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Alastair G. B. Simpson

Alastair G. B. Simpson

D-Index & Metrics

Biology and Biochemistry

D-Index
57
Citations
19035
World Ranking
13560
National Ranking
471

Overview

Alastair G. B. Simpson is affiliated with Dalhousie University in Canada. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology, and Environmental Science, with significant contributions to subfields such as Molecular Biology, Ecology, Environmental Chemistry, Parasitology, and Plant Science.

The scientist has extensively explored topics including Protist diversity and phylogeny, Microbial Community Ecology and Physiology, Genomics and Phylogenetic Studies, Parasite Biology and Host Interactions, Parasitic Infections and Diagnostics, Methane Hydrates and Related Phenomena, and Legume Nitrogen Fixing Symbiosis.

Their published papers include:

  • Genomic analysis finds no evidence of canonical eukaryotic DNA processing complexes in a free-living protist (2021, Nature Communications)
  • Multigene phylogenetics of euglenids based on single-cell transcriptomics of diverse phagotrophs (2021, Molecular Phylogenetics and Evolution)
  • Meteora sporadica, a protist with incredible cell architecture, is related to Hemimastigophora (2024, Current Biology)
  • A robustly rooted tree of eukaryotes reveals their excavate ancestry (2025, Nature)
  • Diplonemids - A Review on "New" Flagellates on the Oceanic Block (2022, Protist)

Frequent co-authors include:

  • Andrew J. Roger (16 collaborations)
  • Yana Eglit (13 collaborations)
  • Jon Jerlström-Hultqvist (8 collaborations)
  • Shelby K. Williams (7 collaborations)
  • Dayana E. Salas-Leiva (6 collaborations)

Their research has often been published in venues such as:

  • bioRxiv (Cold Spring Harbor Laboratory) with 9 publications
  • Journal of Eukaryotic Microbiology with 8 publications
  • Protist with 4 publications
  • Nature Communications with 3 publications
  • Current Biology with 2 publications

The scope of research by Alastair G. B. Simpson covers molecular and ecological aspects of protists, emphasizing genomic and phylogenetic methodologies. Their studies contribute to the understanding of microbial community ecology, protist diversity, and evolutionary biology, addressing complex biological interactions and environmental influences.

Best Publications

  • How Many Species Are There on Earth and in the Ocean

    Camilo Mora;Camilo Mora;Derek P. Tittensor;Derek P. Tittensor;Derek P. Tittensor;Sina Adl;Alastair G. B. Simpson

  • The new higher level classification of eukaryotes with emphasis on the taxonomy of protists

    Sina M Adl;Alastair G. B. Simpson;Mark A Farmer;Robert A. Andersen

  • The revised classification of eukaryotes

    Sina M. Adl;Sina M. Adl;Alastair G. B. Simpson;Christopher E. Lane;Julius Lukeš

  • The Marine Microbial Eukaryote Transcriptome Sequencing Project (MMETSP): Illuminating the Functional Diversity of Eukaryotic Life in the Oceans through Transcriptome Sequencing

    Patrick J. Keeling;Patrick J. Keeling;Fabien Burki;Heather M. Wilcox;Bassem Allam

  • The New Tree of Eukaryotes

    Fabien Burki;Fabien Burki;Andrew J. Roger;Matthew W. Brown;Alastair G.B. Simpson

  • CBOL Protist Working Group: Barcoding Eukaryotic Richness beyond the Animal, Plant, and Fungal Kingdoms

    Jan Wojciech Pawlowski;Stéphane Audic;Sina Adl;David Bass

  • Phylogenomic analyses support the monophyly of Excavata and resolve relationships among eukaryotic “supergroups”

    Vladimir Hampl;Laura Hug;Jessica W. Leigh;Joel B. Dacks

  • The evolution and diversity of kinetoplastid flagellates

    Alastair G.B. Simpson;Jamie R. Stevens;Julius Lukeš

  • The real 'kingdoms' of eukaryotes.

    Alastair G.B. Simpson;Andrew J. Roger

  • Diversity, nomenclature, and taxonomy of protists.

    Sina M. Adl;Brian S. Leander;Alastair G. B. Simpson;John M. Archibald

  • Cytoskeletal organization, phylogenetic affinities and systematics in the contentious taxon Excavata (Eukaryota)

    Alastair G. B. Simpson

  • The identity and composition of the Euglenozoa

    Alastair G.B. Simpson

  • Comprehensive Multigene Phylogenies of Excavate Protists Reveal the Evolutionary Positions of “Primitive” Eukaryotes

    Alastair G. B. Simpson;Yuji Inagaki;Andrew J. Roger

  • Heterotrophic flagellates from coastal marine and hypersaline sediments in Western Australia

    D. J. Patterson;Alastair G. B. Simpson

  • Evolution: Revisiting the Root of the Eukaryote Tree

    Andrew J. Roger;Alastair G.B. Simpson

  • Phylogenomics demonstrates that breviate flagellates are related to opisthokonts and apusomonads.

    Matthew W. Brown;Matthew W. Brown;Susan C. Sharpe;Jeffrey D. Silberman;Aaron A. Heiss

  • Some free-living flagellates (protista) from anoxic habitats

    Catherine Bernard;Alastair G. B. Simpson;David J. Patterson

  • Flagellates from stromatolites and surrounding sediments in Shark Bay, Western Australia

    S. Al-Qassab;WJ Lee;S. Murray;Alastair G. B. Simpson

  • The ultrastructure of Carpediemonas membranifera (Eukaryota) with reference to the “excavate hypothesis”

    Alastair G.B. Simpson;David J. Patterson

  • Handbook of the Protists

    John M. Archibald;Alastair G.B. Simpson;Claudio H. Slamovits;Lynn Margulis

Frequent Co-Authors

Andrew J. Roger
Andrew J. Roger Dalhousie University
David J. Patterson
David J. Patterson University of Sydney
Patrick J. Keeling
Patrick J. Keeling University of British Columbia
Jan Pawlowski
Jan Pawlowski Heidelberg University
Denis H. Lynn
Denis H. Lynn University of British Columbia
John M. Archibald
John M. Archibald Dalhousie University
Julius Lukeš
Julius Lukeš Czech Academy of Sciences
Brian S. Leander
Brian S. Leander University of British Columbia
David Bass
David Bass Natural History Museum
Enrique Lara
Enrique Lara Spanish National Research Council

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