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Small non-coding RNA in Streptococci: From regulatory functions to drug development.

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Streptococci are a genus of gram-positive coccus of spherical bacteria including many commensal bacteria and opportunistic pathogens that threaten the public health system. Small non-coding RNAs (sRNAs) are a class… Click to show full abstract

Streptococci are a genus of gram-positive coccus of spherical bacteria including many commensal bacteria and opportunistic pathogens that threaten the public health system. Small non-coding RNAs (sRNAs) are a class of non-coding RNAs regulating gene expression via various regulatory mechanisms, which have been illustrated to play vital roles in regulations of virulence factor expressions. Recent advances in sequencing technology and bioinformatic analysis facilitated discovery of a myriad of sRNAs from pathogenic bacteria, revealing a variety of unique features that contribute to gene expressions and virulence regulations. Although various research has reported the regulatory functions of sRNAs in virulence of bacterial species of the genus Streptococci, the common features of sRNAs in the pathogenesis of Streptococci remain unclear. This blocks the development of novel anti-streptococcal antibiotics and anti-bacterial strategies. Here, we summarize the fundamental roles of Streptococcal sRNAs in pathogenic regulations, which advance mechanistic understanding of streptococcal infection associated diseases. Moreover, we discuss the prospects of sRNA acting as drug targets to combat bacterial antibiotic resistance. This article is protected by copyright. All rights reserved.

Keywords: development; regulatory functions; drug; small non; non coding

Journal Title: Molecular oral microbiology
Year Published: 2023

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