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Isolation of Protoplasts from Tissues of 14-day-old Seedlings of Arabidopsis thaliana
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Embryoids derived from isolated protoplasts of carrot
1Institute for Agricultural Research, Tohoku University, Sendai, Japan.
Planta
|February 1, 2014
Summary
Carrot root protoplasts formed cell clusters and differentiated into embryoids using specific plant growth regulators like naphthaleneacetic acid (NAA) and 2,4-dichlorophenoxyacetic acid (2,4-D). This demonstrates efficient plant regeneration from isolated protoplasts.
Area of Science:
- Plant Biotechnology
- Cell Biology
- Developmental Biology
Background:
- Plant protoplasts offer a totipotent system for genetic manipulation and regeneration.
- Understanding factors influencing protoplast development is crucial for efficient plant propagation.
Purpose of the Study:
- To investigate the developmental potential of carrot root protoplasts.
- To identify optimal conditions for carrot protoplast-derived embryoid formation.
Main Methods:
- Enzymatic isolation of protoplasts from carrot root tissues.
- Culture of protoplasts in liquid media supplemented with coconut milk and auxins (NAA or 2,4-D).
- Induction of embryogenesis from callus on agar media with coconut milk or kinetin.
Main Results:
- Carrot root protoplasts successfully developed into cell clusters in the presence of NAA or 2,4-D.
- Subsequent differentiation into embryoids was achieved on media containing coconut milk or kinetin.
Conclusions:
- Plant growth regulators, specifically NAA and 2,4-D, are effective in promoting carrot protoplast proliferation.
- Coconut milk and kinetin support the differentiation of callus into embryoids, enabling plant regeneration from protoplasts.
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