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2017 ; 2
(10
): 7400-7409
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Antibiotic Resistance: Current Perspectives
#MMPMID30023551
Petchiappan A
; Chatterji D
ACS Omega
2017[Oct]; 2
(10
): 7400-7409
PMID30023551
show ga
Antibiotic resistance is one of the most serious challenges that the world is
currently facing. The number of people succumbing to drug-resistant infections is
increasing every day, but the rate of drug discovery has failed to match the
requisite demands. Most of the currently known antibiotics target the three
essential pathways of central dogma. However, bacteria have evolved multiple
mechanisms to survive these antibiotics. Consequently, there is an urgent
necessity to target auxiliary pathways for the discovery of new drugs.
Metabolism-related and stress-associated pathways are ideal in this regard. The
stringent response pathway regulated by the signaling nucleotides (p)ppGpp is an
attractive target as inhibition of the pathway would in turn decrease the
persistence and long-term survival of pathogenic bacteria. In this perspective,
we focus on the recent design of small molecule analogues of (p)ppGpp that have
yielded promising results in terms of growth and biofilm inhibition.
Additionally, we discuss how targeting small RNAs and riboswitches, as well as
antimicrobial peptides, would help combat drug-resistant infections in the near
future.