Whole-genome in-silico subtractive hybridization (WISH) - using massive sequencing for the identification of unique and repetitive sex-specific sequences: the example of Schistosoma mansoni
2010

Identifying Sex-Specific Sequences in Schistosoma mansoni

Sample size: 114 publication Evidence: moderate

Author Information

Author(s): Julien Portela, Christoph Grunau, Céline Cosseau, Sophie Beltran, Christelle Dantec, Hugues Parrinello, Jérôme Boissier

Primary Institution: Université de Perpignan, Perpignan, France

Hypothesis

Can a novel method identify sex-specific sequences in Schistosoma mansoni using whole-genome sequencing?

Conclusion

The WISH method effectively identifies unique and repetitive sex-specific sequences in Schistosoma mansoni.

Supporting Evidence

  • The WISH method identified 180 female-specific contigs and seven repeats.
  • The majority of W-specific sequences are repeats, comprising about 2.5% of the genome.
  • PCR confirmed the presence of female-specific sequences in both larval and adult stages.

Takeaway

Scientists found a way to tell the difference between male and female Schistosoma mansoni by looking at their DNA. This helps in understanding how these parasites work.

Methodology

The study used whole-genome sequencing and bioinformatics analysis to compare male and female Schistosoma mansoni genomes.

Limitations

The method requires prior knowledge of the genome and may not be applicable to all species.

Participant Demographics

The study involved 23 male and 91 female adult Schistosoma mansoni flukes.

Digital Object Identifier (DOI)

10.1186/1471-2164-11-387

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