Journal
GENES & DISEASES
Volume 10, Issue 5, Pages 2049-2063Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.gendis.2022.09.009
Keywords
Crosstalk; Pseudomonas aeruginosa; Regulatory network; Transcriptional regulators; Virulence
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In Pseudomonas aeruginosa, transcription factors play a crucial role in the genetic regulation of adaptability and pathogenicity. Several techniques have been used to identify TF binding sites on the P. aeruginosa genome, and an atlas of TF binding patterns has been created. This review summarizes recent literature on TF regulatory networks involved in various processes, including quorum sensing, biofilm formation, pyocyanin synthesis, motility, secretion systems, and oxidative stress responses. Insights from the global regulatory network of transcriptional regulators could inform strategies for preventing clinical infections caused by P. aeruginosa.
In Pseudomonas aeruginosa (P. aeruginosa), transcription factors (TFs) are important mediators in the genetic regulation of adaptability and pathogenicity to respond to multiple environmental stresses and host defences. The P. aeruginosa genome harbours 371 putative TFs; of these, about 70 have been shown to regulate virulence-associated phenotypes by binding to the promoters of their target genes. Over the past three decades, several techniques have been applied to identify TF binding sites on the P. aeruginosa genome, and an atlas of TF binding patterns has been mapped. The virulence-associated regulons of TFs show complex crosstalk in P. aeruginosa's regulatory network. In this review, we summarise the recent literature on TF regulatory networks involved in the quorum-sensing system, biofilm formation, pyocyanin synthesis, motility, the type III secretion system, the type VI secretion system, and oxidative stress responses. We discuss future perspectives that could provide insights and targets for preventing clinical infections caused by P. aeruginosa based on the global regulatory network of transcriptional regulators. 2022 The Authors. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons. org/licenses/by-nc-nd/4.0/).
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