Disruption of lig4 improves gene targeting efficiency in the oleaginous fungus Mortierella alpina 1S-4

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Disruption of lig4 improves gene targeting efficiency in the oleaginous fungus Mortierella alpina 1S-4.

The oil-producing zygomycete Mortierella alpina 1S-4 is known to accumulate beneficial polyunsaturated fatty acids. We identified the lig4 gene that encodes for a DNA ligase 4 homolog, which functions to repair double strand breaks by non-homologous end joining. We disrupted the lig4 gene to improve the gene targeting efficiency in M. alpina. The M. alpina 1S-4 Δlig4 strains showed no defect in...

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The generation of NADPH by malic enzyme (ME) was postulated to be a rate-limiting step during fatty acid synthesis in oleaginous fungi, based primarily on the results from research focusing on ME in Mucor circinelloides. This hypothesis is challenged by a recent study showing that leucine metabolism, rather than ME, is critical for fatty acid synthesis in M. circinelloides. To clarify this, the...

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Identification of a sterol Delta7 reductase gene involved in desmosterol biosynthesis in Mortierella alpina 1S-4.

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ژورنال

عنوان ژورنال: Journal of Biotechnology

سال: 2015

ISSN: 0168-1656

DOI: 10.1016/j.jbiotec.2015.05.020