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240804s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112206
|2 doi
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|a pubmed24n1547.xml
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|a (DE-627)NLM375843922
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|a (NLM)39096975
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|a (PII)S0168-9452(24)00233-4
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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 Appunu, Chinnaswamy
|e verfasserin
|4 aut
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|a Overexpression of EaALDH7, an aldehyde dehydrogenase gene from Erianthus arundinaceus enhances salinity tolerance in transgenic sugarcane (Saccharum spp. Hybrid)
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|c 2024
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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 14.09.2024
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|a Date Revised 24.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Aldehyde Dehydrogenases (ALDH), a group of enzymes, are associated with the detoxification of aldehydes, produced in plants during abiotic stress conditions. Salinity remains a pivotal abiotic challenge that poses a significant threat to cultivation and yield of sugarcane. In this study, an Aldehyde dehydrogenase gene (EaALDH7) from Erianthus arundinaceus was overexpressed in the commercial sugarcane hybrid cultivar Co 86032. The transgenic lines were evaluated at different NaCl concentrations ranging from 0 mM to 200 mM for various morpho-physiological and biochemical parameters. The control plants, subjected to salinity stress condition, exhibited morphological changes in protoxylem, metaxylem, pericycle and pith whereas the transgenic events were on par with plants under regular irrigation. The overexpressing (OE) lines showed less cell membrane injury and improved photosynthetic rate, transpiration rate, and stomatal conductance than the untransformed control plants under stress conditions. Elevated proline content, higher activity of enzymatic antioxidants such as sodium dismutase (SOD), catalase (CAT), glutathione reductase (GR) and ascorbate peroxidase (APX) and low level of malondialdehyde MDA and hydrogen peroxide (H2O2) in the transgenic lines. The analysis of EaALDH7 expression revealed a significant upregulation in the transgenic lines compared to that of the untransformed control during salt stress conditions. The current study highlights the potentials of EaALDH7 gene in producing salinity-tolerant sugarcane cultivars
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|a Journal Article
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|a EaALDH7
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|a Salinity stress
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|a Stress tolerance
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|a Transgenic lines
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|a Aldehyde Dehydrogenase
|2 NLM
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|a EC 1.2.1.3
|2 NLM
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|a Plant Proteins
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|a Surya Krishna, Sakthivel
|e verfasserin
|4 aut
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|a Harish Chandar, S R
|e verfasserin
|4 aut
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|a Valarmathi, Ramanathan
|e verfasserin
|4 aut
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|a Suresha, Giriyapur Shivalingamurthy
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|4 aut
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|a Sreenivasa, Venkatarayappa
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|a Malarvizhi, Arthanari
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|a Manickavasagam, Markandan
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|a Arun, Muthukrishnan
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|a Arun Kumar, Raja
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|a Gomathi, Raju
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|a Hemaprabha, Govindakurup
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 348(2024) vom: 14. Sept., Seite 112206
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
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|g volume:348
|g year:2024
|g day:14
|g month:09
|g pages:112206
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112206
|3 Volltext
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|d 348
|j 2024
|b 14
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|h 112206
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