Two or three domains: a new view of tree of life in the genomics era

Zhichao Zhou; Yang Liu; Meng Li; Ji Dong Gu

doi:10.1007/s00253-018-8831-x

Two or three domains: a new view of tree of life in the genomics era

Zhichao Zhou, Yang Liu, Meng Li^*, Ji Dong Gu

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

19 Scopus citations

Abstract

The deep phylogenetic topology of tree of life is in the center of a long-time dispute. The Woeseian three-domain tree theory, with the Eukarya evolving as a sister clade to Archaea, competes with the two-domain tree theory (the eocyte tree), with the Eukarya branched within Archaea. Revealed by the ongoing debate over the last three decades, sophisticated and proper phylogenetic methods should necessarily be paid with more emphasis, especially these are focusing on the compositional heterogeneity of sites and lineages, and the heterotachy issue. The newly emerging archaeal lineages with numerous eukaryotic-like features, such as membrane trafficking and cellular compartmentalization, are phylogenetically the closest to eukaryotes currently. These findings highlight the evolutionary history from an ancient archaeon to a more complex archaeon with protoeukaryotic-like features and complex cellular structures, thus providing clues to understand eukaryogenesis process. The increasing repertoire of precise genomic contents provides great advantages on understanding the deep phylogeny of tree of life and ancient evolutionary events on Eukarya branching process.

Original language	English
Pages (from-to)	3049-3058
Number of pages	10
Journal	Applied Microbiology and Biotechnology
Volume	102
Issue number	7
DOIs	https://doi.org/10.1007/s00253-018-8831-x
State	Published - 1 Apr 2018
Externally published	Yes

Keywords

Asgard superphylum
Eocyte tree
Eukaryotic-like features
Tree of life
Woeseian tree

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10.1007/s00253-018-8831-x

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abstract = "The deep phylogenetic topology of tree of life is in the center of a long-time dispute. The Woeseian three-domain tree theory, with the Eukarya evolving as a sister clade to Archaea, competes with the two-domain tree theory (the eocyte tree), with the Eukarya branched within Archaea. Revealed by the ongoing debate over the last three decades, sophisticated and proper phylogenetic methods should necessarily be paid with more emphasis, especially these are focusing on the compositional heterogeneity of sites and lineages, and the heterotachy issue. The newly emerging archaeal lineages with numerous eukaryotic-like features, such as membrane trafficking and cellular compartmentalization, are phylogenetically the closest to eukaryotes currently. These findings highlight the evolutionary history from an ancient archaeon to a more complex archaeon with protoeukaryotic-like features and complex cellular structures, thus providing clues to understand eukaryogenesis process. The increasing repertoire of precise genomic contents provides great advantages on understanding the deep phylogeny of tree of life and ancient evolutionary events on Eukarya branching process.",

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AU - Li, Meng

AU - Gu, Ji Dong

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N2 - The deep phylogenetic topology of tree of life is in the center of a long-time dispute. The Woeseian three-domain tree theory, with the Eukarya evolving as a sister clade to Archaea, competes with the two-domain tree theory (the eocyte tree), with the Eukarya branched within Archaea. Revealed by the ongoing debate over the last three decades, sophisticated and proper phylogenetic methods should necessarily be paid with more emphasis, especially these are focusing on the compositional heterogeneity of sites and lineages, and the heterotachy issue. The newly emerging archaeal lineages with numerous eukaryotic-like features, such as membrane trafficking and cellular compartmentalization, are phylogenetically the closest to eukaryotes currently. These findings highlight the evolutionary history from an ancient archaeon to a more complex archaeon with protoeukaryotic-like features and complex cellular structures, thus providing clues to understand eukaryogenesis process. The increasing repertoire of precise genomic contents provides great advantages on understanding the deep phylogeny of tree of life and ancient evolutionary events on Eukarya branching process.

AB - The deep phylogenetic topology of tree of life is in the center of a long-time dispute. The Woeseian three-domain tree theory, with the Eukarya evolving as a sister clade to Archaea, competes with the two-domain tree theory (the eocyte tree), with the Eukarya branched within Archaea. Revealed by the ongoing debate over the last three decades, sophisticated and proper phylogenetic methods should necessarily be paid with more emphasis, especially these are focusing on the compositional heterogeneity of sites and lineages, and the heterotachy issue. The newly emerging archaeal lineages with numerous eukaryotic-like features, such as membrane trafficking and cellular compartmentalization, are phylogenetically the closest to eukaryotes currently. These findings highlight the evolutionary history from an ancient archaeon to a more complex archaeon with protoeukaryotic-like features and complex cellular structures, thus providing clues to understand eukaryogenesis process. The increasing repertoire of precise genomic contents provides great advantages on understanding the deep phylogeny of tree of life and ancient evolutionary events on Eukarya branching process.

KW - Asgard superphylum

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Two or three domains: a new view of tree of life in the genomics era

Abstract

Keywords

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