Activation of Cryptic Antibiotic Biosynthetic Gene Clusters Guided by RNA-seq Data from Both and ΔwblA

Overview

Journal Antibiotics (Basel)

Specialty Pharmacology

Date 2021 Sep 28

PMID 34572679

Citations 6

Authors

Yue Li

Haiying Yu

Hanye Guan

Jingjing Li

Jihui Zhang

Hua Xiang

Jine Li

Huarong Tan

Affiliations

Soon will be listed here.

Abstract

With the increase of drug resistance caused by the improper use and abuse of antibiotics, human beings are facing a global health crisis. Sequencing of genomes revealed the presence of an important reservoir of secondary metabolic gene clusters for previously unsuspected products with potentially valuable bioactivity. It has therefore become necessary to activate these cryptic pathways through various strategies. Here, we used RNA-seq data to perform a comparative transcriptome analysis of (wild-type, WT) and its global regulatory gene disruption mutant ΔwblA, in which some differentially expressed genes are associated with the abolished nikkomycin biosynthesis and activated tylosin analogue compounds (TACs) production, and also with the oviedomycin production that is induced by the genetic manipulation of two differentially expressed genes ( and ) encoding RsbR. These results provide a significant clue for the discovery of new drug candidates and the activation of cryptic biosynthetic gene clusters.

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