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Signal transduction is a tightly regulated process by which cells sense and transmit extracellular signals into specific responses. It is a vital function that enables microorganisms to recognize changes in their environment. A complex array of numerous interacting components has been shown to be involved in signal transduction network. With the availability of complete information for entire genomes and the use of various transcriptomics and proteomics tools, considerable knowledge has accumulated with regard to stress-sensing mechanisms. In particular, genes that are regulated by stressors have been comprehensively documented in model and extremophilic cyanobacteria. In this chapter, we will give an overview of the current knowledge regarding signal transduction systems, signaling molecules, mechanisms responsible for salt-stress sensing, and activation of salt-stress responses in model and halophilic cyanobacteria.

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Key Molecular Mechanisms that Facilitate Halotolerance in Cyanobacteria: Salt Stress Signal Transduction in Cyanobacteria

  • 章节

  • 发表日期：

    2025年

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  • Rungaroon Waditee-Sirisattha,
  • Hakuto Kageyama

摘要

Signal transduction is a tightly regulated process by which cells sense and transmit extracellular signals into specific responses. It is a vital function that enables microorganisms to recognize changes in their environment. A complex array of numerous interacting components has been shown to be involved in signal transduction network. With the availability of complete information for entire genomes and the use of various transcriptomics and proteomics tools, considerable knowledge has accumulated with regard to stress-sensing mechanisms. In particular, genes that are regulated by stressors have been comprehensively documented in model and extremophilic cyanobacteria. In this chapter, we will give an overview of the current knowledge regarding signal transduction systems, signaling molecules, mechanisms responsible for salt-stress sensing, and activation of salt-stress responses in model and halophilic cyanobacteria.