LTR retrotransposon dynamics in the evolution of the olive (Olea europaea) genome.
Bottom Line: The insertion time of intact retroelements was estimated based on sister LTR's divergence.Although some elements inserted relatively recently, the mean insertion age of the isolated retroelements is around 18 million yrs.The occurrence of numerous solo-LTRs related to isolated full-length retroelements was ascertained for two Gypsy elements and one Copia element.
Affiliation: Department of Agricultural, Food, and Environmental Sciences, University of Pisa, Pisa I-56124, Italy.Show MeSH
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Mentions: Phylogenetic analyses were performed by the neighbour-joining method to evaluate the relationship between isolated LTR-REs. Two phylogenetic trees were constructed based on the transcribed putative retrotranscriptase sequence of 93 Copia and 43 Gypsy REs (Figs 4 and 5). The bootstrap values suggest the occurrence of distinct families, indicated in the figures by different colours.Figure 4.
Affiliation: Department of Agricultural, Food, and Environmental Sciences, University of Pisa, Pisa I-56124, Italy.