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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/ers226
|2 doi
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|a pubmed24n1338.xml
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|a (DE-627)NLM220440468
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|a (NLM)22915749
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Xu, Fei
|e verfasserin
|4 aut
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|a The role of alternative oxidase in tomato fruit ripening and its regulatory interaction with ethylene
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 31.12.2013
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|a Date Revised 21.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Although the alternative oxidase (AOX) has been proposed to play a role in fruit development, the function of AOX in fruit ripening is unclear. To gain further insight into the role of AOX in tomato fruit ripening, transgenic tomato plants 35S-AOX1a and 35S-AOX-RNAi were generated. Tomato plants with reduced LeAOX levels exhibited retarded ripening; reduced carotenoids, respiration, and ethylene production; and the down-regulation of ripening-associated genes. Moreover, no apparent respiratory climacteric occurred in the AOX-reduced tomato fruit, indicating that AOX might play an important role in climacteric respiration. In contrast, the fruit that overexpressed LeAOX1a accumulated more lycopene, though they displayed a similar pattern of ripening to wild-type fruit. Ethylene application promoted fruit ripening and anticipated ethylene production and respiration, including the alternative pathway respiration. Interestingly, the transgenic plants with reduced LeAOX levels failed to ripen after 1-methylcyclopropene (1-MCP) treatment, while such inhibition was notably less effective in 35S-AOX1a fruit. These findings indicate that AOX is involved in respiratory climacteric and ethylene-mediated fruit ripening of tomato
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cyclopropanes
|2 NLM
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|a Ethylenes
|2 NLM
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|a Mitochondrial Proteins
|2 NLM
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|a Plant Growth Regulators
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Hydrogen Cyanide
|2 NLM
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|a 2WTB3V159F
|2 NLM
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|a Carotenoids
|2 NLM
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|a 36-88-4
|2 NLM
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|a Adenosine Triphosphate
|2 NLM
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|a 8L70Q75FXE
|2 NLM
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|a ethylene
|2 NLM
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|a 91GW059KN7
|2 NLM
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|a Oxidoreductases
|2 NLM
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|a EC 1.-
|2 NLM
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|a alternative oxidase
|2 NLM
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|a EC 1.-
|2 NLM
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|a 1-methylcyclopropene
|2 NLM
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|a J6UJO23JGU
|2 NLM
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| 650 |
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|a Lycopene
|2 NLM
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| 650 |
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|a SB0N2N0WV6
|2 NLM
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| 700 |
1 |
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|a Yuan, Shu
|e verfasserin
|4 aut
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|a Zhang, Da-Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lv, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Hong-Hui
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 63(2012), 15 vom: 22. Sept., Seite 5705-16
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:63
|g year:2012
|g number:15
|g day:22
|g month:09
|g pages:5705-16
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|u http://dx.doi.org/10.1093/jxb/ers226
|3 Volltext
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|h 5705-16
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