Drosophila parasitoid wasps bears a distinct DNA transposon profile

Mobile DNA
Alexandre Freitas da SilvaGabriel Luz Wallau

Abstract

The majority of Eukaryotic genomes are composed of a small portion of stable (non-mobile) genes and a large fraction of parasitic mobile elements such as transposable elements and endogenous viruses: the Mobilome. Such important component of many genomes are normally underscored in genomic analysis and detailed characterized mobilomes only exists for model species. In this study, we used a combination of de novo and homology approaches to characterize the Mobilome of two non-model parasitoid wasp species. The different methodologies employed for TE characterization recovered TEs with different features as TE consensus number and size. Moreover, some TEs were detected only by one or few methodologies. RepeatExplorer and dnaPipeTE estimated a low TE content of 5.86 and 4.57% for Braconidae wasp and 5.22% and 7.42% for L. boulardi species, respectively. Both mobilomes are composed by a miscellaneous of ancient and recent elements. Braconidae wasps presented a large diversity of Maverick/Polintons Class II TEs while other TE superfamilies were more equally diverse in both species. Phylogenetic analysis of reconstructed elements showed that vertical transfer is the main mode of transmission. Different methodologies should be used co...Continue Reading

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Citations

May 24, 2019·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Pedro M FonsecaElgion L S Loreto

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Software Mentioned

CD
BLASTn
CAP3
MAFFT
dnaPipeTE
RepeatScout
BLASTp
Helitron
RepeatExplorer
RepeatExplorer ( RE )

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