Journal Article

FZJ-2021-01203

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Genomic signatures of the evolution of defence against its natural enemies in the poisonous and medicinal plant Datura stramonium (Solanaceae)

De-la-Cruz, I. M. ; Hallab, A.FZJ* ; Olivares-Pinto, U. ; Tapia-López, R. ; Velázquez-Márquez, S. ; Piñero, D. ; Oyama, K. ; Usadel, B.FZJ* ; Núñez-Farfán, J. (Corresponding author)

2021
Macmillan Publishers Limited, part of Springer Nature [London]

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Please use a persistent id in citations: http://hdl.handle.net/2128/27269  doi:10.1038/s41598-020-79194-1

Abstract: Tropane alkaloids and terpenoids are widely used in the medicine and pharmaceutic industry and evolved as chemical defenses against herbivores and pathogens in the annual herb Datura stramonium (Solanaceae). Here, we present the first draft genomes of two plants from contrasting environments of D. stramonium. Using these de novo assemblies, along with other previously published genomes from 11 Solanaceae species, we carried out comparative genomic analyses to provide insights on the genome evolution of D. stramonium within the Solanaceae family, and to elucidate adaptive genomic signatures to biotic and abiotic stresses in this plant. We also studied, in detail, the evolution of four genes of D. stramonium—Putrescine N-methyltransferase, Tropinone reductase I, Tropinone reductase II and Hyoscyamine-6S-dioxygenase—involved in the tropane alkaloid biosynthesis. Our analyses revealed that the genomes of D. stramonium show signatures of expansion, physicochemical divergence and/or positive selection on proteins related to the production of tropane alkaloids, terpenoids, and glycoalkaloids as well as on R defensive genes and other important proteins related with biotic and abiotic pressures such as defense against natural enemies and drought.

Note: Grant name:Fronteras de la Ciencia” Grant (#1527)PAPIIT, UNAM Grant (PAPIIT-DGAPA AG200717)

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Contributing Institute(s):

1. Bioinformatik (IBG-4)

Research Program(s):

1. 217 - Für eine nachhaltige Bio-Ökonomie – von Ressourcen zu Produkten (POF4-217) (POF4-217)

Appears in the scientific report 2021

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