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Microbial Oils as Nutraceuticals and Animal Feeds

  • Beatriz Galán
  • María Santos-Merino
  • Juan Nogales
  • Fernando de la Cruz
  • José L. GarcíaEmail author
Living reference work entry
Part of the Handbook of Hydrocarbon and Lipid Microbiology book series (HHLM)

Abstract

Lipids and oils are produced by all single-cell organisms for essential structural and functional roles; however, the term single cell oils (SCOs) is mainly restricted to describe the lipids produced by a limited number of oleaginous microorganisms (archaea, bacteria, yeast, fungi, and microalgae) with oil contents higher than 20% of biomass weigh. SCOs have different fatty acid compositions from those of plant seed or fish oils and are nowadays considered as new sources of nutraceuticals and animal feeds. In spite of the current commercial success of some SCOs, the development of more efficient microbial fermentation processes and the possibility of manipulating by systems metabolic engineering the lipid composition of cells require new biotechnological strategies to obtain high yields of the desired SCOs. Understanding the synthesis and regulatory mechanisms involved in the production of SCOs is fundamental to eliminate the metabolic bottlenecks that impair achieving high oil yields.

Notes

Acknowledgments

This chapter is supported by grants from the Community of Madrid and the Structural Funds of the European Union (Ref: S2013/ABI2783 (INSPIRA1-CM)), the Ministry of Economy, the Industry and Competitiveness (Ref: RTC-2016-4860-2; Ref: BFU2014-55534-C2-1-P), and the Intramural Program of the CSIC (Ref: 201420E086) and the H2020 FET-OPEN program (LIAR: Ref 686585).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Beatriz Galán
    • 1
  • María Santos-Merino
    • 2
  • Juan Nogales
    • 1
    • 3
  • Fernando de la Cruz
    • 2
  • José L. García
    • 1
    • 4
    Email author
  1. 1.Department of Microbial and Plant BiotechnologyCentro de Investigaciones Biológicas (CIB) (CSIC)MadridSpain
  2. 2.Intergenomic Group. Instituto de Biomedicina y Biotecnología de Cantabria (IBBTEC) (UC-CSIC)SantanderSpain
  3. 3.Department of Systems BiologyCentro Nacional de Biotecnología (CNB) (CSIC)MadridSpain
  4. 4.Department of Applied Systems Biology and Synthetic BiologyInstituto de Biología Integrativa de Sistemas (I2Sysbio) (CSIC-UV)ValenciaSpain

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