In the present study, we have isolated and characterized a Yarrowia lipolytica morphological mutant growing exclusively in the pseudohyphal morphology. The gene responsible for this phenotype, YALI0E06519g, was identified as homologous to the mitosis regulation gene HSL1 from Saccharomyces cerevisiae. Taking advantage of its morphology, we achieved the immobilization of the Δhsl1 mutant on the metallic structured packing of immobilized-cell bioreactors. We obtained significant cell retention and growth on the support during shake flask and bioreactor experiments without an attachment step prior to the culture. The system of medium aspersion on the packing ensured oxygen availability in the absence of agitation and minimized the potential release of cells in the culture medium. Additionally, the metallic packing proved its facility of cleaning and sterilization after fermentation. This combined use of morphological mutation and bioreactor design is a promising strategy to develop continuous processes for the production of recombinant protein and metabolites using Y. lipolytica. Graphical Abstract.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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