Xiao‐Man Sun

ORCID: 0000-0002-6268-4546
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About
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Research Areas
  • Microbial Metabolic Engineering and Bioproduction
  • Algal biology and biofuel production
  • Enzyme Catalysis and Immobilization
  • Biofuel production and bioconversion
  • CRISPR and Genetic Engineering
  • Plant biochemistry and biosynthesis
  • Viral Infectious Diseases and Gene Expression in Insects
  • Lipid metabolism and biosynthesis
  • RNA and protein synthesis mechanisms
  • Photosynthetic Processes and Mechanisms
  • Aquaculture Nutrition and Growth
  • Aquaculture disease management and microbiota
  • Bacterial Genetics and Biotechnology
  • Bacteriophages and microbial interactions
  • Gene Regulatory Network Analysis
  • Enzyme Structure and Function
  • Invertebrate Immune Response Mechanisms
  • Microbial Metabolites in Food Biotechnology
  • Soybean genetics and cultivation
  • Chromosomal and Genetic Variations
  • Legume Nitrogen Fixing Symbiosis
  • Plant Taxonomy and Phylogenetics
  • Process Optimization and Integration
  • Aquatic life and conservation
  • Advanced biosensing and bioanalysis techniques

Nanjing Normal University
2019-2025

Forest Trends
2023

Virginia Tech
2023

Shandong First Medical University
2022

Shandong Tumor Hospital
2022

Nanjing Tech University
2016-2019

Fondation Maison des Sciences de l'Homme
2019

The Synergetic Innovation Center for Advanced Materials
2016

Schizochytrium sp. is a marine microalga with great potential as promising sustainable source of lipids rich in docosahexaenoic acid (DHA). This organism's lipid accumulation machinery can be induced by various stress conditions, but this induction usually comes at the expense lower biomass industrial fermentations. Moreover, oxidative damage environmental stresses result peroxidation lipids, and especially polyunsaturated fatty acids, which causes unstable DHA production, often ignored...

10.1186/s13068-018-1065-4 article EN cc-by Biotechnology for Biofuels 2018-03-14

Escherichia coli is the most widely used bacterium in prokaryotic expression system for production of recombinant proteins. In BL21 (DE3), gene encoding T7 RNA polymerase (T7 RNAP) under control strong lacUV5 promoter (PlacUV5), which leakier and more active than wild-type lac (PlacWT) certain growth conditions. These characteristics are not advantageous those proteins with toxic or growth-burdened. On one hand, leakage RNAP leads to rapid target non-inducing period, sucks resources away...

10.1186/s12934-021-01680-6 article EN cc-by Microbial Cell Factories 2021-09-26

Controlling the copy number of gene expression cassettes is an important strategy to engineer bacterial cells into high-efficiency biocatalysts. Current strategies mostly use plasmid vectors, but multicopy plasmids are often genetically unstable, and their numbers cannot be precisely controlled. The integration a chromosome has advantages, iterative laborious, it challenging obtain library with varied doses for phenotype characterization. Here, we demonstrated that chromosomal using...

10.1021/acssynbio.0c00073 article EN ACS Synthetic Biology 2020-06-17

Schizochytrium sp. is a promising strain for the production of docosahexaenoic acid (DHA)-rich oil and biodiesel, has been widely used in food additive bioenergy industries. Oxygen particularly important environmental factor cell growth DHA synthesis. In general, higher oxygen supply favors lipid accumulation, but could lead to reduction percentage total fatty acids To tackle this problem, it essential understand mechanisms regulating response oxygen. study, we aimed explore acclimatization...

10.1186/s13068-018-1250-5 article EN cc-by Biotechnology for Biofuels 2018-09-17

The sesquiterpene α-humulene has been shown to have anti-inflammatory and anticancer activities, which led its vast application potential in medicine. However, production methods including phytoextraction chemical synthesis currently were limited low yield, high costs, expensive catalysts, cannot meet the increasing market demand. In this study, Yarrowia lipolytica was developed as a robust cell factory for production. peroxisome Y. first engineered boost of α-humulene. By...

10.1021/acs.jafc.1c05897 article EN Journal of Agricultural and Food Chemistry 2021-11-09

ABSTRACT Gastrodin, the principal bioactive component of renowned herb Gastrodia elata , is extensively utilized in medicinal drugs and nutraceuticals. This study seeks to enhance microbial production gastrodin through high‐throughput screening (HTS) transcriptomics‐guided optimization. Initially, atmospheric pressure room temperature plasma (ARTP)‐mediated mutagenesis were employed develop a library mutant strains. Furthermore, transcription factor‐based biosensor solid‐phase extraction...

10.1002/bit.28977 article EN Biotechnology and Bioengineering 2025-03-22

Presently, the supply of eicosapentaenoic acid (EPA) and docosahexaenoic (DHA) traditionally produced by marine fisheries will be insufficient to meet their market demand in food industry. Thus a sustainable alternative source is urgently required. Schizochytrium sp. an ideal producer DHA; however, its ability co-produce DHA EPA has not yet been proved. Herein, we first described cobalamin-independent methionine synthase-like (MetE-like) complex, which contains independent acyltransferase...

10.1038/s42003-022-04334-4 article EN cc-by Communications Biology 2022-12-09

Non-homologous end-joining (NHEJ)-mediated random integration in Yarrowia lipolytica has been demonstrated to be an effective strategy for screening hyperproducer strains. However, there was no multigene assembly method applied NHEJ integration, which made it challenging construct and integrate metabolic pathways. In this study, a Golden Gate modular cloning system (YALIcloneNHEJ) established develop robust DNA platform Y. lipolytica. By optimizing key factors, including the amounts of...

10.3389/fbioe.2021.816980 article EN cc-by Frontiers in Bioengineering and Biotechnology 2022-03-02

Abstract Background Eicosapentaenoic acid (EPA) is widely used in the functional food and nutraceutical industries due to its important benefits human health. Oleaginous microorganisms are considered a promising alternative resource for production of EPA lipids. However, storage triglyceride (TG) becomes key factor limiting level. Results This study aimed incorporate more into TG through metabolic engineering. Firstly, enzymes synthesis, diacylglycerol acyltransferase ( DGAT )...

10.1186/s13068-024-02471-y article EN cc-by Biotechnology for Biofuels and Bioproducts 2024-02-24
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