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|a 10.1093/jxb/erae031
|2 doi
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|a pubmed24n1577.xml
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|a (NLM)38280207
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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 Symonds, Kyle
|e verfasserin
|4 aut
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|a Functional characterization of calmodulin-like proteins, CML13 and CML14, as novel light chains of Arabidopsis class VIII myosins
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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 16.04.2024
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|a Date Revised 23.10.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2024. 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 Myosins are important motor proteins that associate with the actin cytoskeleton. Structurally, myosins function as heteromeric complexes where smaller light chains, such as calmodulin (CaM), bind to isoleucine-glutamine (IQ) domains in the neck region to facilitate mechano-enzymatic activity. We recently identified Arabidopsis CaM-like (CML) proteins CML13 and CML14 as interactors of proteins containing multiple IQ domains, including a myosin VIII. Here, we demonstrate that CaM, CML13, and CML14 bind the neck region of all four Arabidopsis myosin VIII isoforms. Among CMLs tested for binding to myosins VIIIs, CaM, CML13, and CML14 gave the strongest signals using in planta split-luciferase protein interaction assays. In vitro, recombinant CaM, CML13, and CML14 showed specific, high-affinity, calcium-independent binding to the IQ domains of myosin VIIIs. CaM, CML13, and CML14 co-localized to plasma membrane-bound puncta when co-expressed with red fluorescent protein-myosin fusion proteins containing IQ and tail domains of myosin VIIIs. In vitro actin motility assays using recombinant myosin VIIIs demonstrated that CaM, CML13, and CML14 function as light chains. Suppression of CML13 or CML14 expression using RNA silencing resulted in a shortened-hypocotyl phenotype, similar to that observed in a quadruple myosin mutant, myosin viii4KO. Collectively, our data indicate that Arabidopsis CML13 and CML14 are novel myosin VIII light chains
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|a Journal Article
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|a Calmodulin-like proteins
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|a cytoskeleton
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|a motor protein
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|a myosin light chains
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|a plant myosins
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|a Calmodulin
|2 NLM
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| 650 |
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|a Myosin Light Chains
|2 NLM
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| 650 |
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|a Actins
|2 NLM
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1 |
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|a Teresinski, Howard J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hau, Bryan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dwivedi, Vikas
|e verfasserin
|4 aut
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| 700 |
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|a Belausov, Eduard
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bar-Sinai, Sefi
|e verfasserin
|4 aut
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1 |
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|a Tominaga, Motoki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Haraguchi, Takeshi
|e verfasserin
|4 aut
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| 700 |
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|a Sadot, Einat
|e verfasserin
|4 aut
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|a Ito, Kohji
|e verfasserin
|4 aut
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| 700 |
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|a Snedden, Wayne A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 8 vom: 15. Apr., Seite 2313-2329
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:75
|g year:2024
|g number:8
|g day:15
|g month:04
|g pages:2313-2329
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|u http://dx.doi.org/10.1093/jxb/erae031
|3 Volltext
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|d 75
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|h 2313-2329
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