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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.107896
|2 doi
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|a (DE-627)NLM35974110X
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|a eng
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|a Cui, Meng
|e verfasserin
|4 aut
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|a Flavonoid profile of Anoectochilus roxburghii (Wall.) Lindl. Under short-term heat stress revealed by integrated metabolome, transcriptome, and biochemical analyses
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 14.08.2023
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|a Date Revised 14.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Global warming severely threatens plant growth, and could lead to yield reduction. Although findings suggest that flavonoids play important roles in biological process in plants, their response to heat stress in Anoectochilus roxburghii (Wall.) Lindl. remains unclear. Here, we aimed to examine the flavonoid profile of A. roxburghii under heat stress and assess the effect of exogenous application of quercetin on heat stress tolerance. Metabolome analysis showed that quercetin, tricetin, isorhamnetin, scutellarein, and 4',7-Isoflavandiol were the main upregulated flavonoids in A. roxburghii, based on variable importance in the projection >1 and with fold change >2. Determination of the concentrations of the flavonoids using a standard curve revealed that quercetin, kaempferol, and isorhamnetin contents increased by 8.24-, 7.55-, and 5.01-fold, respectively, during heat stress, whereas rutin concentration decreased from 83.04 to 80.89 mg/kg (dry weight). Additionally, transcriptome analysis indicated increased expression of several genes in flavonoid biosynthesis pathways, including phenylalanine ammonia-lyase and chalcone synthase. Moreover, exogenous application of quercetin improved the antioxidant capacity and physiological parameters, including photosynthetic rate and chlorophyll content, of A. roxburghii under heat stress. Overall, the flavonoid profile of A. roxburghii under short-term heat stress was characterized based on integrated metabolomic, transcriptomic, and biochemical analyses, providing new insights for improving the biological value of A. roxburghii
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|a Journal Article
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|a Anoectochilus roxburghii
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|a Flavonoid
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|a Heat stress
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|a Photosynthesis
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4 |
|a Quercetin
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| 650 |
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7 |
|a Flavonoids
|2 NLM
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| 650 |
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7 |
|a Quercetin
|2 NLM
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| 650 |
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|a 9IKM0I5T1E
|2 NLM
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| 700 |
1 |
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|a Liang, Zhiyan
|e verfasserin
|4 aut
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|a Liu, Yuxin
|e verfasserin
|4 aut
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|a Sun, Qifang
|e verfasserin
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|a Wu, Dong
|e verfasserin
|4 aut
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|a Luo, Liping
|e verfasserin
|4 aut
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|a Hao, Yingbin
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 201(2023) vom: 01. Aug., Seite 107896
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
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|g volume:201
|g year:2023
|g day:01
|g month:08
|g pages:107896
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|u http://dx.doi.org/10.1016/j.plaphy.2023.107896
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