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Biosynthesis of the major scent components 3,5‐dimethoxytoluene and 1,3,5‐trimethoxybenzene by novel rose O‐methyltransferases
In Chinese rose species and in many modern varieties, two methylated phenolic derivatives, 3,5‐dimethoxytoluene and 1,3,5‐trimethoxybenzene, are major scent components. We show that cell‐free… Expand
Analysis of gene expression in rose petals using expressed sequence tags
Single‐pass sequences were obtained from the 5′‐ends of a total of 1794 rose petal cDNA clones. Cluster analysis identified 242 groups of sequences and 635 singletons indicating that the database… Expand
Both the adaxial and abaxial epidermal layers of the rose petal emit volatile scent compounds
The localization and timing of production and emission of scent was studied in different Rosa × hybrida cultivars, focusing on three particular topics. First, it was found that petals represent the… Expand
Scent evolution in Chinese roses
- G. Scalliet, F. Piola, +8 authors P. Hugueney
- Biology, Medicine
- Proceedings of the National Academy of Sciences
- 15 April 2008
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… Expand
Role of Petal-Specific Orcinol O-Methyltransferases in the Evolution of Rose Scent1
Orcinol O-methyltransferase (OOMT) 1 and 2 catalyze the last two steps of the biosynthetic pathway leading to the phenolic methyl ether 3,5-dimethoxytoluene (DMT), the major scent compound of many… Expand
Sensitivity of fungal pathogens to SDHI fungicides.
SDHIs and the fungal succinate dehydrogenase.
Production and Emission of Volatile Compounds by Petal Cells
- S. Baudino, J. Caissard, +5 authors P. Hugueney
- Biology, Medicine
- Plant signaling & behavior
- 1 November 2007
We localized the tissues and cells that contribute to scent biosynthesis in scented and non-scented Rosa x hybrida cultivars as part of a detailed cytological analysis of the rose petal. Adaxial… Expand
Biological activity of sedaxane---a novel broad-spectrum fungicide for seed treatment.
BACKGROUND Sedaxane is a new broad-spectrum seed treatment fungicide developed by Syngenta Crop Protection for control of seed- and soil-borne diseases in a broad range of crops. Its physicochemical… Expand