Effects of acetylsalicylic acid on kiwifruit ethylene biosynthesis and signaling components |
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| Affiliation: | 1. Laboratory of Fruit Quality Biology/The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou 310058, PR China;2. Institute of Quality and Standard for Agriculture Product, Zhejiang Academy of Agriculture Science, Hangzhou, PR China;3. College of Landscape and Horticulture, Qingdao Agricultural University, Qingdao 266109, China;4. New Zealand Institute for Plant & Food Research, Private Bag 92169, Auckland, New Zealand;1. College of Horticulture, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China;2. Horticultural Sciences Department, IFAS, University of Florida, Gainesville, FL 32611-0690, USA;3. College of Agriculture, Guizhou University, Guiyang, Guizhou Province 550025, PR China;4. Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, PR China;1. College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China;2. College of Food Science and Technology, Hainan University, Haikou 570228, PR China;1. Department of Agriculture, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece;2. Department of Plant Sciences, University of California, Davis, One Shields Avenue, CA 95616, United States;3. Department of Agricultural Sciences, Biotechnology and Food Science, Cyprus University of Technology, 3603 Lemesos, Cyprus;4. Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Facultad de Ciencias Exactas, CONICET-UNLP, 47 y 116, La Plata 1900, Argentina;5. LIPA, Laboratorio de Investigación en Productos Agroindustriales, Facultad de Ciencias Agrarias y Forestales Calle, 60 y 119, La Plata 1900, Argentina;1. USDA, ARS, U.S. Horticultural Research Laboratory, 2001 S. Rock Road, Ft. Pierce, FL 34945, USA;2. Nanjing Agricultural University, Nanjing, Jiangsu 210095, China |
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| Abstract: | The effects of acetylsalicylic acid (ASA) on kiwifruit (Actinidia deliciosa cvs Bruno and Hayward) ethylene biosynthesis and signaling were investigated. Exogenous application of ASA inhibited ethylene production in both whole fruit, and in vitro with flesh discs, and enzymes associated with ethylene biosynthesis (ACS and ACO). The effect of ASA treatment on kiwifruit softening was relatively weak. Combination treatments also had inhibitory effects on fruit ripening, with ASA + C2H4 more effective than C2H4 + ASA. In order to evaluate the effects of ASA on ethylene signaling, twenty-four ethylene signaling components (five ethylene receptors, two CTR1 like genes, four EIN3-like genes and thirteen ERF genes) were analyzed at the transcriptional level. The results indicated that ASA treatment generally inhibited ethylene-induced modulation of ethylene receptor genes, and had little effect on softening-related ethylene signaling components, which suggested that ASA inhibits fruit ripening mainly by interfering directly with ethylene biosynthesis and perception. In addition, the ethylene response factors AdERF1, AdERF3 and AdERF12 were characterized as ASA-responsive genes, and their roles in fruit stress response are also discussed. |
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| Keywords: | Acetylsalicylic acid Ethylene biosynthesis Ethylene signaling Kiwifruit Ripening |
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