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|a 10.1093/jxb/erad400
|2 doi
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|a pubmed24n1482.xml
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|a (DE-627)NLM363127119
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|a (NLM)37819623
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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 Moser, Morgan
|e verfasserin
|4 aut
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|a Plant KASH proteins SINE1 and SINE2 have synergistic and antagonistic interactions with actin-branching and actin-bundling factors
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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
|b cr
|2 rdacarrier
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|a Date Completed 25.12.2023
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|a Date Revised 26.07.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2023. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Linker of nucleoskeleton and cytoskeleton (LINC) complexes consist of outer nuclear membrane KASH proteins, interacting in the nuclear envelope lumen with inner nuclear membrane SUN proteins and connecting the nucleus and cytoskeleton. The paralogous Arabidopsis KASH proteins SINE1 and SINE2 function during stomatal dynamics induced by light-dark transitions and abscisic acid (ABA), which requires F-actin reorganization. SINE2 influences actin depolymerization and SINE1 actin repolymerization. The actin-related protein 2/3 (ARP2/3) complex, an actin nucleator, and the plant actin-bundling and -stabilizing factor SCAB1 are involved in stomatal aperture control. Here, we have tested the genetic interaction of SINE1 and SINE2 with SCAB1 and the ARP2/3 complex. We show that SINE1 and the ARP2/3 complex function in the same pathway during ABA-induced stomatal closure, while SINE2 and the ARP2/3 complex play opposing roles. The actin repolymerization defect observed in sine1-1 is partially rescued in scab1-2 sine1-1, while SINE2 is epistatic to SCAB1. In addition, SINE1 and ARP2/3 act synergistically in lateral root development. The absence of SINE2 renders trichome development independent of the ARP2/3 complex. Together, these data reveal complex and differential interactions of the two KASH proteins with the actin-remodeling apparatus and add evidence to the proposed differential role of SINE1 and SINE2 in actin dynamics
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a ARP2/3 complex
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| 650 |
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4 |
|a Actin
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|a KASH
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|a LINC complex
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| 650 |
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|a cytoskeleton
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| 650 |
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|a guard cells
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| 650 |
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|a stomata
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| 650 |
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|a trichomes
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| 650 |
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|a Actins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 700 |
1 |
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|a Groves, Norman R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meier, Iris
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 1 vom: 01. Jan., Seite 73-87
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:75
|g year:2024
|g number:1
|g day:01
|g month:01
|g pages:73-87
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erad400
|3 Volltext
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|d 75
|j 2024
|e 1
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|c 01
|h 73-87
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