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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erw094
|2 doi
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|a pubmed24n0860.xml
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|a (NLM)26962210
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|a (PII)erw094
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a de Marcos Lousa, Carine
|e verfasserin
|4 aut
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|a Subcellular localization and trafficking of phytolongins (non-SNARE longins) in the plant secretory pathway
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 23.01.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a SNARE proteins are central elements of the machinery involved in membrane fusion of eukaryotic cells. In animals and plants, SNAREs have diversified to sustain a variety of specific functions. In animals, R-SNARE proteins called brevins have diversified; in contrast, in plants, the R-SNARE proteins named longins have diversified. Recently, a new subfamily of four longins named 'phytolongins' (Phyl) was discovered. One intriguing aspect of Phyl proteins is the lack of the typical SNARE motif, which is replaced by another domain termed the 'Phyl domain'. Phytolongins have a rather ubiquitous tissue expression in Arabidopsis but still await intracellular characterization. In this study, we found that the four phytolongins are distributed along the secretory pathway. While Phyl2.1 and Phyl2.2 are strictly located at the endoplasmic reticulum network, Phyl1.2 associates with the Golgi bodies, and Phyl1.1 locates mainly at the plasma membrane and partially in the Golgi bodies and post-Golgi compartments. Our results show that export of Phyl1.1 from the endoplasmic reticulum depends on the GTPase Sar1, the Sar1 guanine nucleotide exchange factor Sec12, and the SNAREs Sec22 and Memb11. In addition, we have identified the Y48F49 motif as being critical for the exit of Phyl1.1 from the endoplasmic reticulum. Our results provide the first characterization of the subcellular localization of the phytolongins, and we discuss their potential role in regulating the secretory pathway
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|a Journal Article
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|a ER export YF motif
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|a longin domain
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|a phytolongins
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|a protein targeting
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|a secretory pathway
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|a subcellular localization.
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|a Soubeyrand, Eric
|e verfasserin
|4 aut
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|a Bolognese, Paolo
|e verfasserin
|4 aut
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|a Wattelet-Boyer, Valerie
|e verfasserin
|4 aut
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| 700 |
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|a Bouyssou, Guillaume
|e verfasserin
|4 aut
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|a Marais, Claireline
|e verfasserin
|4 aut
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|a Boutté, Yohann
|e verfasserin
|4 aut
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|a Filippini, Francesco
|e verfasserin
|4 aut
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| 700 |
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|a Moreau, Patrick
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 67(2016), 9 vom: 11. Apr., Seite 2627-2639
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:67
|g year:2016
|g number:9
|g day:11
|g month:04
|g pages:2627-2639
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|u http://dx.doi.org/10.1093/jxb/erw094
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