Reclassification of aster yellows group phytoplasmas in Korea |
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| Authors: | Nang Kyu Kyu Win Young-Hye Lee Young-Hwan Kim Chang-Gi Back Heewon Chung Hee-Young Jung |
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| Institution: | 1. School of Applied Biosciences, Kyungpook National University, Daegu, 702-701, Korea
2. Faculty of Liberal Art, Keimyung University, Daegu, 704-701, Korea
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| Abstract: | Aster yellows group phytoplasmas were reclassified by analysis of the 16S rRNA gene sequence, their phylogeny and the presence of interoperon heterogeneity. Nine phytoplasmas were classified into subgroups 16SrI-B and 16SrI-D using the 16S rRNA gene sequence. Then, based on the presence of interoperon heterogeneity, subgroup 16SrI-B phytoplasmas were differentiated into three subunits as 16SrI-B(a): mulberry dwarf, sumac witches’ broom and porcelain vine witches’ broom; 16SrI-B(b): angustata ash witches’ broom and Japanese spurge yellows; and 16SrI-B(c): onion yellow dwarf, water dropwort witches’ broom and hare’s ear yellow dwarf phytoplasma. |
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