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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17751
|2 doi
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|a pubmed24n1108.xml
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|a (NLM)34725822
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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 Shiono, Katsuhiro
|e verfasserin
|4 aut
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| 245 |
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|a Abscisic acid is required for exodermal suberization to form a barrier to radial oxygen loss in the adventitious roots of rice (Oryza sativa)
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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
|b cr
|2 rdacarrier
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|a Date Completed 24.03.2022
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|a Date Revised 24.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation.
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|a To acclimate to waterlogged conditions, wetland plants form a barrier to radial oxygen loss (ROL) that can enhance oxygen transport to the root apex. We hypothesized that one or more hormones are involved in the induction of the barrier and searched for such hormones in rice. We previously identified 98 genes that were tissue-specifically upregulated during ROL barrier formation in rice. The RiceXPro database showed that most of these genes were highly enhanced by exogenous abscisic acid (ABA). We then examined the effect of ABA on ROL barrier formation by using an ABA biosynthesis inhibitor (fluridone, FLU), by applying exogenous ABA and by examining a mutant with a defective ABA biosynthesis gene (osaba1). FLU suppressed barrier formation in a stagnant solution that mimics waterlogged soil. Under aerobic conditions, rice does not naturally form a barrier, but 24 h of ABA treatment induced barrier formation. osaba1 did not form a barrier under stagnant conditions, but the application of ABA rescued the barrier. In parallel with ROL barrier formation, suberin lamellae formed in the exodermis. These findings strongly suggest that ABA is an inducer of suberin lamellae formation in the exodermis, resulting in an ROL barrier formation in rice
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a apoplastic barrier
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|a exodermis
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|a hypoxia
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|a plant hormone
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| 650 |
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|a rhizosphere oxidization
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| 650 |
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|a root aeration system
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| 650 |
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4 |
|a suberin lamellae
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|a waterlogging
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| 650 |
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|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 650 |
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|a Lignin
|2 NLM
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| 650 |
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|a 9005-53-2
|2 NLM
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| 650 |
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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| 700 |
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|a Yoshikawa, Marina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kreszies, Tino
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yamada, Sumiyo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hojo, Yuko
|e verfasserin
|4 aut
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| 700 |
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|a Matsuura, Takakazu
|e verfasserin
|4 aut
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| 700 |
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|a Mori, Izumi C
|e verfasserin
|4 aut
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| 700 |
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|a Schreiber, Lukas
|e verfasserin
|4 aut
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| 700 |
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|a Yoshioka, Toshihito
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 233(2022), 2 vom: 02. Jan., Seite 655-669
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:233
|g year:2022
|g number:2
|g day:02
|g month:01
|g pages:655-669
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|u http://dx.doi.org/10.1111/nph.17751
|3 Volltext
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|d 233
|j 2022
|e 2
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|c 01
|h 655-669
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