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240303s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2024.154207
|2 doi
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|a pubmed24n1346.xml
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|a (DE-627)NLM369204506
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|a (NLM)38430574
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|a (PII)S0176-1617(24)00038-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Kong, Weiye
|e verfasserin
|4 aut
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| 245 |
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|a Overexpression of MsNIP2 improves salinity tolerance in Medicago sativa
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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 25.03.2024
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|a Date Revised 25.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024. Published by Elsevier GmbH.
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|a Alfalfa (Medicago sativa) is one of the most widely cultivated forage crops in the world. However, alfalfa yield and quality are adversely affected by salinity stress. Nodulin 26-like intrinsic proteins (NIPs) play essential roles in water and small molecules transport and response to salt stress. Here, we isolated a salt stress responsive MsNIP2 gene and demonstrated its functions by overexpression in alfalfa. The open reading frame of MsNIP2 is 816 bp in length, and it encodes 272 amino acids. It has six transmembrane domains and two NPA motifs. MsNIP2 showed high identity to other known NIP proteins, and its tertiary model was similar to the crystal structure of OsNIP2-1 (7cjs) tetramer. Subcellular localization analysis showed that MsNIP2 protein fused with green fluorescent protein (GFP) was localized to the plasma membrane. Transgenic alfalfa lines overexpressing MsNIP2 showed significantly higher height and branch number compared with the non-transgenic control. The POD and CAT activity of the transgenic alfalfa lines was significantly increased and their MDA content was notably reduced compared with the control group under the treatment of NaCl. The transgenic lines showed higher capability in scavenging oxygen radicals with lighter NBT staining than the control under salt stress. The transgenic lines showed relative lower water loss rate and electrolyte leakage, but relatively higher Na+ content than the control line under salt stress. The relative expression levels of abiotic-stress-related genes (MsHSP23, MsCOR47, MsATPase, and MsRD2) in three transgenic lines were compared with the control, among them, only the expression of MsCOR47 was up-regulated. Consequently, this study offers a novel perspective for exploring the function of MsNIP2 in improving salt tolerance of alfalfa
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|a Journal Article
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|a Medicago sativa
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|a MsNIP2
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|a NIPs
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|a Overexpression
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|a Salt tolerance
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Huang, Haijun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Wenxuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Zhihu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Yijing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yi, Dengxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Guofeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pang, Yongzhen
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 295(2024) vom: 02. März, Seite 154207
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:295
|g year:2024
|g day:02
|g month:03
|g pages:154207
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|u http://dx.doi.org/10.1016/j.jplph.2024.154207
|3 Volltext
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