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Gene : AT5G61350 A. thaliana

DB identifier  ? AT5G61350 Secondary Identifier  ? locus:2163158
Brief Description  Protein kinase superfamily protein
TAIR Computational Description  Protein kinase superfamily protein;(source:Araport11)
TAIR Curator Summary  Encodes a membrane-localized receptor-like kinase that regulates root hair tip growth by maintaining cytoplasmic Ca2+ gradients. Knockouts of CAP1 produced more cytoplasmic NH4+ and ceased growth of root hairs on MS medium except when NH4+ was depleted; NH4+ depletion reestablished the Ca2+ gradient necessary for normal growth. The lower net NH4+ influx across the vacuolar membrane and relatively alkaline cytosolic pH of root hairs in cap1-1 relative to wild type implied that mutation of CAP1 results in more NH4+ accumulation in the cytoplasm. Furthermore, CAP1 functionally complemented npr1 kinase yeast mutant defective in high-affinity NH4+ uptake via MEP2, distinguishing CAP1 as a cytosolic modulator of NH4+ level that participates in NH4+ homeostasis-regulated root hair growth by modulating tip-focused cytoplasmic Ca2+ gradients.
TAIR Short Description  Protein kinase superfamily protein
TAIR Aliases  CAP1, ERU

1 Gene Rifs

1 Organism

11 Publications

0 Synonyms


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2 Child Features

1 Cross References

1 Downstream Intergenic Region

0 Located Features

1 Upstream Intergenic Region


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1 Proteins


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8 Data Sets