Genomic Survey of Enterocytozoon bieneusi
Author Information
Author(s): Akiyoshi Donna E., Morrison Hilary G., Lei Shi, Feng Xiaochuan, Zhang Quanshun, Corradi Nicolas, Mayanja Harriet, Tumwine James K., Keeling Patrick J., Weiss Louis M., Tzipori Saul
Primary Institution: Tufts Cummings School of Veterinary Medicine
Hypothesis
What is the genomic structure and organization of the non-cultivatable pathogen Enterocytozoon bieneusi?
Conclusion
The study provides the first large-scale genomic dataset for Enterocytozoon bieneusi, revealing traits of extreme genome reduction and host dependence.
Supporting Evidence
- Approximately 3.86 Mb of unique sequence was generated, representing about 64% of the estimated 6 Mb genome.
- A total of 3,804 genes were identified in E. bieneusi, with 1,702 encoding proteins with assigned functions.
- Only one E. bieneusi protein with assigned function had no E. cuniculi homolog.
- The genome showed traits consistent with genomic compaction, including high gene density and short intergenic regions.
Takeaway
Scientists studied a tiny germ that makes people sick, and they found out a lot about its genes, which helps us understand how it lives and how to fight it.
Methodology
The genome was sequenced using paired-end Sanger sequencing from purified spores obtained from an infected human.
Potential Biases
Potential bias due to the reliance on a single infected human for genomic data.
Limitations
The genome sequence is incomplete, and the study may not capture all genes due to sampling bias.
Participant Demographics
An adult HIV/AIDS patient with chronic watery diarrhea.
Digital Object Identifier (DOI)
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