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Genetic element
(GENE)
last updated: 23 Jun 2026
HT1
EN
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Hv_ht1EN
CS-ht1-HORVU
EN
Protein coding sequence
No
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BCH-ORGA-SCBD-12098-4 Organism Arabidopsis thaliana (Thale cress, Mouse-ear cress, Arabidopsis, ARATH)Plants
EN
High leaf temperature protein 1
EN
The High leaf temperature protein 1 is a serine/threonine/tyrosine protein kinase involved in stomatal movement. HT1 functions in guard-cell carbon dioxide signaling and is required for normal stomatal responses to changes in CO2 concentration. The protein contains a kinase catalytic domain and transfers phosphate from ATP to target proteins.
EN
Loss-of-function ht1 mutants show impaired CO2-dependent stomatal movement regulation while retaining responses to blue light, fusicoccin and abscisic acid.
