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PHYTOPATHOGENIC MOLLICUTES
Year : 2020, Volume : 10, Issue : 2
First page : ( 182) Last page : ( 187)
Print ISSN : 2249-4669. Online ISSN : 2249-4677.
Article DOI : 10.5958/2249-4677.2020.00018.3

Molecular detection of a 16srix-e phytoplasma in chickpea affected by witches’ broom disease in Iran

Zamharir Maryam Ghayeb11, Dehghani Ali2

1Plant Diseases DepartmentIranian Research Institute of Plant protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran

2Plant Protection DepartmentLorestan Agricultural and Natural Resource Research Center, Agricultural Research, Education and Extension Organization (AREEO), Khorramabad, Iran

*Corresponding author e-mail: Maryam Ghayeb Zamharir (zamharir2005@yahoo.com)

Online published on 10 February, 2021.

Abstract

Chickpea plants showing witches’ broom, small leaves, short internodes and stunting symptoms were observed in chickpea fields in Nourabad region of Lorestan province, Iran. The occurrence of phytoplasmas was verified by nested-PCR obtaining amplicons of about 1.2 kb from DNA samples from symptomatic plants. The 16S rDNA sequence obtained from three phytoplasma strains, shared 99% identity with’ Candidatus Phytoplasma phoenicium’ and other phytoplasma strains enclosed in ribosomal group 16SrIX. The in silico RFLP analysis of the sequences obtained generated patterns identical among the tested samples and showed an identity coefficient of 0.98 with phytoplasmas enclosed in the 16SrIX-E subgroup. This is the first report of a phytoplasma infecting the chickpea plants in Iran.

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Keywords

Candidatus, Phytoplasma phoenicium’, PCR/RFLP, Plant disease, Sequencing.

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