Mini Eukaryote

Credit: Wenche Eikrem and Jahn Throndsen / University of Oslo" /> Credit: Wenche Eikrem and Jahn Throndsen / University of Oslo The paper: E. Derelle et. al., "Genome analysis of the smallest free-living eukaryote Ostreococcus tauri unveils many unique features," Proc Natl Acad Sci, 103:11647-52, 2006. (Cited in 74 papers) The study: French, Belgian, and US scientists

Written byAlla Katsnelson
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E. Derelle et. al., "Genome analysis of the smallest free-living eukaryote Ostreococcus tauri unveils many unique features," Proc Natl Acad Sci, 103:11647-52, 2006. (Cited in 74 papers)

French, Belgian, and US scientists sequenced the genome of Ostreococcus tauri, an ancient species of green algae at the base of the green plant lineage and the marine food chain. Its phylogenetic position gave insight into the divergence between plant and animal lineages since it shared gene homologies to both, says Arthur Grossman, at Stanford University, who was not involved in the study.

O. tauri's strikingly compact genome, with just one region of reduplication, contained unexpected evidence of complexity in the form of two heterogenous chromosomes, says Alexandra Worden of Stanford University, an author on the study.

Two of O. tauri's 18 chromosomes carry most of the genome's transposons; one of them, C2, contains sole copies of essential housekeeping genes. The intron and ...

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