ArticleMicrobial cell factories2021
The cssR gene of Corynebacterium glutamicum plays a negative regulatory role in stress responses.
Article in Microbial cell factories, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Regulation of Aromatic Compounds and Environmental Stimuli Response by the MarR Family Regulator AesR inMicroorganisms · 2026Article
- Functional Identification of AcsR, a MarR Family Transcriptional Regulator Involved in the Regulation of Aromatic Compound-Degrading Genes inMicroorganisms · 2026Article
- The role of the transcriptional repressor CssR inHeliyon · 2024Article
- The TetR-type regulator AtsR is involved in multidrug response in Corynebacterium glutamicum.Microbial cell factories · 2022Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundCssR, the product of the Corynebacterium glutamicum ncgl1578 gene cotranscribed with ncgl1579, is a TetR (tetracycline regulator) family repressor. Although many TetR-type regulators in C. glutamicum have been extensively described, members of the TetR family involved in the stress response remain unidentified.
resultsIn this study, we found that CssR regulated the transcription of its own gene and the ncgl1576-ncgl1577 operon. The ncgl1576-ncgl1577 operon, which is located upstream of cssR in the orientation opposite that of the cssR operon, encodes an ATP-binding cassette (ABC), some of which are involved in the export of a wide range of antimicrobial compounds. The cssR-deletion (ΔcssR) mutant displayed increased resistance to various stresses. An imperfect palindromic motif (5'-TAA(G)TGN
conclusionThe stress response mechanism of CssR in C. glutamicum is realized via ligand-induced conformational changes of the protein, not via cysteine oxidation-based thiol modification. Moreover, the crucial role of CssR in the stress response was demonstrated by negatively controlling the expression of the ncgl1576-ncgl1577 operon, its structural gene, and/or redox homeostasis-related genes.
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