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Characterization of a ‘Bacteroidetes’ symbiont in Encarsia wasps (Hymenoptera: Aphelinidae): proposal of ‘Candidatus Cardinium hertigii’

Citation
Zchori-Fein et al. (2004). International Journal of Systematic and Evolutionary Microbiology 54 (3)
Names
“Cardinium hertigii” Ca. Cardinium hertigii
Abstract
Previously, analysis of 16S rDNA sequences placed a newly discovered lineage of bacterial symbionts of arthropods in the ‘Bacteroidetes’. This symbiont lineage is associated with a number of diverse host reproductive manipulations, including induction of parthenogenesis in severalEncarsiaparasitoid wasps (Hymenoptera: Aphelinidae). In this study, electron microscopy and phylogenetic analysis of the 16S rRNA andgyrBgenes of symbionts fromEncarsia hispidaandEncarsia pergandiellaare used to describ

Classification of phytoplasma strains in the elm yellows group (16SrV) and proposal of ‘Candidatus Phytoplasma ulmi’ for the phytoplasma associated with elm yellows

Citation
Lee et al. (2004). International Journal of Systematic and Evolutionary Microbiology 54 (2)
Names
Ca. Phytoplasma ulmi
Abstract
Elm yellows group (16SrV) phytoplasmas, which are associated with devastating diseases in elm, grapevine, blackberry, cherry, peach and several other plant species in America, Europe and Asia, represent one of the most diverse phytoplasma clusters. On the basis of phylogenetic analysis of 16S rDNA sequences, elm yellows group phytoplasmas form a discrete subclade within the phytoplasma clade. Three phylogenetic parameters, namely 16S rRNA, ribosomal protein and secY genes, have been evaluated fo

‘Candidatus Rhabdochlamydia porcellionis’, an intracellular bacterium from the hepatopancreas of the terrestrial isopod Porcellio scaber (Crustacea: Isopoda)

Citation
Kostanjsek et al. (2004). International Journal of Systematic and Evolutionary Microbiology 54 (2)
Names
“Rhabdochlamydia” Ca. Rhabdochlamydia porcellionis
Abstract
Intracellular bacteria were observed in the hepatopancreas of the terrestrial isopod Porcellio scaber. Comparative 16S rRNA gene sequence analysis and electron microscopic observations were used to determine the taxonomic position of these intracellular bacteria. Phylogenetic analysis and a complex developmental cycle affiliate these bacteria to the order Chlamydiales, within which they form a distinctive lineage, close to the family Simkaniaceae. They share <92 % 16S rRNA gene sequence simil