World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
52
Citations
7219
World Ranking
16882
National Ranking
100

Orlando Moreira-Filho 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 Orlando Moreira-Filho 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: 213 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Orlando Moreira-Filho 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 Orlando Moreira-Filho 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: 52 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Overview

Orlando Moreira-Filho is primarily affiliated with the Federal University of São Carlos in Brazil. Their research is focused on various areas within agricultural and biological sciences, biochemistry, genetics and molecular biology, and environmental science. The scientist's work extensively covers topics such as chromosomal and genetic variations, fish biology, ecology, and behavior, as well as genetic and clinical aspects of sex determination and chromosomal abnormalities.

The main fields of Moreira-Filho's study include:

  • Agricultural and Biological Sciences
  • Biochemistry, Genetics and Molecular Biology
  • Environmental Science

Their subfields of research highlight specific interests in:

  • Plant Science
  • Genetics
  • Nature and Landscape Conservation
  • Molecular Biology
  • Aquatic Science

Regarding research topics, Moreira-Filho has contributed to studies in:

  • Chromosomal and Genetic Variations
  • Fish biology, ecology, and behavior
  • Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Fish Biology and Ecology Studies
  • CRISPR and Genetic Engineering
  • Genomics and Phylogenetic Studies
  • Animal Genetics and Reproduction

Orlando Moreira-Filho has published multiple papers in several scientific journals, frequently disseminating findings in venues such as Neotropical Ichthyology, Zebrafish, Genes, Frontiers in Genetics, and Genetics and Molecular Biology. Some of the recent notable papers include:

  • "Highly Rearranged Karyotypes and Multiple Sex Chromosome Systems in Armored Catfishes from the Genus Harttia (Teleostei, Siluriformes)" (2020, Genes)
  • "Comparative cytogenetic analyses in Ancistrus species (Siluriformes: Loricariidae)" (2020, Neotropical Ichthyology)
  • "Multiple Sex Chromosomes and Evolutionary Relationships in Amazonian Catfishes: The Outstanding Model of the Genus Harttia (Siluriformes: Loricariidae)" (2020, Genes)
  • "Evolutionary breakpoint regions and chromosomal remodeling in Harttia (Siluriformes: Loricariidae) species diversification" (2022, Genetics and Molecular Biology)
  • "Chromosomal Rearrangements and Origin of the Multiple XX/XY1Y2 Sex Chromosome System in Harttia Species (Siluriformes: Loricariidae)" (2022, Frontiers in Genetics)

The scientist often collaborates with recurring coauthors, including Marcelo Ricardo Vicari, Viviane Nogaroto, Geize Aparecida Deon, Marcelo de Bello Cioffi, and Francisco de Menezes Cavalcante Sassi. These collaborations have resulted in numerous publications, reflecting ongoing research partnerships.

Best Publications

  • A biodiversity approach in the neotropical erythrinidae fish, Hoplias malabaricus. Karyotypic survey, geographic distribution of cytotypes and cytotaxonomic considerations.

    Luiz Antonio Carlos Bertollo;Guassenir Gonçalves Born;Jorge Dergam;Alberto Sergio Fenocchio

  • Structural and functional evidence that a B chromosome in the characid fish Astyanax scabripinnis is an isochromosome.

    Carlos A Mestriner;Pedro M Galetti;Sandro R Valentini;Itamar R G Ruiz

  • Conserved 5S and variable 45S rDNA chromosomal localisation revealed by FISH in Astyanax scabripinnis (Pisces, Characidae).

    Monique Mantovani;Luciano Douglas dos;Santos Abel;Orlando Moreira-Filho

  • Distribution of sex chromosome mechanisms in neotropical fish and description of a ZZ/ZW system in Parodon hilarii (Parodontidae)

    Orlando Moreira-Filho;Luiz A.C. Bertollo;Pedro M. Galetti

  • Nucleolar organizing regions, 18S and 5S rDNA in Astyanax scabripinnis (Pisces, Characidae): populations distribution and functional diversity.

