Absence of Wolbachia endobacteria in the non-filariid nematodes Angiostrongylus cantonensis and A. costaricensis
2008

Wolbachia Absence in Angiostrongylus Nematodes

publication Evidence: high

Author Information

Author(s): Foster Jeremy M, Kumar Sanjay, Ford Louise, Johnston Kelly L, Ben Renata, Graeff-Teixeira Carlos, Taylor Mark J

Primary Institution: Parasitology Division, New England Biolabs

Hypothesis

Is Wolbachia present in the non-filariid nematodes Angiostrongylus cantonensis and A. costaricensis?

Conclusion

The study found no evidence of Wolbachia in Angiostrongylus cantonensis and A. costaricensis.

Supporting Evidence

  • Wolbachia are typically found in many filarial nematodes but were not detected in the studied species.
  • Previous reports of Wolbachia in A. cantonensis were likely due to contamination.
  • Phylogenetic analyses indicated that the sequences attributed to Wolbachia were closely related to those from arthropods.

Takeaway

The researchers looked for a tiny bacteria called Wolbachia in two types of worms but couldn't find it, suggesting these worms don't have it.

Methodology

PCR and immunohistochemistry were used to screen for Wolbachia in the nematodes.

Limitations

The study could not rule out the possibility of Wolbachia being present in other populations of A. cantonensis.

Digital Object Identifier (DOI)

10.1186/1756-3305-1-31

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