Comprehensive insights on how 2,4-dichlorophenoxyacetic acid retards senescence in post-harvest citrus fruits using transcriptomic and proteomic approaches

Auxin-like 2,4-dichlorophenoxyacetic acid (2,4-D), a high-efficiency anti-stalling agent for the post-harvest fresh fruit industry, has had its use restricted due to environmental concerns. However, no other substitutes for 2,4-D are available to the post-harvest industry. Insights into the molecula...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 65(2014), 1 vom: 25. Jan., Seite 61-74
1. Verfasser: Ma, Qiaoli (VerfasserIn)
Weitere Verfasser: Ding, Yuduan, Chang, Jiwei, Sun, Xiaohua, Zhang, Li, Wei, Qingjiang, Cheng, Yunjiang, Chen, Lingling, Xu, Juan, Deng, Xiuxin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't 2,4-dichlorophenoxy acetic acid (2,4-D) ABA auxin citrus fruit ethylene fruit quality preservation fruit senescence plant hormones mehr... stress defence. Ethylenes Indoleacetic Acids Plant Growth Regulators Plant Proteins Water 059QF0KO0R 2,4-Dichlorophenoxyacetic Acid 2577AQ9262 Abscisic Acid 72S9A8J5GW Lignin 9005-53-2 91GW059KN7 Salicylic Acid O414PZ4LPZ
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245 1 0 |a Comprehensive insights on how 2,4-dichlorophenoxyacetic acid retards senescence in post-harvest citrus fruits using transcriptomic and proteomic approaches 
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500 |a Date Completed 26.09.2014 
500 |a Date Revised 21.10.2021 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a Auxin-like 2,4-dichlorophenoxyacetic acid (2,4-D), a high-efficiency anti-stalling agent for the post-harvest fresh fruit industry, has had its use restricted due to environmental concerns. However, no other substitutes for 2,4-D are available to the post-harvest industry. Insights into the molecular mechanism underlying the effects of 2,4-D on fruit quality preservation will provide a theoretical basis for exploring new safe and effective anti-stalling agents. This study comprehensively analysed changes in the peel of Olinda Valencia orange [Citrus sinensis (L.) Osbeck] induced by 500 ppm 2,4-D using 'omic'-driven approaches. Transcriptional profiling revealed that transcriptional factor (mainly AP2/ERF, WRKY, and NAC family members), transport, and hormone metabolism genes were over-represented and up-regulated within 24h post-treatment (HPT). Stress defence genes were up-regulated, while cell wall metabolism genes were down-regulated after 48 HPT. However, secondary metabolism genes, especially phenylpropanoid and lignin biosynthesis-related genes, were over-represented at all the time points. Comparative proteomic analysis indicated that the expression of proteins implicated in stress responses (25%), hormone metabolism, and signal transduction (12%) significantly accumulated at the post-transcriptional level. Hormone levels detected by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) showed that abscisic acid, salicylic acid, and 2,4-D significantly increased, while ethylene production (detected by gas chromatography) decreased after 2,4-D treatment. In addition, lignin and water content in the fruit peel also increased and the epicuticle wax ultrastructure was modified. In conclusion, 2,4-D retarded fruit senescence by altering the levels of many endogenous hormones and by improving stress defence capabilities by up-regulating defence-related genes and proteins 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a 2,4-dichlorophenoxy acetic acid (2,4-D) 
650 4 |a ABA 
650 4 |a auxin 
650 4 |a citrus fruit 
650 4 |a ethylene 
650 4 |a fruit quality preservation 
650 4 |a fruit senescence 
650 4 |a plant hormones 
650 4 |a stress defence. 
650 7 |a Ethylenes  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Water  |2 NLM 
650 7 |a 059QF0KO0R  |2 NLM 
650 7 |a 2,4-Dichlorophenoxyacetic Acid  |2 NLM 
650 7 |a 2577AQ9262  |2 NLM 
650 7 |a Abscisic Acid  |2 NLM 
650 7 |a 72S9A8J5GW  |2 NLM 
650 7 |a Lignin  |2 NLM 
650 7 |a 9005-53-2  |2 NLM 
650 7 |a ethylene  |2 NLM 
650 7 |a 91GW059KN7  |2 NLM 
650 7 |a Salicylic Acid  |2 NLM 
650 7 |a O414PZ4LPZ  |2 NLM 
700 1 |a Ding, Yuduan  |e verfasserin  |4 aut 
700 1 |a Chang, Jiwei  |e verfasserin  |4 aut 
700 1 |a Sun, Xiaohua  |e verfasserin  |4 aut 
700 1 |a Zhang, Li  |e verfasserin  |4 aut 
700 1 |a Wei, Qingjiang  |e verfasserin  |4 aut 
700 1 |a Cheng, Yunjiang  |e verfasserin  |4 aut 
700 1 |a Chen, Lingling  |e verfasserin  |4 aut 
700 1 |a Xu, Juan  |e verfasserin  |4 aut 
700 1 |a Deng, Xiuxin  |e verfasserin  |4 aut 
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773 1 8 |g volume:65  |g year:2014  |g number:1  |g day:25  |g month:01  |g pages:61-74 
856 4 0 |u http://dx.doi.org/10.1093/jxb/ert344  |3 Volltext 
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