Cited by 55Protist diversity and phylogenyGenomics and Chromatin DynamicsChromosomal and Genetic Variations

Archaeal Histone Contributions to the Origin of Eukaryotes

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Brunk, Clifford F., Martin, William F.·2019·Trends in Microbiology

Abstract

The eukaryotic lineage arose from bacterial and archaeal cells that underwent a symbiotic merger. At the origin of the eukaryote lineage, the bacterial partner contributed genes, metabolic energy, and the building blocks of the endomembrane system. What did the archaeal partner donate that made the eukaryotic experiment a success? The archaeal partner provided the potential for complex information processing. Archaeal histones were crucial in that regard by providing the basic functional unit with which eukaryotes organize DNA into nucleosomes, exert epigenetic control of gene expression, transcribe genes with CCAAT-box promoters, and a manifest cell cycle with condensed chromosomes. While mitochondrial energy lifted energetic constraints on eukaryotic protein production, histone-based chromatin organization paved the path to eukaryotic genome complexity, a critical hurdle en route to the evolution of complex cells.

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Crossref · 10.1016/j.tim.2019.04.002

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109 of 109 references verified0 citation errors · 0 not checkable

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  • The origin of the modern eukaryotic cell was dependent on the origin of histone-like proteins in the archaeal partner and oxidative phosphorylation in the bacterial partner.

    “The origin of the modern eukaryotic cell was dependent on the origin of histone-like proteins in the archaeal partner [19], and oxidative phosphorylation in the bacterial partner [20,21]”
  • The genetic core in the emerging nucleus became organized into chromosomes built around histone proteins provided by the archaeon and contains a mixture of genes from the archaeal partner and genes transferred from the developing mitochondria.

    “The genetic core in the emerging nucleus became organized into chromosomes built around histone proteins provided by archaeon [19] and contains a mixture of genes from the archaeal partner and genes transferred from the developing mitochondria (bacterial partner) [21,161,162].”
  • Eukaryotic DNA is organized into linear chromosomes composed of chromatin facilitated by histones, DNA binding proteins that form regular compact structures.

    “Eukaryotic DNA is organized into linear chromosomes composed of chromatin facilitated by histones, DNA binding proteins that form regular compact structures [19].”

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Authors
Brunk, C. F., & Martin, W. F.
Affiliations
  • University of California, Los Angeles (US)
  • Heinrich Heine University Düsseldorf (DE)
Corresponding author
Martin, William F.
Venue
Trends in Microbiology
Publisher
Elsevier BV
Published
2019-08
Volume
27
Issue
8
Pages
703-714
ISSN
0966-842X (ISSN-L)
OpenAlex
W2944327922
Cited by
55
References
109
Citations by year
2026: 2 · 2025: 8 · 2024: 14 · 2023: 1 · 2022: 9 · 2021: 8 · 2020: 10 · 2019: 3
FWCI
0.66
Type
journal article
Language
en
Open access
Locations
  • Trends in Microbiology (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • Volkswagen Foundation
  • European Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protist diversity and phylogeny
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
Keywords
archaeal histones, eukaryotic origin, endosymbiotic origin of eukaryotes, nucleosome, chromatin organization, epigenetic regulation, cell cycle, chromosome condensation, genome complexity, eukaryotic evolution
MeSH terms
Archaea, DNA, Eukaryotic Cells, Biological Evolution, Histones, Mitochondria, Symbiosis

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