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Literature summary for 2.7.13.3 extracted from

  • Murata, N.; Los, D.A.
    Histidine kinase Hik33 is an important participant in cold-signal transduction in cyanobacteria (2006), Physiol. Plant., 126, 17-27.
No PubMed abstract available

Application

Application Comment Organism
additional information 44 genes for Hiks on the chromosome, Hik34 might act as a negative regulator of the expression of heat-shock genes during normal growth. Hik33 is a cold sensor, participates in the positive regulation of the expression of more than 60% of the cold-inducible genes, is also involved in the perception of hyperosmotic stress and salt stress and transduction of the signals, findings cannot be explained by the current model of two-component systems Synechocystis sp.

Protein Variants

Protein Variants Comment Organism
additional information inactivation of each putative hik gene, no significant alterations in gene expression in most of the mutants. DeltaHik33 and deltaHik19 exhibit reduced ability to activate luciferase at low temperature. Deltahik27, deltahik34, and deltahik20 show enhanced expression of some genes, whereas others are repressed. In deltaHik34 cells, levels of transcripts of heat-shock genes are elevated. In deltaHik33-, deltaHik34-, deltaHik16-, and deltaHik41-mutant cells gene expression is significantly affected by elevated levels of NaCl Synechocystis sp.

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane Hik33 perceives the cold signal via rigidification of membrane lipids Synechocystis sp. 16020
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Organism

Organism UniProt Comment Textmining
Synechocystis sp.
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strain PCC 6803
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Synonyms

Synonyms Comment Organism
Hik1-44
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Synechocystis sp.
Hik33
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Synechocystis sp.
histidine kinase
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Synechocystis sp.