World's Best Scientists 2026 revealed!
Romano Dallai

Romano Dallai

D-Index & Metrics

Biology and Biochemistry

D-Index
51
Citations
10889
World Ranking
17071
National Ranking
543

Romano Dallai 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 Romano Dallai 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: 449 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Romano Dallai 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 Romano Dallai 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: 51 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

Romano Dallai is affiliated with the University of Siena in Italy and has a research profile centered on agricultural and biological sciences, with a substantial focus on biochemistry, genetics, and molecular biology. Their work spans several subfields, particularly ecology, evolution, behavior and systematics, insect science, and genetics. This multidisciplinary approach is reflected in their publications and research topics.

The scientist's research covers a variety of topics within entomology and related fields. Main topics of their work include:

  • Coleoptera taxonomy and distribution
  • Insect and arachnid ecology and behavior
  • Insect-plant interactions and control
  • Insect and pesticide research
  • Insect resistance and genetics
  • Forest insect ecology and management
  • Animal behavior and reproduction

Dallai's publication record includes studies published in journals frequently associated with entomology and molecular biology. Venues where Dallai has frequently published include:

  • Arthropod Structure & Development
  • Micron
  • SSRN Electronic Journal
  • Insects
  • Cells

Significant published papers authored by Romano Dallai reflect a concentration on the ultrastructure and reproductive biology of insects. Notable works include:

  • "New findings on the sperm ultrastructure of Carabidae (Insecta, Coleoptera)", 2020, Arthropod Structure & Development
  • "Coevolution between female seminal receptacle and sperm morphology in the semiaquatic measurer bug Hydrometra stagnorum L. (Heteroptera, Hydrometridae)", 2020, Arthropod Structure & Development

Other related papers include:

  • "Centrioles and Ciliary Structures during Male Gametogenesis in Hexapoda: Discovery of New Models", 2020, Cells (published with other authors)
  • "The sperm ultrastructure of members of basal Tenebrionoidea (Coleoptera)", 2021, Arthropod Structure & Development

Dallai regularly collaborates with several co-authors, highlighting a networked approach to research. Frequent collaborators include:

  • David Mercati
  • Pietro Lupetti
  • Pietro Paolo Fanciulli
  • Glenda Dias
  • José Lino-Neto

The scholar's work has contributed to fields involving insect reproductive biology, systematics, and morphology, with a concentration on the detailed study of sperm ultrastructure and insect gametogenesis. The combination of ecological and molecular insights characterizes their broader impact within these scientific domains.

Best Publications

  • Insects: their spermatozoa and phylogeny.

    Barrie G. M. Jamieson;Romano Dallai;Björn A. Afzelius

  • Population structure and colonization history of the olive fly, Bactrocera oleae (Diptera, Tephritidae).

    Francesco Nardi;Antonio Carapelli;Romano Dallai;George K. Roderick

  • Oligomeric and subunit structure of the Helicobacter pylori vacuolating cytotoxin.

    P Lupetti;J E Heuser;R Manetti;P Massari

  • Wolbachia-induced delay of paternal chromatin condensation does not prevent maternal chromosomes from entering anaphase in incompatible crosses of Drosophila simulans

    Giuliano Callaini;Romano Dallai;Maria Giovanna Riparbelli

  • The Complete Mitochondrial DNA Sequence of the Basal Hexapod Tetrodontophora bielanensis: Evidence for Heteroplasmy and tRNA Translocations

    Francesco Nardi;Antonio Carapelli;Pietro Paolo Fanciulli;Romano Dallai

  • Overview on spermatogenesis and sperm structure of Hexapoda

    Romano Dallai

  • The mitochondrial genome of the olive fly Bactrocera oleae: two haplotypes from distant geographical locations

    Francesco Nardi;Antonio Carapelli;Romano Dallai;Francesco Frati

  • Domestication of olive fly through a multi-regional host shift to cultivated olives: Comparative dating using complete mitochondrial genomes

    F. Nardi;A. Carapelli;J.L. Boore;G.K. Roderick

  • The spermatozoon of Arthropoda. VI. Ephemeroptera.

