Abstract
Eucalypt terpene synthases: Broad conservation overlays dynamic physical cluster evolution
Abstracts of Eucalypt genetics, p.6
Eucalypt genetics (EucGen19): fundamental and applied research in a post-genome era (Hobart, Australia, 18-Feb-2019–21-Feb-2019)
2019
Abstract
Terpenes are economically and ecologically important phytochemicals. Their synthesis is controlled by the terpene synthase (TPS) gene family, which is highly diversified throughout the plant kingdom. The Myrtaceae are characterised by especially high terpene concentrations, and considerable variation in terpene profiles. Eucalyptus grandis has the largest TPS gene family of plants currently sequenced, which is largely conserved in the closely related E. globulus. The recent assembly of two Corymbia citriodora subsp. variegata genomes presented an opportunity to examine the conservation of this important gene family across more divergent eucalypt lineages. Manual annotation of the TPS gene family in C. citriodora subsp. variegata revealed a similar overall number, and relative subfamily representation, to that previously reported in E. grandis and E. globulus. Many of the TPS genes were in physical clusters that varied considerably between Eucalyptus and Corymbia, with several instances of cluster translocation, expansion/contraction and loss. Notably, there was greater conservation in the subfamilies involved in primary metabolism than those involved in secondary metabolism. The potential contributions of selective constraints, concerted evolution and stochastic processes to this variation are explored.
Details
- Title
- Eucalypt terpene synthases: Broad conservation overlays dynamic physical cluster evolution
- Authors
- Jakob B Butler (Author)Jules S Freeman (Author)Brad M Potts (Author)Rene E Vaillancourt (Author)Dario Grattapaglia (Author)Orzenil B Silva-Junior (Author)Blake A Simmons (Author)Adam L Healey (Author)Jeremy Schmutz (Author)Kerrie W Barry (Author)David J Lee (Author) - University of the Sunshine Coast
- Contributors
- R C Jones (Editor)Dorothy A Steane (Editor)P Tilyard (Editor)R E Vaillancourt (Editor)R L Andrew (Editor)P D Rymer (Editor)Brad M Potts (Editor)
- Publication details
- Abstracts of Eucalypt genetics, p.6
- Conference details
- Eucalypt genetics (EucGen19): fundamental and applied research in a post-genome era (Hobart, Australia, 18-Feb-2019–21-Feb-2019)
- Publisher
- University of Tasmania
- Date published
- 2019
- Organisation Unit
- Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
- Language
- English
- Record Identifier
- 99450789002621
- Output Type
- Abstract
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