Effects of acetylsalicylic acid on kiwifruit ethylene biosynthesis and signaling components

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• 作者：Xue-ren Yin^a ; Yu Zhang^a ; ^b ; Bo Zhang^a ; Shao-lan Yang^a ; ^c ; Yan-na Shi^a ; Ian B. Ferguson^a ; ^d ; Kun-song Chen^a ; ^{akun@zju.edu.cn}
• 关键词：Acetylsalicylic acid ; Ethylene biosynthesis ; Ethylene signaling ; Kiwifruit ; Ripening
• 刊名：Postharvest Biology and Technology
• 出版年：2013
• 出版时间：September, 2013
• 年：2013
• 卷：83
• 期：Complete
• 页码：27-33
• 全文大小：1105 K

文摘

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.