Article
Interpreting the universal phylogenetic tree.
Proceedings of the National Academy of Sciences of the United States of America - 18 Jul 2000
Woese C R
Abstract excerpt
The universal phylogenetic tree not only spans all extant life, but its root and earliest branchings represent stages in the evolutionary process before modern cell types had come into being. The evolution of the cell is an interplay between vertically derived and horizontally acquired variation. Primitive cellular entities were necessarily simpler and more modular in design than are modern cells. Consequently,...
Topics
- Cell Size
- Evolution, Molecular
- Gene Transfer, Horizontal
- Genetic Variation
- Phylogeny
- RNA, Ribosomal