Jul 15, 2016

Comparative phylogenetic analysis of bacterial associates in Pyrrhocoroidea and evidence for ancient and persistent environmental symbiont reacquisition in Largidae (Hemiptera: Heteroptera).

BioRxiv : the Preprint Server for Biology
Eric Robert Lucien GordonChristiane Weirauch

Abstract

The ancient insect order Hemiptera, one of the most well-studied insect lineages with respect to bacterial symbioses, still contains major branches which lack robust phylogenies and comprehensive characterization of associated bacterial symbionts. The Pyrrhocoroidea (Largidae [220 species]; Pyrrhocoridae [~300 species]) is a superfamily of the primarily-herbivorous hemipteran infraorder Pentatomomorpha, though relationships to related superfamilies are controversial. Studies on bacterial symbionts of this group have focused on members of Pyrrhocoridae, but recent examination of species of two genera of Largidae demonstrated divergent symbiotic complexes between these putative sister families. We surveyed bacterial diversity of this group using paired-end Illumina and targeted Sanger sequencing of bacterial 16S amplicons of 30 pyrrhocoroid taxa, including 17 species of Largidae, in order to determine the identity of bacterial associates and similarity of associated microbial communities among species. We also constructed the first comprehensive phylogeny of this superfamily (4,800 bp; 5 loci; 57 ingroup + 12 outgroup taxa) in order accurately trace the evolution of symbiotic complexes among Pentatomomorpha. We undertook multiple...Continue Reading

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Mentioned in this Paper

Study
Complex (molecular entity)
Environment
Pyrrhocoroidea
Phylogenetic Analysis
Evaluation
Pyrrhocoridae
Burkholderia
IFI6 protein, human
Hemiptera

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