Cited by 286Genomics and Phylogenetic StudiesMicrobial Community Ecology and PhysiologyProtist diversity and phylogeny

The DOI matches its Crossref record; 82 of the 82 references it cites were found in a registry or an index.

Mapping the Tree of Life: Progress and Prospects

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Pace, Norman R.·2009·Microbiology and Molecular Biology Reviews

Abstract

The intent of this article is to provide a critical assessment of our current understanding of life's phylogenetic diversity. Phylogenetic comparison of gene sequences is a natural way to identify microorganisms and can also be used to infer the course of evolution. Three decades of molecular phylogenetic studies with various molecular markers have provided the outlines of a universal tree of life (ToL), the three-domain pattern of archaea, bacteria, and eucarya. The sequence-based perspective on microbial identification additionally opened the way to the identification of environmental microbes without the requirement for culture, particularly through analysis of rRNA gene sequences. Environmental rRNA sequences, which now far outnumber those from cultivars, expand our knowledge of the extent of microbial diversity and contribute increasingly heavily to the emerging ToL. Although the three-domain structure of the ToL is established, the deep phylogenetic structure of each of the domains remains murky and sometimes controversial. Obstacles to accurate inference of deep phylogenetic relationships are both systematic, in molecular phylogenetic calculations, and practical, due to a paucity of sequence representation for many groups of organisms.

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Crossref · 10.1128/mmbr.00033-09

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  1. 10.2138/am-1998-11-1246 · DOI

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Metadata

Authors
Pace, N. R.
Affiliations
University of Colorado Boulder (US)
Corresponding author
Pace, Norman R.
Venue
Microbiology and Molecular Biology Reviews
Published
2009-12
Volume
73
Issue
4
Pages
565-576
ISSN
  • 1092-2172 (ISSN-L)
  • 1098-5557
OpenAlex
W2139469924
Cited by
286
References
82
Citations by year
2026: 3 · 2025: 11 · 2024: 9 · 2023: 8 · 2022: 4 · 2021: 7 · 2020: 10 · 2019: 16 · 2018: 41 · 2017: 17 · 2016: 19 · 2015: 20 · 2014: 22 · 2013: 35 · 2012: 28
FWCI
1.61
Type
journal article
Language
en
Open access
Locations
  • Microbiology and Molecular Biology Reviews (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Alfred P. Sloan Foundation
  • National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Protist diversity and phylogeny
Keywords
tree of life, phylogenetic diversity, three-domain system, archaea, bacteria, Eukarya, rRNA gene sequences, environmental microorganisms, unculturable microorganisms, microbial identification, deep phylogenetic relationships, molecular phylogeny, microbial diversity
MeSH terms
Animals, Archaea, Bacteria, Humans, Phylogeny, RNA, Ribosomal, Genetic Variation, Genome, Biodiversity, Eukaryota

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