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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erz341
|2 doi
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|a pubmed24n0997.xml
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|a (DE-627)NLM299394344
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|a (NLM)31327013
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Villette, Jérémy
|e verfasserin
|4 aut
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| 245 |
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|a Unique features of the grapevine VvK5.1 channel support novel functions for outward K+ channels in plants
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|c 2019
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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 Completed 10.08.2020
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|a Date Revised 10.08.2020
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|a published: Print
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|a CommentIn: J Exp Bot. 2019 Nov 18;70(21):5985-5989. - PMID 31738434
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|a Citation Status MEDLINE
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Grapevine (Vitis vinifera L.), one of the most important fruit crops, is a model plant for studying the physiology of fleshy fruits. Here, we report on the characterization of a new grapevine Shaker-type K+ channel, VvK5.1. Phylogenetic analysis revealed that VvK5.1 belongs to the SKOR-like subfamily. Our functional characterization of VvK5.1 in Xenopus oocytes confirms that it is an outwardly rectifying K+ channel that displays strict K+ selectivity. Gene expression level analyses by real-time quantitative PCR showed that VvK5.1 expression was detected in berries, roots, and flowers. In contrast to its Arabidopsis thaliana counterpart that is involved in K+ secretion in the root pericycle, allowing root to shoot K+ translocation, VvK5.1 expression territory is greatly enlarged. Using in situ hybridization we showed that VvK5.1 is expressed in the phloem and perivascular cells of berries and in flower pistil. In the root, in addition to being expressed in the root pericycle like AtSKOR, a strong expression of VvK5.1 is detected in small cells facing the xylem that are involved in lateral root formation. This fine and selective expression pattern of VvK5.1 at the early stage of lateral root primordia supports a role for outward channels to switch on cell division initiation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Flowers
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| 650 |
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|a new physiological properties
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| 650 |
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|a new tissue location sites
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| 650 |
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4 |
|a phloem
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| 650 |
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4 |
|a potassium Shaker channel
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| 650 |
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4 |
|a root lateral primordium
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| 650 |
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4 |
|a root to shoot translocation
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| 650 |
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|a DNA, Complementary
|2 NLM
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| 650 |
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7 |
|a Plant Proteins
|2 NLM
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| 650 |
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|a Potassium Channels
|2 NLM
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| 650 |
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|a RNA, Messenger
|2 NLM
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| 700 |
1 |
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|a Cuéllar, Teresa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zimmermann, Sabine D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Verdeil, Jean-Luc
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gaillard, Isabelle
|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 70(2019), 21 vom: 18. Nov., Seite 6181-6193
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:70
|g year:2019
|g number:21
|g day:18
|g month:11
|g pages:6181-6193
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|u http://dx.doi.org/10.1093/jxb/erz341
|3 Volltext
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|d 70
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