Abstract

AbstractSantalum album is a slow growing hemiparasitic tree which is extensively exploited due to its use in fragrance and essential oil industries. The threat to this species has reached critical level and the species is approaching commercial extinction, widening the gap between supply and demand. The genomic resources in sandalwood are limited to two whole-genome sequences and several transcriptomes. The molecular regulation of the sesquiterpene biosynthetic pathway which produces the essential oil in the heartwood has been extensively worked and most of the genes in the pathway have been functionally characterized. Hence, research in sandalwood is now poised to enable genomewide surveys to associate genetic variability with phenotypic traits, underpin adaptive potential of populations, in vitro production of essential oil through metabolite engineering, and development of super barcodes for timber forensics. The insights gained from the genomic resources in this tropical species can facilitate formulation of effective conservation and breeding strategies.KeywordsBiomarkerMetabolite engineeringSandalwoodSesquiterpenesSuper barcodesTranscriptomes

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