    Dagmar Aparecida de Marco Ferro;Daniela Morilha Néo;Orlando Moreira-Filho;Luiz Antonio Carlos Bertollo

  • Accentuated polymorphism of heterochromatin and nucleolar organizer regions in Astyanax scabripinnis (Pisces, Characidae): tools for understanding karyotypic evolution.

    Monique Mantovani;Luciano Douglas dos Santos Abel;Carlos Alberto Mestriner;Orlando Moreira‐Filho

  • B chromosomes in Astyanax scabripinnis (Pisces, Characidae)

    Lara Bellintani Salvador;Orlando Moreira-Filho

  • Satellite DNA and chromosomes in Neotropical fishes: methods, applications and perspectives

    M. R. Vicari;V. Nogaroto;R. B. Noleto;M. M. Cestari

  • Sex-ratio distortion associated with the presence of a B chromosome in Astyanax scabripinnis (Teleostei, Characidae)

    V.E. Vicente;O. Moreira-Filho;J.P.M. Camacho

  • The 1.688 repetitive DNA of Drosophila: Concerted evolution at different genomic scales and association with genes

    Gustavo C. S. Kuhn;Gustavo C. S. Kuhn;Heinrich Küttler;Orlando Moreira-Filho;John S. Heslop-Harrison

  • Structure and variability of nucleolar organizer regions in Parodontidae fish

    Orlando Moreira-Filho;Luiz Antonio Carlos Bertollo;Pedro Manoel Galetti

  • Karyotypic diversity and evolution of Loricariidae (Pisces, Siluriformes)

    K F Kavalco;R Pazza;L A C Bertollo;O Moreira-Filho

  • Propidium iodide for making heterochromatin more evident in the C-banding technique.

    RL Lui;Blanco;O Moreira-Filho;VP Margarido

  • Cytogenetics and taxonomy: considerations based on chromosome studies of freshwater fish

    L. A. C. Bertollo;O. Moreira-Filho;P. M. Galetti

  • Multiple sex chromosomes in the genus Hoplias (Pisces, Erythrinidae)

    Luiz Antonio Carlos Bertollo;Catarina Satie Takahashi;Orlando Moreira Filho

  • Colocalization of repetitive DNAs and silencing of major rRNA genes. A case report of the fish Astyanax janeiroensis.

    M.R. Vicari;R.F. Artoni;O. Moreira-Filho;L.A.C. Bertollo

  • Evidences for a Multiple Sex Chromosome System with Female Heterogamety in Apareiodon Affinis (Pisces, Parodontidae)

    Orlando Moreira Filho;Luiz Antonio Carlos Bertollo;Pedro Manoel Galetti Junior

  • Cytogenetic Diversity in the Astyanax scabripinnis Species Complex (Pisces, Characidae)

    I. L. Souza;O. Moreira-Filho

  • Gene mapping of 5S rDNA sites in eight fish species from the Paraíba do Sul river basin, Brazil

    K F Kavalco;R Pazza;L A C Bertollo;O Moreira-Filho

  • Teleost Fish Handling and Transport under Reduced Stress Conditions

    Catherine Ozouf-Costaz;Eva Pisano;Fausto Foresti;Lurdes Foresti de Almeida Toledo

Frequent Co-Authors

Pedro Manoel Galetti
Pedro Manoel Galetti Federal University of São Carlos
Claudio Oliveira
Claudio Oliveira Sao Paulo State University
Thomas Liehr
Thomas Liehr Friedrich Schiller University Jena
J. S. Heslop-Harrison
J. S. Heslop-Harrison University of Leicester
Tsutomu Ogata
Tsutomu Ogata Hamamatsu University
Yoichi Matsubara
Yoichi Matsubara Tohoku University
Trude Schwarzacher
Trude Schwarzacher University of Leicester
Kazuhiko Nakabayashi
Kazuhiko Nakabayashi National Center For Child Health and Development
Susan B. Olson
Susan B. Olson Oregon Health & Science University

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