto Encyclopedia of Genes and Genomes (KEGG) database

    Eric Altermann;Todd R Klaenhammer

  • A nomenclature for restriction enzymes, DNA methyl transferases, homing endonucleases and their genes

    RJ Roberts;M Belford;T Bester;AS Bhagwat

Frequent Co-Authors

Eric Altermann
Eric Altermann Massey University
Rodolphe Barrangou
Rodolphe Barrangou North Carolina State University
Colin Hill
Colin Hill University College Cork
Birte Svensson
Birte Svensson Technical University of Denmark
Henry P. Fleming
Henry P. Fleming North Carolina State University
Mansour Mohamadzadeh
Mansour Mohamadzadeh The University of Texas Health Science Center at San Antonio
Sylvain Moineau
Sylvain Moineau Université Laval
Glenn R. Gibson
Glenn R. Gibson University of Reading
Willem M. de Vos
Willem M. de Vos Wageningen University & Research
Linda J. Harris
Linda J. Harris University of California, Davis

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