Genetic diversity in Iranian populations of Togninia minima, one of the causal agents of leaf stripe disease on grapevines

Q3 Agricultural and Biological Sciences Eurasian Journal of Biosciences Pub Date : 2016-07-01 DOI:10.5053/EJOBIOS.2016.10.0.5
M. Arzanlou, A. Narmani
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引用次数: 1

Abstract

Background: Togninia minima Is the main fungal species commonly associated with grapevine leaf stripe disease (GLSD), worldwide. This species Is best known by Its conldlal state In nature. No data are available on the Incidence of an active sexual cycle within the populations of this species In many grapevine producing countries Including Iran. Material and Methods: Genetic variability within and among the populations of T. minima was analyzed using M13 DNA markers. Fifty one T. minima Isolates originating from symptomatic grapevines In north and northwestern regions of Iran were subjected to polymorphism analysis using M13 markers, namely M13mp 18F, M13mp 18R and M13 mlnlsatelllte. Correlation between the genetic similarity, the geographic origin and mating Identity of the Isolates was evaluated. Results: M13 mlnlsatelllte produced the 38 polymorphic bands, while M13 mp 18F and M13 mp 18R yielded 27 and 26 bands, respectively. Significant genetic distances were found among the Isolates from the same location and different parts of the country. No correlation was found among the genetic similarity groups with geographic origin and mating Identity of the Isolates. Isolates with different mating Identity sometimes clustered In the same group. Conclusion: Our data support the presence of a sexual cycle and the ongoing recombination within populations of the species In the sampled areas.
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葡萄叶条病病原之一的伊朗小托尼亚种群的遗传多样性
背景:小togniniia minima是全球范围内与葡萄叶条病(GLSD)相关的主要真菌种类。这个物种以其在自然界的休眠状态而闻名。在包括伊朗在内的许多葡萄生产国,尚无关于该物种种群内有性周期活跃发生率的数据。材料与方法:利用M13 DNA标记分析了小田鼠居群内和居群间的遗传变异。利用M13标记M13mp 18F、M13mp 18R和m13mlnlsatellite对51株产自伊朗北部和西北部有症状葡萄植株的小恙虫进行多态性分析。对分离物的遗传相似性、地理来源和交配特性进行了相关性分析。结果:M13 mlnlsatellite产生38个多态性条带,M13 mp 18F和M13 mp 18R分别产生27和26个多态性条带。来自同一地点和不同地区的分离株之间存在显著的遗传距离。遗传相似性类群与分离株的地理来源和交配身份没有相关性。具有不同交配身份的分离株有时聚集在同一群中。结论:我们的数据支持在采样地区的物种种群中存在性循环和持续的重组。
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来源期刊
Eurasian Journal of Biosciences
Eurasian Journal of Biosciences Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.20
自引率
0.00%
发文量
0
期刊介绍: EurAsian Journal of BioSciences (Abbrev. Eurasia J Biosci or EJOBIOS) is an international, refereed electronic journal. It publishes the results of original research in the field of biological sciences restricted tomorphology, physiology, genetics, taxonomy, ecology and biogeography of both prokaryotic and eucaryotic organisms. The journal encourages submission of manuscripts dealing with plant biology, animal biology, plant physiology, microbiology, hydrobiology, ecology and environmental science, ethnobiology, biodiversity and conservation biology. EurAsian Journal of BioSciences publishes original articles in the following areas: -Agriculture, Fisheries & Food -Anatomy & Morphology -Behavioural Sciences -Biology, Biochemistry and Biotechnology -Biophysics -Biology Education -Cellular Biology and Anatomical Sciences -Ecology, Evolution & Environment -Entomology -Forestry -General Biology -Genetics & Heredity -Life Sciences - Other topics -Microbiology and Immunology -Molecular Biology -Mycology -Palaeontology -Parasitology -Pharmacology & Pharmacy -Physiology and Related Sciences -Plant Sciences -Toxicology -Veterinary Sciences -Virology -Zoology
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