Abstract
In nature, bacteria can exist as single motile cells or as sessile cellular community, known as microbial biofilms. Bacteria within biofilms are embedded in a self-produced extracellular matrix that makes them more resistant to antibiotic treatment and responses of the host immune system. Microbial biofilms are very important in medicine since they are associated with several human diseases such as dental caries, periodontitis, otitis media, infective endocarditis, infectious kidney stones, osteomyelitis or prostatitis. In addition, biofilms formed on the surface of clinical devices such as pacemakers, implants and catheters are difficult to treat, which underlines the clinical relevance of biofilm formation. At the molecular level, the switch from the planktonic state to biofilm formation is regulated primarily by bis- (3'-5)-cyclic dimeric guanosine monophosphate (c-di-GMP). C-di-GMP performs its function by binding to a wide variety of proteins, but also to riboswitches. C-di-GMP riboswitches are RNA regulatory elements located in the 5′-untranslated regions (5′-UTRs) of RNA messengers (mRNA) from genes involved in virulence, motility and biofilm formation, which are regulated by changes in the intracellular concentration of c-di-GMP. This review discusses the role of c-di-GMP responsive riboswitches as potential targets for the design of anti-biofilm agents.
Keywords: Riboswitch, Bacterial biofilms, c-di-GMP, Biofilm inhibition, c-di-GMP analogs, Aptamer.
Current Topics in Medicinal Chemistry
Title:Riboswitches as Potential Targets for the Development of Anti-Biofilm Drugs
Volume: 17 Issue: 17
Author(s): Jose A. Reyes-Darias and Tino Krell *
Affiliation:
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, Granada,Spain
Keywords: Riboswitch, Bacterial biofilms, c-di-GMP, Biofilm inhibition, c-di-GMP analogs, Aptamer.
Abstract: In nature, bacteria can exist as single motile cells or as sessile cellular community, known as microbial biofilms. Bacteria within biofilms are embedded in a self-produced extracellular matrix that makes them more resistant to antibiotic treatment and responses of the host immune system. Microbial biofilms are very important in medicine since they are associated with several human diseases such as dental caries, periodontitis, otitis media, infective endocarditis, infectious kidney stones, osteomyelitis or prostatitis. In addition, biofilms formed on the surface of clinical devices such as pacemakers, implants and catheters are difficult to treat, which underlines the clinical relevance of biofilm formation. At the molecular level, the switch from the planktonic state to biofilm formation is regulated primarily by bis- (3'-5)-cyclic dimeric guanosine monophosphate (c-di-GMP). C-di-GMP performs its function by binding to a wide variety of proteins, but also to riboswitches. C-di-GMP riboswitches are RNA regulatory elements located in the 5′-untranslated regions (5′-UTRs) of RNA messengers (mRNA) from genes involved in virulence, motility and biofilm formation, which are regulated by changes in the intracellular concentration of c-di-GMP. This review discusses the role of c-di-GMP responsive riboswitches as potential targets for the design of anti-biofilm agents.
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Cite this article as:
Reyes-Darias A. Jose and Krell Tino *, Riboswitches as Potential Targets for the Development of Anti-Biofilm Drugs, Current Topics in Medicinal Chemistry 2017; 17 (17) . https://dx.doi.org/10.2174/1568026617666170407163517
DOI https://dx.doi.org/10.2174/1568026617666170407163517 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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