The genome of jojoba (Simmondsia chinensis): A taxonomically isolated species that directs wax ester accumulation in its seeds

Drew Sturtevant, Shaoping Lu, Zhi Wei Zhou, Yin Shen, Shuo Wang, Jia Ming Song, Jinshun Zhong, David J. Burks, Zhi Quan Yang, Qing Yong Yang, Ashley E. Cannon, Cornelia Herrfurth, Ivo Feussner, Ljudmilla Borisjuk, Eberhard Munz, Guido F. Verbeck, Xuexia Wang, Rajeev K. Azad, Brenda Singleton, John M. DyerLing Ling Chen, Kent D. Chapman, Liang Guo

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

Seeds of the desert shrub, jojoba (Simmondsia chinensis), are an abundant, renewable source of liquid wax esters, which are valued additives in cosmetic products and industrial lubricants. Jojoba is relegated to its own taxonomic family, and there is little genetic information available to elucidate its phylogeny. Here, we report the high-quality, 887-Mb genome of jojoba assembled into 26 chromosomes with 23,490 protein-coding genes. The jojoba genome has only the whole-genome triplication (γ) shared among eudicots and no recent duplications. These genomic resources coupled with extensive transcriptome, proteome, and lipidome data helped to define heterogeneous pathways and machinery for lipid synthesis and storage, provided missing evolutionary history information for this taxonomically segregated dioecious plant species, and will support efforts to improve the agronomic properties of jojoba.

Original languageEnglish (US)
Article numbereaay3240
JournalScience Advances
Volume6
Issue number11
DOIs
StatePublished - 2020
Externally publishedYes

ASJC Scopus subject areas

  • General

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