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Green fluorescent protein as a visual marker in somatic hybridization
O Olivares-Fuster1, L Peña, N Duran-Vila
1Departamento de Protección Vegetal y Biotecnología, Instituto Valenciano de Investigaciones Agrarias, Moncada, Spain.
Annals of Botany
|July 5, 2002
Summary
Green Fluorescent Protein (GFP) effectively tracks citrus somatic hybrid plants during fusion and regeneration. This in vivo marker aids in monitoring hybrid development from protoplasts to mature plants.
Area of Science:
- Plant biotechnology
- Molecular biology
- Genetics
Background:
- Somatic hybridization is crucial for crop improvement.
- Efficient methods for tracking hybrid development are needed.
- Green Fluorescent Protein (GFP) offers potential as a visual marker.
Purpose of the Study:
- To evaluate Green Fluorescent Protein (GFP) as an in vivo marker for citrus somatic hybrid development.
- To assess GFP's utility in monitoring protoplast fusion, regeneration, and selection.
- To confirm GFP expression throughout the hybrid plant lifecycle.
Main Methods:
- Somatic fusion experiments using transgenic citrus parent expressing GFP.
- Monitoring GFP expression in protoplasts, callus, embryos, and regenerated plants.
- Utilizing GFP fluorescence for localization and selection of hybrid cells and tissues.
Main Results:
- High GFP expression observed in transgenic citrus protoplasts.
- Consistent GFP signal detected in hybrid callus, embryos, and plants.
- GFP enabled continuous monitoring of fusion and localization of hybrid colonies.
- GFP facilitated selection of somatic hybrid embryos and plants.
Conclusions:
- Green Fluorescent Protein (GFP) is a suitable and effective in vivo marker for citrus somatic hybridization.
- GFP simplifies the monitoring, localization, and selection processes in somatic hybrid plant development.
- This technique enhances the efficiency of producing genetically modified citrus plants.