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Title: Towards repurposing the yeast peroxisome for compartmentalizing heterologous metabolic pathways

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms11152· OSTI ID:1255249

Compartmentalization of enzymes into organelles is a promising strategy for limiting metabolic crosstalk and improving pathway efficiency, but improved tools and design rules are needed to make this strategy available to more engineered pathways. Here we focus on the Saccharomyces cerevisiae peroxisome and develop a sensitive high-throughput assay for peroxisomal cargo import. We identify an enhanced peroxisomal targeting signal type 1 (PTS1) for rapidly sequestering non-native cargo proteins. Additionally, we perform the first systematic in vivo measurements of nonspecific metabolite permeability across the peroxisomal membrane using a polymer exclusion assay. Finally, we apply these new insights to compartmentalize a two-enzyme pathway in the peroxisome and characterize the expression regimes where compartmentalization leads to improved product titre. Lastly, this work builds a foundation for using the peroxisome as a synthetic organelle, highlighting both promise and future challenges on the way to realizing this goal.

Research Organization:
University of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0008084
OSTI ID:
1255249
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 93 works
Citation information provided by
Web of Science

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Harnessing yeast organelles for metabolic engineering journal July 2017
Towards designer organelles by subverting the peroxisomal import pathway journal September 2017
The peroxisomal AAA-ATPase Pex1/Pex6 unfolds substrates by processive threading journal January 2018
Prokaryotic nanocompartments form synthetic organelles in a eukaryote journal April 2018
Controllable protein phase separation and modular recruitment to form responsive membraneless organelles journal July 2018
Light-based control of metabolic flux through assembly of synthetic organelles journal May 2019
Spatial organization of multi-enzyme biocatalytic cascades journal January 2017
Advanced strategy for metabolite exploration in filamentous fungi journal January 2020
A Cas9-based toolkit to program gene expression in Saccharomyces cerevisiae journal November 2016
A roadmap for biocatalysis - functional and spatial orchestration of enzyme cascades journal July 2016
Hansenula polymorpha Pex37 is a peroxisomal membrane protein required for organelle fission and segregation journal November 2019
Bacterial tail anchors can target to the mitochondrial outer membrane journal July 2017
Functional Analyses of a Putative, Membrane-Bound, Peroxisomal Protein Import Mechanism from the Apicomplexan Protozoan Toxoplasma gondii journal August 2018
Bacterial tail anchors can target to the mitochondrial outer membrane text January 2017
Bacterial tail anchors can target to the mitochondrial outer membrane posted_content April 2017
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