Scent evolution in Chinese roses.

Proceedings of the National Academy of Sciences of the United States of America
Gabriel ScallietPhilippe Hugueney

Abstract

The phenolic methyl ether 3,5-dimethoxytoluene (DMT) is a major scent compound of many modern rose varieties, and its fragrance participates in the characteristic "tea scent" that gave their name to Tea and Hybrid Tea roses. Among wild roses, phenolic methyl ether (PME) biosynthesis is restricted to Chinese rose species, but the progenitors of modern roses included both European and Chinese species (e.g., Rosa chinensis cv Old Blush), so this trait was transmitted to their hybrid progeny. The last steps of the biosynthetic pathways leading to DMT involve two methylation reactions catalyzed by the highly similar orcinol O-methyltransferases (OOMT) 1 and 2. OOMT1 and OOMT2 enzymes exhibit different substrate specificities that are consistent with their operating sequentially in DMT biosynthesis. Here, we show that these different substrate specificities are mostly due to a single amino acid polymorphism in the phenolic substrate binding site of OOMTs. An analysis of the OOMT gene family in 18 species representing the diversity of the genus Rosa indicated that only Chinese roses possess both the OOMT2 and the OOMT1 genes. In addition, we provide evidence that the Chinese-rose-specific OOMT1 genes most probably evolved from an OOMT...Continue Reading

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Dec 20, 2005·Plant Physiology·Gabriel ScallietPhilippe Hugueney

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Citations

Nov 3, 2009·Plant Molecular Biology·Moran FarhiAlexander Vainstein
Nov 21, 2012·BMC Genomics·Annick DuboisMohammed Bendahmane
Dec 24, 2011·PloS One·Annick DuboisMohammed Bendahmane
Oct 13, 2009·Yi chuan = Hereditas·Hui-Jun YanKai-Xue Tang
Feb 1, 2013·Journal of Experimental Botany·Mohammed BendahmaneManuel Le Bris
Jul 24, 2014·The Journal of Alternative and Complementary Medicine : Research on Paradigm, Practice, and Policy·Miho IgarashiYoshifumi Miyazaki
May 29, 2015·The Plant Journal : for Cell and Molecular Biology·Mohammed N A KhalilLudger Beerhues
Jul 4, 2015·Science·Dorothea Tholl, Jonathan Gershenzon
Jul 4, 2015·Science·Jean-Louis MagnardSylvie Baudino
Mar 31, 2015·Molecular Phylogenetics and Evolution·Zhang-Ming ZhuMarie Fougère-Danezan
Jun 15, 2016·Bioscience, Biotechnology, and Biochemistry·Hiroshi HirataNaoharu Watanabe
Jun 26, 2010·Annals of Botany·Loren H Rieseberg, Benjamin K Blackman
Oct 19, 2017·DNA Research : an International Journal for Rapid Publication of Reports on Genes and Genomes·Noriko NakamuraYoshikazu Tanaka
May 10, 2019·Horticulture Research·Marinus J M SmuldersFabrice Foucher
Dec 7, 2010·Molecular Biology Reports·Huijun YanKaixue Tang
Jun 30, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Junjun FanFuliang Cao
Dec 18, 2020·FEMS Yeast Research·Julia Hitschler, Eckhard Boles
Aug 8, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shidan WengDongqin Tang
Jan 6, 2022·PloS One·Gorkha Raj Giri, Priti Saxena

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