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Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
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Related Experiment Video

Updated: May 2, 2026

A Simple Method for Isolation of Soybean Protoplasts and Application to Transient Gene Expression Analyses
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Plastid transformation in eggplant.

Kailash C Bansal1, Ajay K Singh

  • 1National Bureau of Plant Genetic Resources (ICAR), New Delhi, India.

Methods in Molecular Biology (Clifton, N.J.)
|March 7, 2014
PubMed
Summary

A new procedure for eggplant plastid transformation was developed using biolistic delivery and spectinomycin selection. This breakthrough enables genetic engineering for improved crop performance and biopharmaceutical production in eggplants.

Area of Science:

  • Plant Biotechnology
  • Molecular Biology
  • Genetics

Background:

  • Eggplant (Solanum melongena L.) is a globally significant vegetable crop.
  • Efficient genetic modification methods are crucial for crop improvement.

Purpose of the Study:

  • To establish a robust protocol for eggplant plastid transformation.
  • To enable future applications in crop enhancement and biopharmaceutical production.

Main Methods:

  • Preparation of eggplant stem explants.
  • Biolistic delivery of a plastid transformation vector with the aadA gene.
  • Selection using spectinomycin and confirmation via double selection.

Main Results:

  • Shoot buds emerged from explants after 5-6 weeks of spectinomycin selection.

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  • Homoplasmic transplastomic lines were obtained after 9 weeks of selection.
  • Successful confirmation of transplastomic lines was achieved.

    • Conclusions:

    • A viable plastid transformation procedure for eggplant has been established.
    • This technology opens avenues for metabolic engineering and producing biopharmaceuticals in eggplants.
    • Further research can leverage this method for advanced crop improvement strategies.