Floral scent: Regulation and role of MYB transcription factors |
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| Affiliation: | 1. Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou, 510650, China;2. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China;3. College of Food, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou, 510642, China;4. Juxiangyuan Health Food (Zhongshan) Co., Ltd., No. 13, Yandong Second Road, Torch Development Zone, Zhongshan, 528400, China;5. Graduate School of Science and Technology, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu, 432-8561, Japan;1. Graduate School of Sciences and Technology for Innovation (Agriculture), Department of Biological Chemistry, Yamaguchi University, Yamaguchi, Japan;2. Kyoto Institute of Technology, Matsugasaki Sakyo-ku, Kyoto, Japan;3. Research Institute of Green Science and Technology, Shizuoka University, Shizuoka, Japan;1. Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada;2. Plant Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, 75236 Uppsala, Sweden;1. College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China;2. Department of Biology, University of Kentucky, Lexington, KY 40506, USA;3. Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546, USA;4. Guangling College of Yangzhou University, Yangzhou 225009, China;5. Department of Plant Engineering, Jiangsu Union Technical Institute, Huai-An 223200, China |
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| Abstract: | Floral scent plays a vital role in reproduction, including attracting pollinators to ensure that fertilization occurs in several plants. In addition, floral scents are widely applied in perfumes, flavors, cosmetics and medicinal substances. Floral scents mediate ecological interactions and have a primary function of attracting visitors and pollinators. Due to the importance of floral scents in plant biology, basic research on flora scent through breeding technology or applications of biotechnology in is still needed. In plants, floral volatile organic compounds (VOC) are categorized into terpenoids, phenylpropanoids/benzenoids and fatty acid derivatives. Several transcription factors are involved in secondary metabolite pathways, including floral scents. Transcriptional regulation of these biosynthesis pathways involves V-myb myeloblastosis viral oncogene homolog (MYB) protein transcription factors, which play a prominent role in flowers. However, little is known about the transcriptional regulation of floral scent biosynthesis. Thus far, the engineering of the metabolic pathways responsible for producing floral scents has mainly focused on the final steps of volatile compound generation. In this review, we summarize recent research on the importance and emission of floral scents and emphasize the role of the identified MYB transcription factors in regulating floral volatile metabolism. |
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| Keywords: | Floral scent MYB Plant reproduction Pollination Volatile organic compounds Regulation |
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