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  4. An Interplay between Transcription Factors and Recombinant Protein Synthesis in Yarrowia lipolytica at Transcriptional and Functional Levels—The Global View
 
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An Interplay between Transcription Factors and Recombinant Protein Synthesis in Yarrowia lipolytica at Transcriptional and Functional Levels—The Global View

Type
Journal article
Language
English
Date issued
2024
Author
Gorczyca, Maria
Korpys-Woźniak, Paulina
Celińska, Ewelina 
Faculty
Wydział Nauk o Żywności i Żywieniu
Journal
International Journal of Molecular Sciences
ISSN
1661-6596
DOI
10.3390/ijms25179450
Web address
https://www.mdpi.com/1422-0067/25/17/9450
Volume
25
Number
17
Pages from-to
art. 9450
Abstract (EN)
Transcriptional regulatory networks (TRNs) associated with recombinant protein (rProt) synthesis in Yarrowia lipolytica are still under-described. Yet, it is foreseen that skillful manipulation with TRNs would enable global fine-tuning of the host strain’s metabolism towards a high-level-producing phenotype. Our previous studies investigated the transcriptomes of Y. lipolytica strains overproducing biochemically different rProts and the functional impact of transcription factors (TFs) overexpression (OE) on rProt synthesis capacity in this species. Hence, much knowledge has been accumulated and deposited in public repositories. In this study, we combined both biological datasets and enriched them with further experimental data to investigate an interplay between TFs and rProts synthesis in Y. lipolytica at transcriptional and functional levels. Technically, the RNAseq datasets were extracted and re-analyzed for the TFs’ expression profiles. Of the 140 TFs in Y. lipolytica, 87 TF-encoding genes were significantly deregulated in at least one of the strains. The expression profiles were juxtaposed against the rProt amounts from 125 strains co-overexpressing TF and rProt. In addition, several strains bearing knock-outs (KOs) in the TF loci were analyzed to get more insight into their actual involvement in rProt synthesis. Different profiles of the TFs’ transcriptional deregulation and the impact of their OE or KO on rProts synthesis were observed, and new engineering targets were pointed.
Keywords (EN)
  • heterologous protein

  • yeast

  • protein production

  • omics data

  • transcriptional regulation

License
cc-bycc-by CC-BY - Attribution
Open access date
August 30, 2024
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