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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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Current progress and challenges in crop genetic transformation.

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|April 19, 2021
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Plant transformation technologies are crucial for crop genetic improvement, enabling faster development of new traits. Despite advancements, recalcitrant species pose challenges, driving innovation in genome editing and direct transformation methods.

Keywords:
Crop genetic engineeringCrop transformation

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Area of Science:

  • Agricultural Science
  • Plant Biotechnology
  • Genomics

Background:

  • Plant transformation is vital for functional genomics and crop genetic improvement, with genetically engineered crops seeing significant global growth.
  • Agrobacterium tumefaciens-mediated DNA transfer has paved the way for molecular breeding, introducing novel traits difficult to achieve through conventional methods.

Purpose of the Study:

  • To review recent developments in plant transformation and regeneration techniques.
  • To discuss opportunities for new breeding technologies to overcome challenges in crop improvement.

Main Methods:

  • Review of advancements in plant transformation, including tissue culture and regeneration.
  • Exploration of novel gene cloning and functional genomics data utilization.
  • Consideration of genome editing and direct, non-tissue culture-based transformation methods.

Main Results:

  • Plant transformation is the fastest and most widely adopted technology in agriculture, accelerating crop improvement.
  • Increasing genomic data and functional genomics information are driving trait development.
  • Recalcitrant species and genotypes remain a bottleneck, necessitating further innovation.

Conclusions:

  • Advances in plant transformation are essential for developing climate-resilient crops and ensuring global food security.
  • Morphogenetic transcriptional regulators and new genome editing techniques offer promising avenues for improving transformation efficiency in recalcitrant crops.
  • Direct, non-tissue culture-based methods present alternative strategies for varietal development.