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241220s2024 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erae500
|2 doi
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|a pubmed25n1271.xml
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|a (DE-627)NLM381864472
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|a (NLM)39700432
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|a (PII)erae500
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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 Ding, Lei
|e verfasserin
|4 aut
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|a The maize aquaporin ZmPIP1;6 enhances stomatal opening and CO2- and ABA-induced stomatal closure
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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 Revised 19.12.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a The plasma membrane aquaporin ZmPIP1;6 is expressed in maize stomatal complexes, with higher expression during the day than at night. To elucidate the role of ZmPIP1;6 in gas exchange and stomatal movement, it was expressed in maize (inbred line B104) under the control of p35S promoter (OE) or its native promoter fused with mYFP cDNA (mYFP-ZmPIP1;6). In stomatal complexes of the leaf mature zone, mYFP-ZmPIP1;6 showed higher expression in subsidiary cells than in guard cells, with light and dark treatments influencing its subcellular localization. Notably, ZmPIP1;6 internalization increased in dark conditions versus light. Stomatal opening was greater in ZmPIP1;6 OE than in wild type (WT), while closure exhibited greater sensitivity to elevated CO2 concentration or ABA treatment. Our finding revealed that reactive oxygen species (H2O2) was involved in ABA-induced stomatal closure, while ZmPIP1;6 was unable to facilitate H2O2 diffusion when expressed in yeast. Finally, ZmPIP1;6 OE and mYFP-ZmPIP1;6 transgenic plants exhibited higher abaxial stomatal density than WT. Overall, these results indicate that ZmPIP1;6 plays important roles in stomatal opening and CO2- and ABA-induced stomatal closure
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|a Journal Article
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|a ABA signaling
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|a CO2 signaling
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|a H2O2
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|a Maize stomata
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|a aquaporin
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|a stomatal movement
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|a Laurent, Maxime J
|e verfasserin
|4 aut
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|a Milhiet, Thomas
|e verfasserin
|4 aut
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|a Aesaert, Stijn
|e verfasserin
|4 aut
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|a Van Lijsbettens, Mieke
|e verfasserin
|4 aut
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|a Pauwels, Laurens
|e verfasserin
|4 aut
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|a Nelissen, Hilde
|e verfasserin
|4 aut
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|a Inzé, Dirk
|e verfasserin
|4 aut
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|a Chaumont, François
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g (2024) vom: 19. Dez.
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
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|g year:2024
|g day:19
|g month:12
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|u http://dx.doi.org/10.1093/jxb/erae500
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