ArticlePlant signaling & behavior2008
Heteromerization of Arabidopsis Kv channel alpha-subunits: Data and prospects.
Article in Plant signaling & behavior, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
9 citing papers in PubMed.
- Adjustment of KInternational journal of molecular sciences · 2021Review
- Potassium Control of Plant Functions: Ecological and Agricultural Implications.Plants (Basel, Switzerland) · 2021Article
- Grapevine Potassium Nutrition and Fruit Quality in the Context of Climate Change.Frontiers in plant science · 2020Review
- Regulation of KFrontiers in plant science · 2019Review
- CPK13, a noncanonical Ca2+-dependent protein kinase, specifically inhibits KAT2 and KAT1 shaker K+ channels and reduces stomatal opening.Plant physiology · 2014Article
- Distinct amino acids in the C-linker domain of the Arabidopsis K+ channel KAT2 determine its subcellular localization and activity at the plasma membrane.Plant physiology · 2014Article
- Open or close the gate - stomata action under the control of phytohormones in drought stress conditions.Frontiers in plant science · 2013Article
- The K (+) battery-regulating Arabidopsis K (+) channel AKT2 is under the control of multiple post-translational steps.Plant signaling & behavior · 2011Article
- Preferential KAT1-KAT2 heteromerization determines inward K+ current properties in Arabidopsis guard cells.The Journal of biological chemistry · 2010Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Potassium translocation in plants is accomplished by a large variety of transport systems. Most of the available molecular information on these proteins concerns voltage-gated potassium channels (Kv channels). The Arabidopsis genome comprises nine genes encoding alpha-subunits of Kv channels. Based on knowledge of their animal homologues, and on biochemical investigations, it is broadly admitted that four such polypeptides must assemble to yield a functional Kv channel. The intrinsic functional properties of Kv channel alpha-subunits have been described by expressing them in suitable heterologous contexts where homo-tetrameric channels could be characterized. However, due to the high similarity of both the polypeptidic sequence and the structural scheme of Kv channel alpha-subunits, formation of heteromeric Kv channels by at least two types of alpha-subunits is conceivable. Several examples of such heteromeric plant Kv channels have been studied in heterologous expression systems and evidence that heteromerization actually occurs in planta has now been published. It is therefore challenging to uncover the physiological role of this heteromerization. Fine tuning of Kv channels by heteromerisation could be relevant not only to potassium transport but also to electrical signaling within the plant.
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Registered trials
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