Genome Sequence of Fusobacterium nucleatum Subspecies Polymorphum
Author Information
Author(s): Karpathy Sandor E., Qin Xiang, Gioia Jason, Jiang Huaiyang, Liu Yamei, Petrosino Joseph F., Yerrapragada Shailaja, Fox George E., Haake Susan Kinder, Weinstock George M., Highlander Sarah K.
Primary Institution: Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas, United States of America
Hypothesis
The genomic analysis of Fusobacterium nucleatum subspecies polymorphum will reveal unique genetic features and horizontal gene transfer events.
Conclusion
The genome of Fusobacterium nucleatum subspecies polymorphum shows significant horizontal gene transfer from Firmicutes, particularly Clostridia.
Supporting Evidence
- Fusobacterium nucleatum is a common cause of human infections.
- The genome contains unique genes not found in other fusobacterial strains.
- Horizontal gene transfer with Clostridia is evident in the genome.
- F. nucleatum subsp. polymorphum is amenable to gene transfer.
- Unique proteins related to DNA modification were identified.
- Prophage and transposon sequences were found in the genome.
- F. nucleatum plays a significant role in oral biofilm formation.
Takeaway
Scientists studied the DNA of a bacteria called Fusobacterium nucleatum and found that it can share genes with other bacteria, which helps it survive and cause infections.
Methodology
The genome was sequenced and annotated, and comparisons were made with other fusobacterial genomes to identify unique open reading frames.
Limitations
The study may not account for all genetic variations present in other strains of Fusobacterium nucleatum.
Digital Object Identifier (DOI)
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