Evidence for the establishment of aphid-eubacterium endosymbiosis in an ancestor of four aphid families

Abstract

Aphids (superfamily Aphidoidea) contain eubacterial endosymbionts localized within specialized cells (mycetocytes). The endosymbionts are essential for the survival of the aphid hosts. Sequence analyses of the 16S rRNAs from endosymbionts of 11 aphid species from seven tribes and four families have indicated that the endosymbionts are monophyletic. Furthermore, phylogenetic relationships within the symbiont clade parallel the relationships of the corresponding aphid hosts. Our findings suggest that this endocytobiotic association was established in a common ancestor of the four aphid families with subsequent diversification into the present species of aphids and their endosymbionts.

Keywords

BiologyAphidBuchneraEndosymbiosisPhylogenetic treeMonophylyCladeMost recent common ancestorAncestorPhylogeneticsSymbiosisBotanyEvolutionary biologyZoologyGeneticsGeneBacteria

Affiliated Institutions

University of California, Davis US

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Publication Info

Year: 1991
Type: article
Volume: 173
Issue: 20
Pages: 6321-6324
Citations: 267
Access: Closed

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APA Style

                            
                                
                                    Mark A. Munson, 
                                
                                    Philipp Baumann, 
                                
                                    Marta A. Clark
                                
                                et al.
                            
                            (1991). 
                            Evidence for the establishment of aphid-eubacterium endosymbiosis in an ancestor of four aphid families. 
                            Journal of Bacteriology
                            , 173
                            (20)
                            , 6321-6324.
                            https://doi.org/10.1128/jb.173.20.6321-6324.1991
                        

Identifiers

DOI: 10.1128/jb.173.20.6321-6324.1991