The winds of (evolutionary) change: breathing new life into microbiology

January 1, 1994Journal of BacteriologyOpen Access

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Key Points

Explore the evolutionary relationships between prokaryotes and eukaryotes and the implications for our understanding of microbial life.
Characterization of over 1500 prokaryotes through small subunit rRNA sequencing.
Analysis of molecular phylogeny to construct a universal phylogenetic tree.
Examination of thermophilic traits among cultured Archaea and Bacteria.
The primary phylogenetic division is between Archaea and Bacteria, with Eucarya branching from the Archaea.
All cultured Crenarchaeota and deepest branchings in both Archaea and Bacteria are thermophiles.
Five kingdoms of Bacteria contain distinct photosynthetic species, each utilizing different types of chlorophyll-based photosynthesis.

Uncovers evolutionary relationships in prokaryotes and eukaryotes, indicating a shared thermophilic origin.

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Olsen et al. (1994) studied this question.

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