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Elemento genético (GENE)
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last updated: 02 sep. 2026
Información general
High leaf temperature protein kinase
EN
  • HT1
    EN
  • HvHT1
    EN
CS-ht1-HORVU
EN
Secuencia de codificación de proteínas
No
Organismo donante
ES
Características de la secuencia de codificación de la proteína
High leaf temperature protein kinase
EN
The HT1 protein-coding sequence encodes a Raf-like serine/threonine protein kinase associated with guard-cell CO₂ signalling. HT1 has been characterized principally in Arabidopsis thaliana, where it regulates stomatal opening and closure in response to changes in CO₂ concentration. Elevated CO₂ promotes interaction of MPK4/MPK12 with HT1 and inhibition of HT1 kinase activity, enabling activation of anion-channel signalling and stomatal closure. The corresponding barley protein is considered an HT1 homologue and is being investigated for its role in stomatal regulation, gas exchange and ozone uptake.
EN
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