World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
43
Citations
7168
World Ranking
19398
National Ranking
619

Graziella Orefici 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 Graziella Orefici 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: 187 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Graziella Orefici 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 Graziella Orefici 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: 43 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Overview

Graziella Orefici is affiliated with the Istituto Superiore di Sanità in Italy and conducts research primarily within the field of Medicine. Their work focuses on several interconnected subfields including Public Health, Environmental and Occupational Health, Epidemiology, Molecular Biology, and Immunology.

The researcher has authored multiple scientific papers that address topics related to infectious diseases, particularly streptococcal infections, neonatal and maternal infections, and immune system responses. Frequent themes in their publications include Streptococcal Infections and Treatments, Neonatal and Maternal Infections, Pneumonia and Respiratory Infections, Inflammasome and Immune Disorders, and Immune Response and Inflammation.

Recent publications feature studies on the epidemiology and clinical impact of Group B Streptococcus (Streptococcus agalactiae) in Europe. Notable papers include:

  • Neonatal invasive disease caused by Streptococcus agalactiae in Europe: the DEVANI multi-center study, 2022, Infection
  • Maternal Streptococcus agalactiae colonization in Europe: data from the multi-center DEVANI study, 2024, Infection
  • Publisher Correction: Mice repeatedly exposed to Group-A β-Haemolytic Streptococcus show perseverative behaviors, impaired sensorimotor gating, and immune activation in rostral diencephalon, 2020, Scientific Reports

Graziella Orefici frequently collaborates with other researchers in related disciplines. Regular coauthors include Roberta Creti, Immaculada Margarit, Florens Lohrmann, Markus Hufnagel, and Mirjam Kunze. These collaborations contribute to the multidisciplinary nature of the research and publication output.

The scientist's work is published mainly in the journals Infection and Scientific Reports, reflecting a focus on infectious diseases and immune-related research areas.

In summary, Graziella Orefici's research spans several important aspects of infectious disease epidemiology and immune response, with particular attention to the clinical and public health implications of streptococcal infections among neonatal and maternal populations.

Best Publications

  • Infection of Human Macrophages and Dendritic Cells with Mycobacterium tuberculosis Induces a Differential Cytokine Gene Expression That Modulates T Cell Response

    Elena Giacomini;Elisabetta Iona;Lucietta Ferroni;Minja Miettinen

  • Survey for virulence determinants among Enterococcus faecalis isolated from different sources.

    Roberta Creti;Monica Imperi;Lucia Bertuccini;Francesca Fabretti

  • A multiplex PCR assay for the direct identification of the capsular type (Ia to IX) of Streptococcus agalactiae.

    Monica Imperi;Marco Pataracchia;Giovanna Alfarone;Lucilla Baldassarri

  • Enterococcus spp. produces slime and survives in rat peritoneal macrophages

    Lucilla Baldassarri;Roberto Cecchini;Lucia Bertuccini;Maria G. Ammendolia

  • Therapeutic Failures of Antibiotics Used To Treat Macrolide-Susceptible Streptococcus pyogenes Infections May Be Due to Biofilm Formation

    Lucilla Baldassarri;Roberta Creti;Simona Recchia;Monica Imperi

  • Molecular Epidemiology and Distribution of Serotypes, Surface Proteins, and Antibiotic Resistance among Group B Streptococci in Italy

    Giovanni Gherardi;Monica Imperi;Lucilla Baldassarri;Marco Pataracchia

  • Selective expression of type I IFN genes in human dendritic cells infected with Mycobacterium tuberculosis.

    Maria Elena Remoli;Elena Giacomini;Georges Lutfalla;Elisabetta Dondi

  • Multiplex PCR Assay for Direct Identification of Group B Streptococcal Alpha-Protein-Like Protein Genes

    Roberta Creti;Francesca Fabretti;Graziella Orefici;Christina von Hunolstein

  • rpoB mutations in multidrug-resistant strains of Mycobacterium tuberculosis isolated in Italy.

    G. Pozzi;M. Meloni;E. Iona;G. Orrù

  • Transcription and expression analysis, using lacZ and phoA gene fusions, of Mycobacterium fortuitum beta-lactamase genes cloned from a natural isolate and a high-level beta-lactamase producer.

    J Timm;M G Perilli;Colette Duez;J Trias

  • Group A streptococcal infections and tic disorders in an Italian pediatric population.

    Francesco Cardona;Graziella Orefici

  • Group B streptococci persist inside macrophages

    Paola Cornacchione;Lucia Scaringi;Katia Fettucciari;Emanuela Rosati

  • Sequence variation in group A Streptococcus pili and association of pilus backbone types with lancefield T serotypes.

    Fabiana Falugi;Chiara Zingaretti;Vittoria Pinto;Massimo Mariani

  • A novel resistance mechanism to triclosan that suggests horizontal gene transfer and demonstrates a potential selective pressure for reduced biocide susceptibility in clinical strains of Staphylococcus aureus.

    Maria Laura Ciusa;Leonardo Furi;Daniel Knight;Francesca Decorosi

  • Evaluation of Reduced Susceptibility to Quaternary Ammonium Compounds and Bisbiguanides in Clinical Isolates and Laboratory-Generated Mutants of Staphylococcus aureus

    Leonardo Furi;Maria Laura Ciusa;Daniel Knight;Valeria Di Lorenzo;Valeria Di Lorenzo

  • Mycobacterium tuberculosis subverts the differentiation of human monocytes into dendritic cells

    Sabrina Mariotti;Raffaela Teloni;Elisabetta Iona;Lanfranco Fattorini

  • The Extra Cytoplasmic Function Sigma Factor σE Is Essential for Mycobacterium tuberculosis Virulence in Mice

    Riccardo Manganelli;Lanfranco Fattorini;Dejiang Tan;Elisabetta Iona

  • Prevention of group B streptococcal neonatal disease revisited. the DEVANI European project

    J. Rodriguez-Granger;J. C. Alvargonzalez;A. Berardi;R. Berner

  • emm Types, Virulence Factors, and Antibiotic Resistance of Invasive Streptococcus pyogenes Isolates from Italy: What Has Changed in 11 Years?

    Roberta Creti;Monica Imperi;Lucilla Baldassarri;Marco Pataracchia

  • In vitro activity of protegrin-1 and beta-defensin-1, alone and in combination with isoniazid, against Mycobacterium tuberculosis.

    Lanfranco Fattorini;Renato Gennaro;Margherita Zanetti;Dejiang Tan

Frequent Co-Authors

Lucilla Baldassarri
Lucilla Baldassarri Istituto Superiore di Sanità
Marco R. Oggioni
Marco R. Oggioni University of Leicester
Francesco Bistoni
Francesco Bistoni University of Perugia
Giuseppe Arancia
Giuseppe Arancia Istituto Superiore di Sanità
Gianni Pozzi
Gianni Pozzi University of Siena
Antonio Cassone
Antonio Cassone University of Siena
Gianfranco Donelli
Gianfranco Donelli Istituto Superiore di Sanità
Lucio Montanaro
Lucio Montanaro University of Bologna
Carla Renata Arciola
Carla Renata Arciola University of Bologna
Androulla Efstratiou
Androulla Efstratiou Public Health England

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