CR1 clade of non-LTR retrotransposons from Maculinea butterflies (Lepidoptera: Lycaenidae): evidence for recent horizontal transmission
2007

Horizontal Transmission of Non-LTR Retrotransposons in Maculinea Butterflies

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): Olga Novikova, Ewa Śliwińska, Victor Fet, Josef Settele, Alexander Blinov, Michal Woyciechowski

Hypothesis

Is horizontal transmission of non-LTR retrotransposons common in Maculinea butterflies?

Conclusion

The study provides evidence for horizontal transmission of non-LTR retrotransposons between Maculinea butterflies and Bombyx mori.

Supporting Evidence

  • The study identified multiple lineages of CR1-like retrotransposons in Maculinea butterflies.
  • High similarity was found between CR1B elements in Maculinea and Bombyx mori.
  • Evidence suggests that CR1B elements were horizontally transferred from Bombycidae to Maculinea.

Takeaway

This study found that some genetic elements in butterflies can jump from one species to another, which is pretty rare for these types of genes.

Methodology

PCR screening and comparative analysis of non-LTR retrotransposons from four Maculinea butterfly species.

Limitations

The study is limited to a small number of butterfly species and may not represent the entire diversity of non-LTR retrotransposons in Lepidoptera.

Participant Demographics

Four species of Maculinea butterflies were studied.

Digital Object Identifier (DOI)

10.1186/1471-2148-7-93

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