alexa Gene expression of protein-coding and non-coding RNAs related to polyembryogenesis in the parasitic wasp, Copidosoma floridanum.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Current Synthetic and Systems Biology

Author(s): Inoue H, Yoshimura J, Iwabuchi K

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Abstract Polyembryony is a unique form of development in which many embryos are clonally produced from a single egg. Polyembryony is known to occur in many animals, but the underlying genetic mechanism responsible is unknown. In a parasitic wasp, Copidosoma floridanum, polyembryogenesis is initiated during the formation and division of the morula. In the present study, cDNA libraries were constructed from embryos at the cleavage and subsequent primary morula stages, times when polyembryogenesis is likely to be controlled genetically. Of 182 and 263 cDNA clones isolated from these embryos, 38\% and 70\%, respectively, were very similar to protein-coding genes obtained from BLAST analysis and 55 and 65 clones, respectively, were stage-specific. In our libraries we also detected a high frequency of long non-coding RNA. Some of these showed stage-specific expression patterns in reverse transcription quantitative polymerase chain reaction (RT-qPCR) analysis. The stage-specificity of expression implies that these protein-coding and non-coding genes are related to polyembryogenesis in C. floridanum. The non-coding genes are not similar to any known non-coding RNAs and so are good candidates as regulators of polyembryogenesis.
This article was published in PLoS One and referenced in Current Synthetic and Systems Biology

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