Differentiation of 'Candidatus Phytoplasma cynodontis' Based on 16S rRNA and groEL Genes and Identification of a New Subgroup, 16SrXIV-C

'Candidatus Phytoplasma cynodontis' is widespread in bermudagrass and has only been found in monocotyledonous plants. Molecular studies carried out on strains collected in Italy, Serbia, and Albania enabled verification of molecular variability in the 16S ribosomal RNA (rRNA) gene. Based o...

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Veröffentlicht in:Plant disease. - 1997. - 99(2015), 11 vom: 09. Nov., Seite 1578-1583
1. Verfasser: Mitrović, J (VerfasserIn)
Weitere Verfasser: Smiljković, M, Seemüller, Erich, Reinhardt, Richard, Hüttel, Bruno, Büttner, Carmen, Bertaccini, Assunta, Kube, Michael, Duduk, Bojan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a 'Candidatus Phytoplasma cynodontis' is widespread in bermudagrass and has only been found in monocotyledonous plants. Molecular studies carried out on strains collected in Italy, Serbia, and Albania enabled verification of molecular variability in the 16S ribosomal RNA (rRNA) gene. Based on restriction fragment length polymorphism and sequence analyses, the strains from Serbia were clearly differentiated from all others and assigned to a new ribosomal DNA (rDNA) subgroup designated as 16SrXIV-C. A system for amplification of fragments containing the 'Ca. P. cynodontis' groEL gene was developed to enable study of its variability in related strains belonging to different 16SrXIV subgroups. Despite the fact that the groEL gene exhibited a greater sequence variation than 16S rRNA, the phylogenetic tree based on groEL gene sequence analysis was highly congruent with the 16S rDNA-based tree. The groEL gene analyses supported differentiation of the Serbian strains and definition of the new subgroup 16SrXIV-C. Phylogenetic analyses of both genes confirmed distinct phylogenetic lineages for strains belonging to 16SrXIV subgroups. Furthermore, groEL is the only nonribosomal marker developed for characterization of 'Ca. P. cynodontis' thus far, and its application in molecular surveys should provide better insight into the relationships among these phytoplasmas and correlation between strain differentiation and their geographical distribution 
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700 1 |a Smiljković, M  |e verfasserin  |4 aut 
700 1 |a Seemüller, Erich  |e verfasserin  |4 aut 
700 1 |a Reinhardt, Richard  |e verfasserin  |4 aut 
700 1 |a Hüttel, Bruno  |e verfasserin  |4 aut 
700 1 |a Büttner, Carmen  |e verfasserin  |4 aut 
700 1 |a Bertaccini, Assunta  |e verfasserin  |4 aut 
700 1 |a Kube, Michael  |e verfasserin  |4 aut 
700 1 |a Duduk, Bojan  |e verfasserin  |4 aut 
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