World's Best Scientists 2026 revealed!
Gregory R. Siragusa

Gregory R. Siragusa

D-Index & Metrics

Microbiology

D-Index
54
Citations
8897
World Ranking
4003
National Ranking
1555

Gregory R. Siragusa 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 Gregory R. Siragusa 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: 120 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Gregory R. Siragusa 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 Gregory R. Siragusa 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: 54 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Gregory R. Siragusa is affiliated with Scout Microbiology in the United States. Their research spans several interconnected fields, including Agricultural and Biological Sciences, Medicine, and Biochemistry, Genetics, and Molecular Biology. The subfields they focus on include Infectious Diseases, Food Science, Animal Science and Zoology, Molecular Biology, and Biotechnology.

The scientist's work encompasses a range of topics, prominently featuring SARS-CoV-2 and COVID-19 research, animal virus infections studies, and SARS-CoV-2 detection and testing. Additional areas of interest include probiotics and fermented foods, food safety and hygiene, Listeria monocytogenes in food safety, and methods for identification and quantification in food.

Gregory R. Siragusa has contributed to multiple scientific publications. Their recent papers include:

  • Epitope mapping of SARS-CoV-2 spike protein differentiates the antibody binding activity in vaccinated and infected individuals, 2023, Frontiers in Virology
  • Epitope Mapping of SARS-CoV-2 Spike Protein Reveals Distinct Antibody Binding Activity of Vaccinated and Infected Individuals, 2022, bioRxiv (Cold Spring Harbor Laboratory)
  • Yeast Expressing a Phage Endolysin Reduces Endogenous Clostridium perfringens Ex Vivo in 21-Day-Old Broiler Chicken Intestinal Fluids, 2024, Avian Diseases

Common venues for their publications include:

  • Frontiers in Virology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Avian Diseases

Frequent co-authors associated with their work are:

  • Nathaniel Felbinger
  • David Trudil
  • Lawrence D. Loomis
  • Richard Ascione
  • Seiji Haba

This body of work reflects interdisciplinary engagement across biology, virology, and food science with a focus on infectious disease mechanisms and food safety. The collaboration with multiple researchers and publications in diverse journals indicates ongoing contributions to these scientific areas.

Best Publications

  • Correlation of enterohemorrhagic Escherichia coli O157 prevalence in feces, hides, and carcasses of beef cattle during processing.

    Robert O. Elder;James E. Keen;Gregory R. Siragusa;Genevieve A. Barkocy-Gallagher

  • Incorporation of bacteriocin in plastic retains activity and inhibits surface growth of bacteria on meat

    G. R. Siragusa;Catherine Nettles Cutter;J. L. Willett

  • Isolation and Purification of Enterocin E-760 with Broad Antimicrobial Activity against Gram-Positive and Gram-Negative Bacteria

    J. E. Line;E. A. Svetoch;B. V. Eruslanov;V. V. Perelygin

  • Quantitative analysis of the intestinal bacterial community in one- to three-week-old commercially reared broiler chickens fed conventional or antibiotic-free vegetable-based diets.

    M.G. Wise;G.R. Siragusa

  • Effects of direct-fed microbials on growth performance, gut morphometry, and immune characteristics in broiler chickens.

    K. W. Lee;K. W. Lee;S. H. Lee;H. S. Lillehoj;G. X. Li

  • Efficacy of Organic Acids Against Escherichia coli O157:H7 Attached to Beef Carcass Tissue Using a Pilot Scale Model Carcass Washer1

    Catherine Nettles Cutter;Gregory R. Siragusa

  • Population Reductions of Gram-Negative Pathogens Following Treatments with Nisin and Chelators under Various Conditions.

    Catherine Nettles Cutter;Gregory R. Siragusa

  • Inhibition of Listeria monocytogenes on beef tissue by application of organic acids immobilized in a calcium alginate gel.

    Gregory R. Siragusa;James S. Dickson

  • Microbial Decontamination of Beef and Sheep Carcasses by Steam, Hot Water Spray Washes, and a Steam-Vacuum Sanitizer.

    Warren J. Dorsa;Catherine Nettles Cutter;Gregory R. Siragusa;Mohammad Koohmaraie

  • Diverse Antimicrobial Killing by Enterococcus faecium E 50-52 Bacteriocin

    Edward A. Svetoch;Boris V. Eruslanov;Vladimir V. Perelygin;Evgeni V. Mitsevich

  • The Poultry-Associated Microbiome: Network Analysis and Farm-to-Fork Characterizations

    Brian B. Oakley;Cesar A. Morales;J. Line;Mark E. Berrang

  • Quantitative Detection of Clostridium perfringens in the Broiler Fowl Gastrointestinal Tract by Real-Time PCR

    Mark G. Wise;Gregory R. Siragusa

  • Direct-fed microbials and their impact on the intestinal microflora and immune system of chickens.

    Kyungwoo Lee;Kyungwoo Lee;Hyun S. Lillehoj;Gregory R. Siragusa

  • Antimicrobial Effects of Trisodium Phosphate Against Bacteria Attached to Beef Tissue.

    James S. Dickson;C. G. Nettles Cutter;G. R. Siragusa

  • Improved antimicrobial activity of nisin-incorporated polymer films by formulation change and addition of food grade chelator.

    C.N. Cutter;J.L. Willett;G.R. Siragusa

  • Effects of acetic acid, lactic acid and trisodium phosphate on the microflora of refrigerated beef carcass surface tissue inoculated with Escherichia coli O157:H7, Listeria innocua, and Clostridium sporogenes

    Warren J. Dorsa;Catherine Nettles Cutter;Gregory R. Siragusa

  • An Au/Si hetero-nanorod-based biosensor for Salmonella detection

    Junxue Fu;Bosoon Park;Greg Siragusa;Les Jones

  • Formation of biofilm at different nutrient levels by various genotypes of Listeria monocytogenes.

    James P. Folsom;Gregory R. Siragusa;Joseph F. Frank

  • Isomaltooligosaccharide increases cecal Bifidobacterium population in young broiler chickens

    S. N. Thitaram;C.-H. Chung;D. F. Day;A. Hinton

  • Treatments with nisin and chelators to reduce Salmonella and Escherichia coli on beef.

    Catherine Nettles Cutter;Gregory R. Siragusa

Frequent Co-Authors

Catherine N. Cutter
Catherine N. Cutter Pennsylvania State University
Kyung-Woo Lee
Kyung-Woo Lee Konkuk University
Mohammad Koohmaraie
Mohammad Koohmaraie IEH Laboratories and Consulting Group
Hyun S. Lillehoj
Hyun S. Lillehoj United States Department of Agriculture
Erik P. Lillehoj
Erik P. Lillehoj University of Maryland, Baltimore
Bruce S. Seal
Bruce S. Seal Oregon State University
Joseph F. Frank
Joseph F. Frank University of Georgia
Jonathan G. Frye
Jonathan G. Frye United States Department of Agriculture
Harry H. Schomberg
Harry H. Schomberg Agricultural Research Service
Arthur Hinton
Arthur Hinton Agricultural Research Service

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