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Recent Advances in Yeast Lipid Production
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Recent Advances in Yeast Lipid Production

A special issue of Journal of Fungi (ISSN 2309-608X). This special issue belongs to the section "Fungal Cell Biology, Metabolism and Physiology".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 1633

Special Issue Editor

Prof. Dr. Zongbao Zhao

E-Mail Website
Guest Editor
School of Bioengineering, Dalian University of Technology, Dalian, China
Interests: biofuels; biomass conversion; energy metabolism; metabolic engineering; microbial lipids; non-natural cofactors; process engineering; systems biology; synthetic biology

Special Issue Information

Dear Colleagues,

Lipids produced by yeasts are valuable resources as alternatives to those traditionally based on oil crops or plants. There is ever-growing interest in the production of yeast lipids via the use of renewable materials as carbon sources. In this Special Issue, contributions related to all aspects of yeast lipids are welcome. Submissions may deal with, but are not limited to, topics such as the genetics of oleaginous yeasts, systems biology of lipid accumulation, metabolic engineering for functional lipids or enhanced production capacity, process engineering for microbial lipid production, and the chemical or biological transformation of yeast lipids. This Special Issue is expected to cover the most recent developments in this area, promote further efforts in microbial lipid research, and, eventually, bring more yeast lipid products onto the market.

Prof. Dr. Zongbao Zhao
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Fungi is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biodiesel
  • functional lipids
  • lipid production process
  • lipidomics
  • metabolic engineering
  • oleochemicals
  • systems biology
  • sustainable aviation fuels
  • yeast lipids

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

16 pages, 1110 KiB  
Article
Unraveling the Potential of Yarrowia lipolytica to Utilize Waste Motor Oil as a Carbon Source
by Sílvia M. Miranda, Isabel Belo and Marlene Lopes
J. Fungi 2024, 10(11), 777; https://doi.org/10.3390/jof10110777 - 8 Nov 2024
Viewed by 522
Abstract
This study evaluated the potential of Y. lipolytica (CBS 2075 and DSM 8218) to grow in waste motor oil (WMO) and produce valuable compounds, laying the foundation for a sustainable approach to WMO management. Firstly, yeast strains were screened for their growth on [...] Read more.
This study evaluated the potential of Y. lipolytica (CBS 2075 and DSM 8218) to grow in waste motor oil (WMO) and produce valuable compounds, laying the foundation for a sustainable approach to WMO management. Firstly, yeast strains were screened for their growth on WMO (2–10 g·L−1) in microplate cultures. Despite limited growth, the CBS 2075 strain exhibited comparable growth to control conditions (without WMO), while DSM 8218 growth increased 2- and 3-fold at 5 g·L−1 and 10 g·L−1 WMO, respectively. The batch cultures in the bioreactor confirmed the best performance of DSM 8218. A two-stage fed-batch strategy–growth phase in aliphatic hydrocarbons, followed by the addition of WMO (one pulse of 5 g·L−1 or five pulses of 1 g·L−1 WMO), significantly increased biomass production and WMO assimilation by both strains. In experiments with five pulses, CBS 2075 and DSM 8218 strains reached high proteolytic activities (593–628 U·L−1) and accumulated high quantities of intracellular lipids (1.3–1.7 g·L−1). Yeast lipids, mainly composed of oleic and linoleic acids with an unsaturated/saturated fraction > 59%, meet the EU biodiesel standard EN 14214, making them suitable for biodiesel production. Full article
(This article belongs to the Special Issue Recent Advances in Yeast Lipid Production)
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16 pages, 4025 KiB  
Article
The Plasma Membrane H+-ATPase Promoter Driving the Expression of FADX Enables Highly Efficient Production of Punicic Acid in Rhodotorula toruloides Cultivated on Glucose and Crude Glycerol
by Daniela Krajciova and Roman Holic
J. Fungi 2024, 10(9), 649; https://doi.org/10.3390/jof10090649 - 13 Sep 2024
Cited by 1 | Viewed by 887
Abstract
Punicic acid (PuA) is a conjugated fatty acid with a wide range of nutraceutical properties naturally present in pomegranate seed oil. To meet the rising demand for pomegranate seed oil, a single-cell oil enriched in PuA provides a sustainable biomass-derived alternative. This study [...] Read more.
Punicic acid (PuA) is a conjugated fatty acid with a wide range of nutraceutical properties naturally present in pomegranate seed oil. To meet the rising demand for pomegranate seed oil, a single-cell oil enriched in PuA provides a sustainable biomass-derived alternative. This study describes the production of a PuA-enriched single-cell oil through the engineering of the red yeast Rhodotorula toruloides grown in glucose and a low-cost substrate, crude glycerol. The gene for Punica granatum fatty acid conjugase, PgFADX, was randomly integrated into the genome of R. toruloides without disrupting the carotenoid synthesis. In shake flask studies, the effects of three promoters (PPGI1, PNAR1, and PPMA1) on PuA production were evaluated. PuA titers of 105.77 mg/L and 72.81 mg/L were obtained from engineered cells expressing PgFADX from the PPMA1 promoter cultivated for 72 h in glucose and for 168 h in crude glycerol, respectively. Furthermore, the detailed lipid analysis revealed a high enrichment PuA in the triacylglycerol lipid structures, even without substantial modifications to the metabolic pathways. This report demonstrates the high potential of R. toruloides in the upcycling of a low-cost substrate, crude glycerol, into a value-added product such as PuA. The findings support the feasibility of using engineered R. toruloides for sustainable production of PuA-enriched single-cell oil. Full article
(This article belongs to the Special Issue Recent Advances in Yeast Lipid Production)
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