Enzymes for Aerobic Degradation of Alkanes in Yeasts

Fukuda, Ryouichi; Ohta, Akio

doi:10.1007/978-3-319-39782-5_7-1

Cited by 7 publications

(4 citation statements)

References 63 publications

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“…This process mirrors that of autothermal pyrolysis developed for the process intensification of biomass, [948][949] with the possibility to achieve autothermal operation for plastics. 950 Products from TOD can be biologically funneled to biofuels [951][952] or macronutrients. 953 Despite continuing advancement of the technology, commercialization of plastics pyrolysis faces significant challenges which can be addressed by further research.…”

Section: Pyrolysis Liquefaction and Gasification Of Waste Plasticsmentioning

confidence: 99%

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Aguirre-Villegas

Allen

et al. 2022

Preprint

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Less than 10% of the plastics generated globally are recycled, while the rest are incinerated, accumulated in landfills, or leach into the environment. New technologies are emerging to chemically recycle waste plastics that are receiving tremendous interest from academia and industry. Chemists and chemical engineers need to understand the fundamentals of these technologies to design improved systems for chemical recycling and upcycling of waste plastics. In this paper, we review the entire life cycle of plastics and options for the management of plastic waste to address barriers to industrial chemical recycling and further provide perceptions on possible opportunities with such materials. Knowledge and insights to enhance plastic recycling beyond its current scale are provided. Outstanding research problems and where researchers in the field should focus their efforts in the future are also discussed.

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Section: Pyrolysis Liquefaction and Gasification Of Waste Plasticsmentioning

confidence: 99%

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Aguirre-Villegas

Allen

et al. 2022

Preprint

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“…Because of these characteristic features, Y. lipolytica has been investigated as a model organism to elucidate the metabolism of hydrophobic substrates and its regulation in yeasts (4)(5)(6)(7)(8)(9). Furthermore, Y. lipolytica has attracted tremendous attention as a host for the bioconversion of hydrophobic substrates into various useful chemicals or for the bioremediation of soil and water contaminated by petroleum or oil (4,10,11).…”

Section: Introductionmentioning

confidence: 99%

Mar1, an HMG-box protein, regulatesn-alkane adsorption and cell morphology of the dimorphic yeastYarrowia lipolytica

Kimura-Ishimaru,

Liang,

Matsuse

et al. 2024

Preprint

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The dimorphic yeastYarrowia lipolyticapossesses an excellent ability to utilizen-alkane as a sole carbon and energy source. Although there are detailed studies on the enzymes that catalyze the reactions in the metabolic processes ofn-alkane inY. lipolytica, the molecular mechanism underlying the incorporation ofn-alkane into the cells remains to be elucidated. BecauseY. lipolyticaadsorbsn-alkane, we postulated thatY. lipolyticaincorporatesn-alkane through direct interaction with it. We isolated and characterized mutants defective in adsorption ton-hexadecane. One of the mutants harbored a nonsense mutation inMAR1(Morphology andn-alkane Adsorption Regulator) encoding a protein containing a high mobility group box. The deletion mutant ofMAR1exhibited defects in adsorption ton-hexadecane and filamentous growth on solid media, whereas the strain that overexpressedMAR1exhibited hyperfilamentous growth. Fluorescence microscopic observations suggested that Mar1 localizes in the nucleus. RNA-seq analysis revealed the alteration of the transcript levels of several genes, including those encoding transcription factors and cell surface proteins, by the deletion ofMAR1. These findings suggest thatMAR1is involved in the transcriptional regulation of the genes required forn-alkane adsorption and cell morphology transition.

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“…While sugars are the conventional carbon source for yeast growth, the metabolism of noncarbohydrate hydrocarbons in yeast is widely documented. Alkane utilization has been observed in at least 180 species, including Candida maltosa and Scheffersomyces stipitis, and other studies have demonstrated alkene utilization by C. maltosa .…”

Section: Introductionmentioning

confidence: 99%

High-Temperature, Noncatalytic Oxidation of Polyethylene to a Fermentation Substrate Robustly Utilized by Candida maltosa

Brown,

Rodriguez-Ocasio,

Peterson

et al. 2023

ACS Sustainable Chem. Eng.

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Enzymes for Aerobic Degradation of Alkanes in Yeasts

Cited by 7 publications

References 63 publications

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Mar1, an HMG-box protein, regulatesn-alkane adsorption and cell morphology of the dimorphic yeastYarrowia lipolytica

High-Temperature, Noncatalytic Oxidation of Polyethylene to a Fermentation Substrate Robustly Utilized by Candida maltosa

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