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Draft Genome Sequences of Five Historical Bacillus anthracis Strains
Daniel D Sommer1, Shashikala Ratnayake1, Diana Radune1
1National Biodefense Analysis and Countermeasures Center, Fort Detrick, Maryland, USA.
Microbiology Resource Announcements
|January 4, 2020
Summary
Researchers sequenced the genomes of five historical Bacillus anthracis strains. This provides insights into the anthrax bacterium
Area of Science:
- Microbiology
- Genomics
- Infectious Diseases
Background:
- Bacillus anthracis causes anthrax, a significant zoonotic disease affecting livestock, wildlife, and humans.
- Historical strains of B. anthracis are valuable for understanding pathogen evolution and epidemiology.
Purpose of the Study:
- To generate draft genome sequences of five historical Bacillus anthracis strains.
- To enable comparative genomic studies and phylogenetic analyses of B. anthracis.
Main Methods:
- DNA extraction from long-term lyophilized samples.
- Whole-genome sequencing using next-generation sequencing technologies.
- Bioinformatic analysis for genome assembly and annotation.
Main Results:
- Successfully obtained draft genome sequences for five historical B. anthracis strains.
- Characterized genetic variations among these historical isolates.
- Established a genomic resource for future research on anthrax.
Conclusions:
- The genome sequences of these historical strains offer a valuable resource for studying Bacillus anthracis evolution.
- Long-term preservation methods like lyophilization are effective for maintaining bacterial DNA integrity for genomic analysis.
- This work facilitates deeper understanding of the anthrax pathogen's genetic diversity and history.
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