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Genetic element
(GENE)
last updated: 02 Sep 2026
High leaf temperature protein kinase
EN
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HT1EN
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HvHT1EN
CS-ht1-HORVU
EN
Protein coding sequence
No
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BCH-ORGA-SCBD-12110-5 Organism Hordeum vulgare (Barley, HORVU)Crops
EN
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
EN
| Record type | Field | Record(s) | |
|---|---|---|---|
| Living Modified Organism | Introduced or modified genetic element(s) | 2 | |
