AI Article Synopsis
- The research focuses on the Flueck tree from the Burseraceae family, which produces frankincense, by examining its genome, which is about 667.8 Mb and contains 18,564 high-confidence genes.
- The study found a significant gene assembly with over 97% completeness, as well as evidence of recent gene duplications and an ancient shared hexaploidy with other eudicots.
- The findings also highlighted the activation of specific biological pathways related to wounding, resulting in the production of boswellic acid, a crucial marker for identifying frankincense, and laid out a basis for future studies on the genetics of resin-producing plants.
Article Abstract
Flueck (family Burseraceae) tree is wounded to produce frankincense. We report its assembled genome (667.8 Mb) comprising 18,564 high-confidence protein-encoding genes. Comparing conserved single-copy genes across eudicots suggest >97% gene space assembly of genome. Evolutionary history shows gene-duplications derived from recent paralogous events and retained from ancient hexaploidy shared with other eudicots. The genome indicated a major expansion of Gypsy retroelements in last 2 million years. The genetic diversity showed four clades intermixed with a primary genotype-dominating most resin-productive trees. Further, the stem transcriptome revealed that wounding concurrently activates phytohormones signaling, cell wall fortification, and resin terpenoid biosynthesis pathways leading to the synthesis of boswellic acid-a key chemotaxonomic marker of . The sequence datasets reported here will serve as a foundation to investigate the genetic determinants of frankincense and other resin-producing species in Burseraceae.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9249616 | PMC |
| http://dx.doi.org/10.1016/j.isci.2022.104574 | DOI Listing |
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