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Journals Journal of Plant Protection Research

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Journal of Plant Protection Research


Publications
4

CitationNamesAbstract
Association of ’Candidatus Phytoplasma aurantifolia’ with Cosmos bipinnatus phyllody disease in Iran Nikooei et al. (2017). Journal of Plant Protection Research 57 (3) Ca. Phytoplasma aurantifolia
Molecular identification of Candidatus Phytoplasma spp. associated with Sophora yellow stunt in Iran Allahverdi et al. (2017). Journal of Plant Protection Research 57 (2) Ca. Phytoplasma Ca. Phytoplasma phoenicium Ca. Phytoplasma solani
Characterization of phytoplasmas related to 'Candidatus Phytoplasma asteris' subgroup rpI-L in Iran Vali-Sichani et al. (2014). Journal of Plant Protection Research 54 (2) Ca. Phytoplasma asteris
European Stone Fruit Yellows Disease and Its Causal Agent ‘Candidatus Phytoplasma Prunorum’ Cieślińska (2011). Journal of Plant Protection Research 51 (4) Ca. Phytoplasma

Association of ’Candidatus Phytoplasma aurantifolia’ with Cosmos bipinnatus phyllody disease in Iran
Abstract In 2017 growing season numerous examinations of Cosmos bipinnatus in Hormozgan province, Iran revealed the disease symptoms similar to those associated with phytoplasmas. Phytoplasmas were detected from all symptomatic plants by the specific polymerase chain reaction (PCR) utilizing phytoplasma universal primer pairs. Amplification, sequencing and blast analysis of 16S rDNA fragment (ca. 1.2 kb) demonstrated that C. bipinnatus plants were infected by a phytoplasma belonging to the 16SrII group. This is the first report of association of a ‘Candidatus Phytoplasma aurantifolia’-related strain with C. bipinnatus phyllody in Iran.
Molecular identification of Candidatus Phytoplasma spp. associated with Sophora yellow stunt in Iran
Abstract In the spring of 2012, sophora (Sophora alopecuroides L.) plants showing symptoms of leaf yellowing, little leaves and stunting were observed in Firooz-kuh (Tehran province), Sari (Mazandaran province) and Urmia (West Azerbaijan province) in Iran. Symptomatic plants from the three locations were subjected to nested polymerase chain reaction (PCR) to amplify 16SrRNA using primer pair P1/P7 followed by primer pair R16F2n/R16R2. The amplicons were purified, sequenced and the nucleotide sequences were analyzed by virtual restriction fragment length polymorphism (RFLP). The phytoplasmas associated with the yellows disease were identified as members of the 16SrIX group (Candidatus Phytoplasma phoenicium) and the 16SrXII group (Candidatus Phytoplasma solani). The two phytoplasmas were placed in 16SrIX-C and 16SrXII-A subgroups, respectively, in constructed phylogenetic trees. This is the first report on sophora yellows associated with Candidatus Phytoplasma phoenicium.
Characterization of phytoplasmas related to 'Candidatus Phytoplasma asteris' subgroup rpI-L in Iran
Abstract In two of Iran's central provinces, several herbaceous plants showing phytoplasma disease symptoms were collected to detect 'Canididatus Phytoplasma asteris'-related phytoplasmas. Confirmation of an association of phytoplasmas with diseased plants was done using polymerase chain reaction (PCR) assays having the phytoplasma universal primer pairs P1/P7 followed by R16F2n/ R16R2 in nested PCR. Then, for detection of 'Ca. P. asteris', DNA samples were subjected to amplification of rp and tuf genes using specific primer pairs rp(I)F1A/rp(I)R1A and fTufAy/rTufAy, respectively. Restriction fragment length polymorphism or RFLP analyses of rp gene fragments using Tsp509I restriction enzyme as well as sequence analyses indicated that 'Ca. P. asteris'-related phytoplasmas associated with carrot, niger seed and scallion plants in these regions, belong to the rpI-L subgroup. This research is the first report of carrot, niger seed, and scallion infection with phytoplasmas belonging to the rpI-L subgroup.
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