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Published on: June 13, 2016
Optimization of Exosome Isolation from Vitis vinifera Cell Cultures
M R Sorokina1, A V Fialko1, Yu A Yugay1
1Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia.
Summary
Grapevine (Vitis vinifera) suspension cultures yield more plant extracellular vesicles (exosomes) than callus tissues. Mechanical homogenization is the most effective isolation method for these exosomes.
Area of Science:
- Biotechnology
- Plant Science
- Nanotechnology
Background:
- Plant extracellular vesicles (exosomes) show promise for biomedical applications.
- Current methods for isolating plant exosomes from cell cultures need optimization.
Purpose of the Study:
- To assess exosome isolation efficiency from Vitis vinifera callus and suspension cultures.
- To determine the impact of culture age and extraction method on exosome yield.
Main Methods:
- Comparing exosome yield from callus versus suspension cultures of Vitis vinifera.
- Evaluating the effect of culture age (e.g., two-week-old cultures) on exosome production.
- Assessing different extraction techniques, including mechanical homogenization with a blender.
Main Results:
- Suspension cultures yielded significantly more exosomes than callus tissues.
- Exosome yield peaked in two-week-old suspension cultures during active cell growth.
- Mechanical homogenization proved to be the most efficient isolation method, maintaining sample purity.
Conclusions:
- Vitis vinifera suspension cultures offer a scalable platform for producing plant-derived exosomes.
- Optimized isolation methods, like mechanical homogenization, are crucial for efficient exosome recovery.
- This research aids in developing biotechnological systems for plant exosome isolation.
