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Investigating Functional Regeneration in Organotypic Spinal Cord Co-cultures Grown on Multi-electrode Arrays
Published on: September 23, 2015
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Competence and regulatory interactions during regeneration in plants
Ajai J Pulianmackal1, Abdul V K Kareem1, Kavya Durgaprasad1
1School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, India.
Frontiers in Plant Science
|May 1, 2014
Summary
Plants exhibit remarkable regenerative abilities due to high developmental plasticity, allowing de novo organ initiation through hormonal regulation or transcription factor expression. Understanding epigenetic modifications is key to unlocking plant regeneration potential.
Area of Science:
- Plant biology
- Developmental biology
- Epigenetics
Background:
- Organismal regeneration varies significantly across species.
- Plants possess high developmental plasticity, enabling regeneration from various cell types.
- Mammals have limited regenerative capacity, with only specific stem cells retaining this ability.
Purpose of the Study:
- To review current understanding of plant regenerative biology.
- To explore mechanisms of de novo organogenesis in plants.
- To discuss future prospects and evolutionary strategies in regeneration.
Main Methods:
- Hormonal regulation (auxin) to induce callus formation.
- Modulating hormone ratios for organ induction from callus.
- Forced expression of plant-specific transcription factors.
Main Results:
- Elevated auxin induces pluripotent callus resembling lateral root primordia.
- Organ formation is achievable by adjusting hormone ratios.
- Epigenetic modifications play a role in plant regeneration competence.
Conclusions:
- Plant regeneration is facilitated by developmental plasticity and hormonal control.
- Further research into epigenetic mechanisms is crucial for understanding regeneration.
- A comprehensive understanding of regeneration across different life phases and strategies is needed.
Keywords:
De novo organ initiationauxincalluscompetence for regenerationcytokininepigenetic modificationsMore Related Videos
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