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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2022.01.011
|2 doi
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|a pubmed24n1120.xml
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|a (DE-627)NLM336255179
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|a (NLM)35091196
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|a (PII)S0981-9428(22)00019-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Yingting
|e verfasserin
|4 aut
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|a CfAPX, a cytosolic ascorbate peroxidase gene from Cryptomeria fortunei, confers tolerance to abiotic stress in transgenic Arabidopsis
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|c 2022
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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
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|2 rdacarrier
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|a Date Completed 07.02.2022
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|a Date Revised 07.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Masson SAS. All rights reserved.
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|a Plants subjected to biotic or abiotic stresses produce a large amount of reactive oxygen species (ROS). If ROS cannot be cleared in time, they cause a series of harmful reactions in plants. Ascorbate peroxidase (APX) is a key enzyme that removes ROS from plant cells and plays a vital role in plant stress resistance. However, to date, no studies on APX homologs in Cryptomeria fortunei have been reported. In this study, we isolated complementary DNA (cDNA) encoding APXfrom C. fortunei needles, which is referred to as CfAPX, by rapid amplification of cDNA ends (RACE). The full-length CfAPX sequence was 1226 bp in length and included a 750-bp open reading frame (ORF) encoding a protein of 249 amino acids. Phylogenetic analysis showed that APXs of different plant species have been highly evolutionarily conserved. CfAPX was shown to belong to the cytoplasmic subgroup and was more closely related to GbAPX of the gymnosperm Ginkgo biloba. CfAPX showed no transcriptional activity in yeast cells but was highly expressed in cones. To better handle abiotic stresses, compared with wild-type (WT) Arabidopsis thaliana, 35S::CfAPX transgenic Arabidopsis strongly expressed CfAPX, presented increased antioxidant enzyme activities, ascorbic acid (AsA) contents, chlorophyll levels and fluorescence parameter and reduced malondialdehyde (MDA) and hydrogen peroxide (H2O2) contents. In addition, CfAPX expression in C. fortunei was mostly upregulated under stress. In summary, CfAPX confers abiotic stress responses to plants, which provides a scientific basis for subsequent breeding for increased stress resistance in C. fortunei
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|a Journal Article
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|a Drought stress
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|a Expression analysis
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|a Freezing stress
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|a Heat tolerance
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|a Salt stress
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|a Plant Proteins
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Ascorbate Peroxidases
|2 NLM
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| 650 |
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|a EC 1.11.1.11
|2 NLM
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| 650 |
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|a Ascorbic Acid
|2 NLM
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| 650 |
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|a PQ6CK8PD0R
|2 NLM
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| 700 |
1 |
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|a Yang, Liwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Meng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Junjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Jiebing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Hailiang
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Jin
|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 172(2022) vom: 01. Feb., Seite 167-179
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:172
|g year:2022
|g day:01
|g month:02
|g pages:167-179
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|u http://dx.doi.org/10.1016/j.plaphy.2022.01.011
|3 Volltext
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