Genetic analysis of the wild strawberry (Fragaria vesca) volatile composition

Plant Physiology and Biochemistry : PPB
María UrrutiaAmparo Monfort

Abstract

The volatile composition of wild strawberry (Fragaria vesca) fruit differs from that of the cultivated strawberry, having more intense and fruity aromas. Over the last few years, the diploid F. vesca has been recognized as a model species for genetic studies of cultivated strawberry (F. x ananassa), and here a previously developed F. vesca/F. bucharica Near Isogenic Line collection (NIL) was used to explore genetic variability of fruit quality traits. Analysis of fruit volatiles by GC-MS in our NIL collection revealed a complex and highly variable profile. One hundred compounds were unequivocally identified, including esters, aldehydes, ketones, alcohols, terpenoids, furans and lactones. Those in a subset, named key volatile compounds (KVCs), are likely contributors to the special aroma/flavour of wild strawberry. Genetic analysis revealed 50 major quantitative trait loci (QTL) including 14 QTL for KVCs, and one segregating as a dominant monogenetic trait for nerolidol. The most determinant regions affecting QTLs for KVCs, were mapped on LG5 and LG7. New candidate genes for the volatile QTL are proposed, based on differences in gene expression between NILs containing specific fragments of F. bucharica and the F. vesca recurrent...Continue Reading

Citations

Mar 5, 2019·Metabolomics : Official Journal of the Metabolomic Society·Annika HaugenederWilfried Schwab
Jan 26, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Radu Claudiu FierascuNarcisa Elena Babeanu
Jan 31, 2020·The New Phytologist·Luís Felipe V FerrãoPatricio R Munoz
Jul 1, 2020·Evidence-based Complementary and Alternative Medicine : ECAM·Beauty E OmoruyiGraeme Bradley
Apr 2, 2021·Horticulture Research·Zhen FanVance M Whitaker

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