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Plants are multicellular eukaryotes with tissue systems made of various cell types that carry out specific functions. Different tissues work together to perform a unique function and form an organ. Organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system and a root system. The shoot system consists of two portions: the vegetative (non-reproductive) parts of the plant, such as the leaves and the stems, and the reproductive parts of the plant,...
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Clovers (Trifolium spp.).

Samira Rahimi-Ashtiani1, Sareena Sahab, Stephen Panter

  • 1School of Applied Systems Biology, AgriBio, Centre for AgriBioscience, La Trobe University, Bundoora, VIC, 3083, Australia.

Methods in Molecular Biology (Clifton, N.J.)
|October 11, 2014
PubMed
Summary
This summary is machine-generated.

Gene technology enables Agrobacterium-mediated transformation in clovers (Trifolium spp.), enhancing forage crops. This robust method facilitates genetic improvement for yield, quality, and stress adaptation in diverse clover species.

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Area of Science:

  • Agricultural Science
  • Plant Biotechnology
  • Genetics

Background:

  • Clovers (Trifolium spp.) are vital forage legumes, crucial for protein content and soil fertility.
  • Gene technology offers potential for improving clover forage quality, yield, and stress resistance.
  • Developing efficient genetic transformation protocols is key to advancing clover improvement.

Purpose of the Study:

  • To describe an efficient and reproducible Agrobacterium-mediated transformation protocol for various Trifolium species.
  • To demonstrate the robustness and independence of the protocol across genotypes and Agrobacterium strains.
  • To validate stable transgene transmission and enable isogenic transformation in clovers.

Main Methods:

  • Agrobacterium-mediated transformation using cotyledonary explants.
  • Application of selectable marker genes for transformation selection.
  • Analysis of transgene integration and meiotic transmission in resulting transgenic clovers.

Main Results:

  • An efficient, genotype- and Agrobacterium strain-independent transformation protocol was established for Trifolium species.
  • Stable meiotic transmission of single T-DNA inserts was confirmed in transgenic clovers.
  • The protocol supports "isogenic transformation," generating transgene- and non-transgene-containing plants from the same seed.

Conclusions:

  • The developed Agrobacterium-mediated transformation protocol is a robust tool for clover genetic improvement.
  • Stable transgene integration and transmission facilitate functional genomics and trait development in clovers.
  • This methodology enables precise genetic studies and the development of enhanced forage varieties.