division and/or genome sequencing studies". Genomics In 2006, the O. tauri genome was sequenced by Derelle et al.. The 12.56 Mb genome organized in 20 chromosomes showed extreme gene density and few intron-containing genes. Two chromosomes with outlying characteristics (G+C content, intron structure) were identified, namely chromosome 2 and chromosome 19. Sequencing of other species of the Mamiellales order showed occurrence of similar outlying chromosomes in other species (O. lucimarinus, Micromonas pusilla & B. prasinos). References Mamiellophyceae Articles containing video clips