New methods ring changes for the tree of life

McInerney, James O. and Wilkinson, Mark (2005) New methods ring changes for the tree of life. Trends in Ecology and Evolution, 20 (3). pp. 105-107.

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Relationships among prokaryotes and the origin of eukaryotes have both proven controversial, with results depending upon the gene sequences and methods used. Extensive horizontal gene transfer is one possible reason why inferring such deep phylogenetic relationships is difficult. In two recent papers, Lake and Rivera introduce new methods that can be used to reconstruct the genomic tree in the presence of horizontal gene transfers, but which suggest that a ring rather than a tree is a better representation of some parts of the history of life on Earth.

Item Type: Article
Keywords: Horizontal gene transfer, genomic tree
Academic Unit: Faculty of Science and Engineering > Biology
Item ID: 671
Depositing User: Dr. James McInerney
Date Deposited: 17 Aug 2007
Journal or Publication Title: Trends in Ecology and Evolution
Publisher: Elsevier
Refereed: Yes

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