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- Title
Reductive evolution suggested from the complete genome sequence of a plant-pathogenic phytoplasma.
- Authors
Oshima, Kenro; Kakizawa, Shigeyuki; Nishigawa, Hisashi; Jung, Hee-Young; Wei, Wei; Suzuki, Shiho; Arashida, Ryo; Nakata, Daisuke; Miyata, Shin-ichi; Ugaki, Masashi; Namba, Shigetou
- Abstract
The minimal gene set essential for life has long been sought. We report the 860-kb genome of the obligate intracellular plant pathogen phytoplasma (Candidatus Phytoplasma asteris, OY strain). The phytoplasma genome encodes even fewer metabolic functions than do mycoplasma genomes. It lacks the pentose phosphate cycle and, more unexpectedly, ATP-synthase subunits, which are thought to be essential for life. This may be the result of reductive evolution as a consequence of life as an intracellular parasite in a nutrient-rich environment.
- Publication
Nature genetics, 2004, Vol 36, Issue 1, p27
- ISSN
1061-4036
- Publication type
Journal Article
- DOI
10.1038/ng1277