ArticleApplied microbiology and biotechnology2024
Squalene production under oxygen limitation by Schizochytrium sp. S31 in different cultivation systems.
Article in Applied microbiology and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 7 citations in OpenAlex.
- Compositional Characteristics of Macadamia Nuts and Oils from Major Growing Regions in China: A Static Evaluation.Foods (Basel, Switzerland) · 2026Article
- Production of squalene and fatty acids by Thraustochytrium sp. RT2316-16: effects of dissolved oxygen and the medium composition.Bioresources and bioprocessing · 2025Article
- Thraustochytrids: Evolution, Ultrastructure, Biotechnology, and Modeling.International journal of molecular sciences · 2024Review
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7 authors at 2 institutions in 1 country.
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Abstract
The triterpene squalene is widely used in the food, cosmetics and pharmaceutical industries due to its antioxidant, antistatic and anti-carcinogenic properties. It is usually obtained from the liver of deep sea sharks, which are facing extinction. Alternative production organisms are marine protists from the family Thraustochytriaceae, which produce and store large quantities of various lipids. Squalene accumulation in thraustochytrids is complex, as it is an intermediate in sterol biosynthesis. Its conversion to squalene 2,3-epoxide is the first step in sterol synthesis and is heavily oxygen dependent. Hence, the oxygen supply during cultivation was investigated in our study. In shake flask cultivations, a reduced oxygen supply led to increased squalene and decreased sterol contents and yields. Oxygen-limited conditions were applied to bioreactor scale, where squalene accumulation and growth of Schizochytrium sp. S31 was determined in batch, fed-batch and continuous cultivation. The highest dry matter (32.03 g/L) was obtained during fed-batch cultivation, whereas batch cultivation yielded the highest biomass productivity (0.2 g/L*h
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