    B. Baccetti;R. Dallai;R. Giusti

  • Centrosome inheritance in insects: fertilization and parthenogenesis.

    Giuliano Callaini;Maria Giovanna Riparbelli;Romano Dallai

  • Structure and Evolution of Insect Sperm: New Interpretations in the Age of Phylogenomics.

    Romano Dallai;Marco Gottardo;Rolf Georg Beutel

  • Purification and primary structure of ceratotoxin A and B, two antibacterial peptides from the female reproductive accessory glands of the medfly Ceratitis capitata (Insecta:Diptera).

    Daniela Marchini;Piero C. Giordano;Reinout Amons;Luigi F. Bernini

  • Presence of antibacterial peptides on the laid egg chorion of the Medfly Ceratitis capitata

    Daniela Marchini;Laura Marri;Marco Rosetto;Andrea G.O. Manetti

  • Mitotic Defects Associated with Cytoplasmic Incompatibility inDrosophila simulans

    Giuliano Callaini;Maria Giovanna Riparbelli;Rosanna Giordano;Romano Dallai

  • Effects of a neem compound on the fecundity and longevity of Ceratitis capitata (Diptera: Tephritidae)

    Vincenzo Di Ilio;Massimo Cristofaro;Daniela Marchini;Paola Nobili

  • Flagellar structure in normal human spermatozoa and in spermatozoa that lack dynein arms

    B.A. Afzelius;R. Dallai;S. Lanzavecchia;P.L. Bellon

  • Fine structure of the spermatheca of Apis mellifera

    Romano Dallai

  • THE DYNEIN ELECTROPHORETIC BANDS IN AXONEMES NATURALLY LACKING THE INNER OR THE OUTER ARM

    Baccetti B;Burrini Ag;Dallai R;Pallini

  • Three-dimensional reconstruction of metal replicas of the Helicobacter pylori vacuolating cytotoxin

    Salvatore Lanzavecchia;Pier Luigi Bellon;Pietro Lupetti;Romano Dallai

  • THE SPERMATOZOON OF ARTHROPODA VIII. The 9 + 3 Flagellum of Spider Sperm Cells

    Baccio Baccetti;Romano Dallai;Floriana Rosati

Frequent Co-Authors

Maria Giovanna Riparbelli
Maria Giovanna Riparbelli University of Siena
Rolf G. Beutel
Rolf G. Beutel Friedrich Schiller University Jena
Jeffrey L. Boore
Jeffrey L. Boore University of California, Berkeley
Cosima T. Baldari
Cosima T. Baldari University of Siena
John L. Telford
John L. Telford GlaxoSmithKline (Italy)
John E. Heuser
John E. Heuser Washington University in St. Louis
Rino Rappuoli
Rino Rappuoli Imperial College London
George K. Roderick
George K. Roderick University of California, Berkeley
Stefano Turillazzi
Stefano Turillazzi University of Florence
Pietro Liò
Pietro Liò University of Cambridge

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring a career in Biology or Biochemistry opens the door to a variety of healthcare and science-based roles. Many students are now considering flexible online programs to fast-track their education and enter the workforce sooner.

For those drawn to nursing, choosing the easiest rn to bsn program is one way to build on existing credentials and expand career options. If you're interested in the business side of healthcare, pursuing an accelerated healthcare management degree online can help you move into leadership roles efficiently.

Those passionate about mental health may consider psychiatric mental health nurse practitioner programs online, offering advanced clinical skills and specialized training. Nutrition is another growth area, with options like a fast track nutrition degree online that equips students for roles in wellness, public health, and counseling.

With these diverse online pathways, students can align their biology or biochemistry background with in-demand healthcare careers—often on a timeline that suits their goals.

Best Scientists Citing Romano Dallai

Trending Scientists

Recently Published Articles