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گواهی نمایه سازی مقاله DEVELOPMENT OF AN IN VIVO METHOD FOR FUNGUS-SPEROMOSPHERE INTERACTION

عنوان مقاله: DEVELOPMENT OF AN IN VIVO METHOD FOR FUNGUS-SPEROMOSPHERE INTERACTION
شناسه (COI) مقاله: NIAC01_067
منتشر شده در اولین کنفرانس بین المللی ایده های نو در کشاورزی در سال ۱۳۹۲
مشخصات نویسندگان مقاله:

Mehdi Mehrabi-koushki - Assistant Professor of Plant Pathology, Plant Protection Department, Shahid Chamran University of Ahvaz, Iran

خلاصه مقاله:
The ability of useful fungal rhizoflore to colonize them in the rhizosphere is mainly depend on their early establishment in spermosphere prior to present of other active microbial population. The developing of an in vivo system, in which, interacted material (Fungal mycelium and germinated growing seeds) can easily be recovered and separated during different periods is necessary. This research was conducted to set up an in vivo system for fungal transcriptome studding during colonization of germinating seeds. Here, Trichoderma fungus and tomato-germinating seeds were used as a useful rhizoflore and host spermosphere, respectively. Glass beakers were half-filled with sieved and full-rinsed sandy soil (50-350μm), watered to field capacity, Foil-capped and sterilized. Surface-sterilized tomato seeds were coated with Trichoderma spores and alternately added to beakers with separating layers of sterilized sands. This sandy bed free of nutrients was used, in which, seed and rootlet exudates are only nutrient source used by Trichoderma. The beakers were incubated in a growth chamber and then removed at desired periods of 12h, 24h, 48 and 72h post-inoculation. Contains of beakers were suspended in larger beakers containing sterilized water. The interacted mycelia and germinated seeds were separately collected by flow of sterilized water and passing through filter papers. Fungal and plant biomass collected in tubes were immediately transferred to -80oC freezer for physiological stop and then freeze-drayed. This high-qualified interacted biomass, which has not noticeable change in mRNA and protein profile, was used in transcriptome studies. This is the first study, to the best of my knowledge, to present new in vivo system to set up fungus-speromosphere interaction with easy access to recover interacted biomass.

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