Lack of Evidence for an Association between Iridovirus and Colony Collapse Disorder
2011

No Association between Iridovirus and Colony Collapse Disorder

Sample size: 163 publication 10 minutes Evidence: high

Author Information

Author(s): Tokarz Rafal, Firth Cadhla, Street Craig, Cox-Foster Diana L., Lipkin W. Ian

Primary Institution: Center for Infection and Immunity, Mailman School of Public Health, Columbia University

Hypothesis

Is there a link between Iridovirus and Colony Collapse Disorder (CCD) in honey bees?

Conclusion

The study found no evidence to support a connection between Iridovirus and Colony Collapse Disorder in honey bees.

Supporting Evidence

  • All 163 bees tested negative for Iridovirus.
  • Previous studies suggested a link between Iridovirus and CCD, but this study found no supporting evidence.
  • PCR assays were optimized to detect low levels of viral DNA, yet none were found.

Takeaway

The researchers looked for a virus in sick honey bees but didn't find any, suggesting it might not be the cause of their problems.

Methodology

The study surveyed 163 bees from 35 colonies for Iridovirus presence using PCR assays and reanalyzed metagenomic data from previous studies.

Limitations

The study was limited by the lack of available Iridovirus sequences and the possibility of very low concentrations of the virus.

Participant Demographics

Bees were collected from 35 colonies across nine commercial apiaries in the United States and Israel.

Digital Object Identifier (DOI)

10.1371/journal.pone.0021844

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