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Host range, symptom expression and RNA 3 sequence analyses of six Australian strains of Cucumber mosaic virus

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Sulistyowati, E., Mitter, N., Bastiaan-netb, S., Roossinck, M.J. and Dietzgen, R.G. (2004) Host range, symptom expression and RNA 3 sequence analyses of six Australian strains of Cucumber mosaic virus. Australian Plant Pathology, 33 (4). pp. 505-512.


Article Link: http://dx.doi.org/10.1071/AP04054

Publisher URL: http://www.publish.csiro.au/


We have characterised six Australian Cucumber mosaic virus (CMV) strains belonging to different subgroups, determined by the sequence of their complete RNA 3 and by their host range and the symptoms they cause on species in the Solanaceae, Cucurbitaceae and on sweet corn. These data allowed classification of strains into the known three CMV subgroups and identification of plant species able to differentiate the Australian strains by symptoms and host range. Western Australian strains 237 and Twa and Queensland strains 207 and 242 are closely related members of CMV subgroup IA, which cause similar severe symptoms on Nicotiana species. Strains 207 and 237 (subgroup IA) were the only strains tested which systemically infected sweet corn. Strain 243 caused the most severe symptoms of all strains on Nicotiana species, tomato and capsicum and appears to be the first confirmed subgroup IB strain reported in Australia. Based on pair-wise distance analysis and phylogeny of RNA 3, as well as mild disease symptoms on Nicotiana species, CMV 241 was assigned to subgroup II, as the previously described Q-CMV and LY-CMV.

Item Type:Article
Additional Information:Reproduced with permission from © CSIRO Publishing. Access to published version may be available via Publisher’s website.
Keywords:Host differentials; phylogeny; reverse transcription-polymerase chain reaction; serogroup.
Subjects:Plant pests and diseases > Plant pathology
Live Archive:24 Dec 2007
Last Modified:03 Sep 2021 16:47

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