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Genetic and Electron-Microscopic Characterization of ‘Rickettsiella agriotidis’, a new Rickettsiella Pathotype Associated with Wireworm, Agriotes sp. (Coleoptera: Elateridae)

GND
1175524018
Affiliation
Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Biological Control, Darmstadt, Germany ; Technische Universität Darmstadt, Institut für Mikrobiologie und Genetik, Schnittspahnstraße 10, 64287 Darmstadt, Germany
Leclerque, Andreas;
GND
1059093685
Affiliation
Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Biological Control, Darmstadt, Germany
Kleespies, Regina G.;
Affiliation
State Institute for Agriculture and Fishing Research Mecklenburg-West Pomerania (LFA), Centre for Field Vegetable Production (GKZ), Dorfplatz 1, 18276 Gülzow, Germany
Ritter, Claudia;
GND
1029424772
Affiliation
Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Biological Control, Darmstadt, Germany
Schuster, Christina;
GND
1173712496
Affiliation
Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Biological Control, Darmstadt, Germany ; State Institute for Agriculture and Fishing Research Mecklenburg-West Pomerania (LFA), Centre for Field Vegetable Production (GKZ), Dorfplatz 1, 18276 Gülzow, Germany
Feiertag, Simon

Wireworms, the polyphagous larvae of click beetles belonging to the genus Agriotes (Coleoptera: Elateridae), are severe and widespread agricultural pests affecting numerous crops. A previously unknown intracellular bacterium has been identified in a diseased Agriotes larva. Microscopic studies revealed the subcellular structures characteristic of Rickettsiella infections. Molecular phylogenetic analysis based on 16S ribosomal RNA and signal recognition particle receptor (FtsY) encoding sequences demonstrates that the wireworm pathogen belongs to the taxonomic genus Rickettsiella.Therefore, the new pathotype designation ‘R. agriotidis’ is proposed to refer to this organism. Moreover, genetic analysis makes it likely that—on the basis of the currentlyaccepted organization of the genus Rickettsiella—this new pathotype should be considered a synonym of the nomenclatural type species, Rickettsiella popilliae.

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