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Characterization of human Escherichia coli isolate DP51 using whole genome sequencing
Yanhong Liu1, Siddhartha Kanrar1, Yiping He1
1Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, Wyndmoor, Pennsylvania, USA.
Microbiology Resource Announcements
|July 31, 2025
Summary
The whole genome sequence of Escherichia coli strain DP51 was determined. This presumptive extraintestinal pathogenic E. coli (ExPEC) strain possesses 34 virulence genes, offering insights into pathogenic mechanisms.
Area of Science:
- Microbiology
- Genomics
- Pathogen research
Background:
- Extraintestinal pathogenic Escherichia coli (ExPEC) are a significant cause of human infections.
- Understanding the genomic basis of ExPEC pathogenicity is crucial for developing targeted interventions.
Purpose of the Study:
- To report the whole genome sequence of Escherichia coli strain DP51.
- To identify virulence factors contributing to the pathogenic potential of strain DP51.
Main Methods:
- Whole genome sequencing of Escherichia coli strain DP51.
- Bioinformatic analysis to identify genes and genomic features.
Main Results:
- The genome size of strain DP51 is 4.7 Mb with a GC content of 50.68%.
- Strain DP51 harbors 34 genes associated with extraintestinal virulence.
- Strain DP51 is identified as a presumptive ExPEC.
Conclusions:
- The genome sequence provides a valuable resource for studying ExPEC.
- The identified virulence genes suggest a pathogenic potential for strain DP51 in extraintestinal infections.
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