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Androgenesis in Solanaceae.

Jose M Seguí-Simarro1

  • 1COMAV - Universitat Politècnica de València. CPI, Edificio 8E - Escalera I, Camino de Vera, 46022, Valencia, Spain. seguisim@btc.upv.es.

Methods in Molecular Biology (Clifton, N.J.)
|December 2, 2015
PubMed
Summary

Doubled haploid (DH) production accelerates the creation of pure lines in Solanaceae crops like tomato and pepper. Androgenesis offers significant time and cost savings for developing hybrid varieties.

Keywords:
Anther cultureDaturaDoubled haploid sEggplantMicrospore cultureMicrospore embryogenesisPepperPotatoTobaccoTomato

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Area of Science:

  • Plant breeding and genetics
  • Agricultural biotechnology
  • Horticultural science

Background:

  • Solanaceae crops (e.g., tomato, potato, pepper) are vital for global agriculture.
  • Hybrid varieties, crucial for maximum yields, require pure homozygous lines.
  • Conventional breeding for pure lines is time-consuming and expensive.

Purpose of the Study:

  • To review the state of research on androgenic doubled haploids (DHs) in the Solanaceae family.
  • To highlight the potential of androgenesis to accelerate pure line development.
  • To discuss the varying responses to in vitro techniques across Solanaceae species.

Main Methods:

  • Review of existing literature on androgenesis and doubled haploid production in Solanaceae.
  • Focus on in vitro techniques such as anther culture and isolated microspore culture.
  • Comparative analysis of androgenic response in different Solanaceae species.

Main Results:

  • Androgenesis significantly reduces the time and cost for producing pure lines compared to conventional methods.
  • Species within Solanaceae exhibit diverse responses to androgenic induction, with tobacco being a model system and tomato highly recalcitrant.
  • The Solanaceae family presents a heterogeneous landscape for androgenic doubled haploid production.

Conclusions:

  • Androgenic DHs are a valuable tool for accelerating breeding programs in Solanaceae crops.
  • Further research is needed to overcome recalcitrance in species like tomato.
  • Standardized and efficient in vitro techniques are essential for widespread application.