Draft genome sequence of multidrug-resistant Escherichia coli strain ASK-30 from wastewater in northern India

Shilippreet Kour1, Shilpa Sharma1, Achhada Ujalkaur Avatsingh1

  • 1Department of Microbiology, Akal College of Basic Sciences, Eternal University, Baru Sahib, Himachal Pradesh, India.

Insights

A multidrug-resistant Escherichia coli strain was sequenced from Indian wastewater. The genome analysis revealed key antibiotic resistance genes, including blaCTX-M-15 and blaTEM-1.

Area of Science:

  • Microbiology
  • Genomics
  • Environmental Science

Background:

  • Wastewater serves as a reservoir for antibiotic-resistant bacteria.
  • Emergence of multidrug-resistant (MDR) pathogens poses a significant public health threat.
  • Understanding the genetic basis of MDR is crucial for effective control strategies.

Purpose of the Study:

  • To perform draft genome sequencing of a multidrug-resistant Escherichia coli strain (ASK-30).
  • To identify antibiotic resistance genes within the sequenced genome.
  • To contribute genomic data on MDR bacteria from wastewater in India.

Main Methods:

  • Isolation and identification of Escherichia coli strain ASK-30 from wastewater.
  • Whole-genome sequencing (WGS) of the isolate.
  • Bioinformatic analysis to identify antimicrobial resistance (AMR) genes.

Main Results:

  • The draft genome sequence of Escherichia coli ASK-30 was successfully obtained.
  • The genome harbors significant antibiotic resistance genes, including blaCTX-M-15 and blaTEM-1.
  • The presence of these genes indicates resistance to critical antibiotic classes.

Conclusions:

  • The genomic data provides insights into the genetic makeup of MDR E. coli in Indian wastewater.
  • The identified resistance genes highlight the potential for spread of antimicrobial resistance (AMR).
  • This study underscores the importance of wastewater surveillance for monitoring MDR bacteria.