Floral scent plays a crucial role in the reproductive process of many plants. Humans have been fascinated by floral scents throughout history, and have transported and traded floral scent products for which they have found multiple uses, such as in food additives, hygiene and perfume products, and medicines. Yet the scientific study of how plants synthesize floral scent compounds began later than studies on most other major plant metabolites, and the first report of the characterization of an enzyme responsible for the synthesis of a floral scent compound, namely linalool in Clarkia breweri, a California annual, appeared in 1994. In the almost 30 years since, enzymes and genes involved in the synthesis of hundreds of scent compounds from multiple plant species have been described. This review recapitulates this history and describes the major findings relating to the various aspects of floral scent biosynthesis and emission, including genes and enzymes and their evolution, storage and emission of scent volatiles, and the regulation of the biochemical processes.
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http://dx.doi.org/10.1111/tpj.16220 | DOI Listing |
Mol Plant
December 2024
Shanghai Key Laboratory of Plant Functional Genomics and Resources, CAS Center for Excellence in Molecular Plant Sciences Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, Shanghai 201602, China; Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai 201602, China; Key Laboratory of Orchid Conservation and Utilization of National Forestry and Grassland Administration at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, China.
Angraecum sesquipedale, also known as Darwin's orchid, possesses an exceptionally long nectar spur. Charles Darwin predicted the orchid to be pollinated by a hawkmoth with a correspondingly long proboscis, later identified as Xanthopan praedicta. In this plant-pollinator interaction, the A.
View Article and Find Full Text PDFMicron
December 2024
Department of Botany and Plant Physiology, University of Life Sciences in Lublin, Akademicka 15, Lublin 20-950, Poland. Electronic address:
The small flowers of Myosotis scorpioides are pollinated by various groups of insects feeding on their nectar accumulating at the base of the corolla tube. To date, only few studies have focused on the anatomy and ultrastructure of nectaries in plants from the family Boraginaceae. The aim of this study was to analyse the structure of the M.
View Article and Find Full Text PDFPlants (Basel)
November 2024
Biodiversidad de Ecosistemas Tropicales-BIETROP, Herbario HUTPL, Departamento de Ciencias Biológicas y Agropecuarias, Universidad Técnica Particular de Loja (UTPL), San Cayetano s/n, Loja 1101608, Ecuador.
L., commonly known as sweet pea, is a plant with a distinctive aroma that can develop in various habitats. An analysis of the aromatic profile of the species was conducted using the HS-SPME (solid-phase microextraction headspace) technique.
View Article and Find Full Text PDFFoods
December 2024
Institution of Fruit Technology Guidance of Guangxi Zhuang Autonomous Region, Nanning 530022, China.
Food Chem
December 2024
Hubei key Laboratory of Spices & Horticultural Plant Germplasm Innovation & Utilization, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, Hubei, China; Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, Hubei, China; College of Smart Agriculture /Institute of Special Plants, Chongqing University of Arts and Sciences, Yongchuan 402160, Chongqing, China. Electronic address:
Ginger, as a globally vital medicinal and food homologous crop, plays an irreplaceable role in human diet and healthcare. However, during the storage of ginger, the decline of physical properties and degradation of volatile flavor quality have emerged as an industrial concern that severely restricts the market value of the product. MeJA plays an essential role in extending fruit shelf life and regulate the synthesis of volatiles in horticultural products, yet its application in ginger remains unreported.
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