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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2022.12.020
|2 doi
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|a pubmed24n1171.xml
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|a (DE-627)NLM351515933
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|a (NLM)36640684
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|a (PII)S0981-9428(22)00563-0
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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 |
1 |
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|a Li, Yuxia
|e verfasserin
|4 aut
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|a Effects of soil drought on cottonseed kernel carbohydrate metabolism and kernel biomass accumulation
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|c 2023
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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 31.01.2023
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|a Date Revised 02.02.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022. Published by Elsevier Masson SAS.
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|a Cottonseed is the main coproduct of cotton production. The carbohydrate metabolism provides carbon substrate for the accumulation of cottonseed kernel biomass which was the basis of cottonseed kernel development. However, the responses of drought stress on carbohydrate metabolism in kernels are still unclear. To address this, two cotton cultivars (Dexiamian 1 and Yuzaomian 9110) were cultivated under three water treatments including soil relative water content (SRWC) at (75 ± 5)% (control), (60 ± 5)% (mild drought) and (45 ± 5)% (severe drought) to investigate the effects of soil drought on cottonseed kernel carbohydrate metabolism and kernel biomass accumulation. Results suggested that drought restrained the accumulation of cottonseed kernel biomass which eventually decreased cottonseed kernel biomass at maturity. In detail, the down-regulation of sucrose phosphate synthase (SPS) activity led to the inhibition of sucrose synthesis, while the up-regulation of invertase (INV) promoted the sucrose decomposite, which reduced the sucrose content eventually under drought. Though hexose content was increased, phosphoenolpyruvic acid (PEP) content was decreased under drought by downregulating 6-phosphofructokinase (PFK) and pyruvate kinase (PK) activities, which hindered the conversion of hexose to PEP. The large decrease of sucrose and PEP contents hindered the accumulation of kernel biomass. The related substances contents and enzyme activities in carbohydrate metabolism of Yuzaomian 9110 were more susceptible to drought stress than Dexiamian 1
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|a Journal Article
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|a Carbohydrate metabolism
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|a Cotton (Gossypium hirsutum L.)
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|a Cottonseed kernel
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|a Soil drought
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|a Cottonseed Oil
|2 NLM
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|a Soil
|2 NLM
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| 650 |
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|a Sucrose
|2 NLM
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| 650 |
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|a 57-50-1
|2 NLM
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| 700 |
1 |
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|a Hu, Wei
|e verfasserin
|4 aut
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|a Zou, Jie
|e verfasserin
|4 aut
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| 700 |
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|a He, Jiaqi
|e verfasserin
|4 aut
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|a Zhu, Honghai
|e verfasserin
|4 aut
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|a Zhao, Wenqing
|e verfasserin
|4 aut
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|a Wang, Youhua
|e verfasserin
|4 aut
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|a Chen, Binglin
|e verfasserin
|4 aut
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|a Meng, Yali
|e verfasserin
|4 aut
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|a Wang, Shanshan
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Zhiguo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 195(2023) vom: 08. Feb., Seite 170-181
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:195
|g year:2023
|g day:08
|g month:02
|g pages:170-181
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|u http://dx.doi.org/10.1016/j.plaphy.2022.12.020
|3 Volltext
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