Reprogramming methanol utilization pathways to convert Saccharomyces cerevisiae to a synthetic methylotroph
Artikel i vetenskaplig tidskrift, 2023

Methanol, an organic one-carbon (C1) compound, represents an attractive alternative carbon source for microbial fermentation. Despite considerable advancements in methanol utilization by prokaryotes such as Escherichia coli, engineering eukaryotic model organisms such as Saccharomyces cerevisiae into synthetic methylotrophs remains challenging. Here, an engineered module circuit strategy combined with adaptive laboratory evolution was applied to engineer S. cerevisiae to use methanol as the sole carbon source. We revealed that the evolved glyoxylate-based serine pathway plays an important role in methanol-dependent growth by promoting formaldehyde assimilation. Further, we determined that the isoprenoid biosynthetic pathway was upregulated, resulting in an increased concentration of squalene and ergosterol in our evolved strain. These changes could potentially alleviate cell membrane damage in the presence of methanol. This work sets the stage for expanding the potential of exploiting S. cerevisiae as a potential organic one-carbon platform for biochemical or biofuel production. [Figure not available: see fulltext.].

Författare

Chunjun Zhan

Joint BioEnergy Institute, California

Chalmers, Life sciences, Systembiologi

Jiangnan University

Lawrence Berkeley National Laboratory

Xiaowei Li

Chalmers, Life sciences, Systembiologi

Guangxu Lan

Lawrence Berkeley National Laboratory

Joint BioEnergy Institute, California

Edward E.K. Baidoo

Lawrence Berkeley National Laboratory

Joint BioEnergy Institute, California

Yankun Yang

Jiangnan University

Yuzhong Liu

Joint BioEnergy Institute, California

Lawrence Berkeley National Laboratory

Yang Sun

Jiangnan University

Henan University of Chinese Medicine

Shijie Wang

Jiangnan University

Yanyan Wang

Chalmers, Life sciences, Systembiologi

Guokun Wang

Chalmers, Life sciences, Systembiologi

Jens B Nielsen

Chalmers, Life sciences, Systembiologi

BioInnovation Institute

J.D. Keasling

Joint BioEnergy Institute, California

University of California

Lawrence Berkeley National Laboratory

Danmarks Tekniske Universitet (DTU)

Shenzhen Institutes for Advanced Technologies

Yun Chen

Chalmers, Life sciences, Systembiologi

Zhonghu Bai

Jiangnan University

Nature Catalysis

25201158 (eISSN)

Vol. 6 5 435-450

Ämneskategorier

Biokemi och molekylärbiologi

Annan kemiteknik

Mikrobiologi

DOI

10.1038/s41929-023-00957-w

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Senast uppdaterat

2024-03-07