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240508s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108679
|2 doi
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|a pubmed24n1418.xml
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|a (DE-627)NLM372027482
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|e rakwb
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|a eng
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| 100 |
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|a Zhu, Wenhui
|e verfasserin
|4 aut
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|a Integrated anatomical structure, physiological, and transcriptomic analyses to identify differential cold tolerance responses of Ziziphus jujuba mill. 'Yueguang' and its autotetraploid 'Hongguang'
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 24.05.2024
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|a Date Revised 24.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a Cold stress is a limiting stress factor that limits plant distribution and development; however, polyploid plants have specific characteristics such as higher resistance to abiotic stress, especially cold stress, that allow them to overcome this challenge. The cultivated cultivar Ziziphus jujuba Mill. 'Yueguang' (YG) and its autotetraploid counterpart 'Hongguang' (HG) exhibit differential cold tolerance. However, the underlying molecular mechanism and methods to enhance their cold tolerance remain unknown. Anatomical structure and physiological analysis indicated YG had a higher wood bark ratio, and xylem ratio under cold treatment compared to HG. However, the half-lethal temperature (LT50), cortex ratio, and malondialdehyde (MDA) content were significantly decreased in YG than HG, which indicated YG was cold tolerant than HG. Transcriptome analysis showed that 2084, 1725, 2888, and 2934 differentially expressed genes (DEGs) were identified in HC vs YC, H20 vs Y20, Y20 vs YC, and H20 vs HC treatment, respectively. Meanwhile, KEGG enrichment analysis of DEGs showed that several metabolic pathways, primarily plant hormone signal transduction and the MAPK signaling pathway, were involved in the differential regulation of cold tolerance between YG and HG. Furthermore, exogenous abscisic acid (ABA) and brassinolide (BR) treatments could improve their cold tolerance through increased SOD and POD activities, decreased relative electrical conductivity, and MDA content. All of these findings suggested that plant hormone signal transduction, particularly ABA and BR, might have an important role in the regulation of differential cold tolerance between YG and HG, laying the foundation for further improving cold tolerance in jujube and examining the molecular mechanisms underlying differences in cold tolerance among different ploidy cultivars
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|a Journal Article
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|a ABA
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|a Autotetraploid
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|a BR
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|a Cold stress
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|a Transcriptome
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|a Yueguang
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|a Malondialdehyde
|2 NLM
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| 650 |
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|a 4Y8F71G49Q
|2 NLM
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| 700 |
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|a Li, Ruimei
|e verfasserin
|4 aut
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|a Guo, Xiaoxue
|e verfasserin
|4 aut
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|a Li, Jiuyang
|e verfasserin
|4 aut
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|a Muhammad, Noor
|e verfasserin
|4 aut
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|a Qi, Chaofeng
|e verfasserin
|4 aut
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|a Gao, Mengjiao
|e verfasserin
|4 aut
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|a Wang, Chenyu
|e verfasserin
|4 aut
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|a Liu, Mengjun
|e verfasserin
|4 aut
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|a Tang, Gangliang
|e verfasserin
|4 aut
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|a Sadeghnezhad, Ehsan
|e verfasserin
|4 aut
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|a Liu, Zhiguo
|e verfasserin
|4 aut
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|a Wang, Lixin
|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 211(2024) vom: 01. Mai, Seite 108679
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:211
|g year:2024
|g day:01
|g month:05
|g pages:108679
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108679
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