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240415s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108608
|2 doi
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|a pubmed24n1429.xml
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|a (DE-627)NLM371047692
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|a (NLM)38615445
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|a (PII)S0981-9428(24)00276-6
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Karle, Suhas Balasaheb
|e verfasserin
|4 aut
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|a Overexpression of OsTIP1;2 confers arsenite tolerance in rice and reduces root-to-shoot translocation of arsenic
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|c 2024
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|a Text
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|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 09.05.2024
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|a Date Revised 05.06.2024
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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 Tonoplast Intrinsic Proteins (TIPs) are vital in transporting water and solutes across vacuolar membrane. The role of TIPs in the arsenic stress response is largely undefined. Rice shows sensitivity to the arsenite [As[III]] stress and its accumulation at high concentrations in grains poses severe health hazards. In this study, functional characterization of OsTIP1;2 from Oryza sativa indica cultivar Pusa Basmati-1 (PB-1) was done under the As[III] stress. Overexpression of OsTIP1;2 in PB-1 rice conferred tolerance to As[III] treatment measured in terms of enhanced shoot growth, biomass, and shoot/root ratio of overexpression (OE) lines compared to the wild-type (WT) plants. Moreover, seed priming with the IRW100 yeast cells (deficient in vacuolar membrane As[III] transporter YCF1) expressing OsTIP1;2 further increased As[III] stress tolerance of both WT and OE plants. The dithizone assay showed that WT plants accumulated high arsenic in shoots, while OE lines accumulated more arsenic in roots than shoots thereby limiting the translocation of arsenic to shoot. The activity of enzymatic and non-enzymatic antioxidants also increased in the OE lines on exposure to As[III]. The tissue-specific localization showed OsTIP1;2 promoter activity in root and root hairs, indicating its possible root-specific function. After As[III] treatment in hydroponic medium, the arsenic translocation factor (TF) for WT was around 0.8, while that of OE lines was around 0.2. Moreover, the arsenic content in the grains of OE lines reduced significantly compared to WT plants
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|a Journal Article
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|a Aquaporins
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|a Arsenic
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|a Rice
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|a Tonoplast intrinsic proteins
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|a Translocation factor
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Arsenites
|2 NLM
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| 650 |
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|a Arsenic
|2 NLM
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| 650 |
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|a N712M78A8G
|2 NLM
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| 650 |
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|a arsenite
|2 NLM
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| 650 |
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|a N5509X556J
|2 NLM
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| 650 |
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|a Membrane Proteins
|2 NLM
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|a Negi, Yogesh
|e verfasserin
|4 aut
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|a Srivastava, Sudhakar
|e verfasserin
|4 aut
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|a Suprasanna, Penna
|e verfasserin
|4 aut
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|a Kumar, Kundan
|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 210(2024) vom: 25. Mai, Seite 108608
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:210
|g year:2024
|g day:25
|g month:05
|g pages:108608
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108608
|3 Volltext
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|d 210
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