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Wu C, Zhang H, Yang N, Liu N, Yang H, Xu H, Lei H. Antioxidant Dipeptides Enhance Osmotic Stress Tolerance by Regulating the Yeast Cell Wall and Membrane. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:4339-4347. [PMID: 38351620 DOI: 10.1021/acs.jafc.3c09320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
This study aimed to investigate the role of the yeast cell wall and membrane in enhancing osmotic tolerance by antioxidant dipeptides (ADs) including Ala-His (AH), Thr-Tyr (TY), and Phe-Cys (FC). Results revealed that ADs could improve the integrity of the cell wall by restructuring polysaccharide structures. Specifically, FC significantly (p < 0.05) reduced the leakage of nucleic acid and protein by 2.86% and 5.36%, respectively, compared to the control. In addition, membrane lipid composition played a crucial role in enhancing yeast tolerance by ADs, including the increase of cell membrane integrity and the decrease of permeability by regulating the ratio of unsaturated fatty acids. The up-regulation of gene expression associated with the cell wall integrity pathway (RLM1, SLT2, MNN9, FKS1, and CHS3) and fatty acid biosynthesis (ACC1, HFA1, OLE1, ERG1, and FAA1) further confirmed the positive impact of ADs on yeast tolerance against osmotic stress.
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Affiliation(s)
- Caiyun Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Hexin Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Nana Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Na Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Huirong Yang
- College of Food Science and Technology, Southwest Minzu University, Chengdu 610041, China
| | - Huaide Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Hongjie Lei
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
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Wu C, Wang C, Guo J, Jike X, Yang H, Xu H, Lei H. Plant-derived antioxidant dipeptides provide lager yeast with osmotic stress tolerance for very high gravity fermentation. Food Microbiol 2024; 117:104396. [PMID: 37919005 DOI: 10.1016/j.fm.2023.104396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/30/2023] [Accepted: 10/02/2023] [Indexed: 11/04/2023]
Abstract
Osmotic stress in the yeast limits productivity in industrial beer production under very high gravity brewing. This study focused on assessing the protective impacts of eleven plant-derived antioxidant dipeptides (PADs) on the osmotic stress tolerance of lager yeast. The results showed that PADs provided yeast with stress tolerance under osmotic stress. PADs supplementation enhanced cell membrane integrity and reduced oxidative damage. PADs upregulated the expression of SOD2, PEX11 and CTT1 genes under osmotic stress. Moreover, the volatile compounds contents and antioxidant activities of beers were improved by PADs, suggesting favorable quality characteristics. Especially, Phe-Cys and Leu-His could increase the DPPH radical scavenging activity of beer by 41.92% and 18.78% respectively, compared with control. Therefore, PADs are industrially scalable enhancers to improve the ability of yeast to resist osmotic stress and beer quality during very high gravity brewing.
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Affiliation(s)
- Caiyun Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Chengxin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Jiayu Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Xiaolan Jike
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Huirong Yang
- College of Food Science and Technology, Southwest Minzu University, Chengdu, 610041, China.
| | - Huaide Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Hongjie Lei
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
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Yang H, Huang L, Zhao D, Zhao H, Chen Y, Li Y, Zeng Y. Protective effect of wheat gluten peptides against ethanol-stress damage in yeast cell and identification of anti-ethanol peptides. Lebensm Wiss Technol 2024; 192:115732. [DOI: 10.1016/j.lwt.2024.115732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
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Wu C, Guo J, Jian H, Liu L, Zhang H, Yang N, Xu H, Lei H. Bioactive dipeptides enhance the tolerance of lager yeast to ethanol-oxidation cross-stress by regulating the multilevel defense system. Food Microbiol 2023; 114:104288. [PMID: 37290871 DOI: 10.1016/j.fm.2023.104288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 06/10/2023]
Abstract
Although high gravity brewing technology has been widely used for beer industries due to its economic benefits, yeast cells are subjected to multiple environmental stresses throughout the fermentation process. Eleven bioactive dipeptides (LH, HH, AY, LY, IY, AH, PW, TY, HL, VY, FC) were selected to evaluate their effects on cell proliferation, cell membrane defense system, antioxidant defense system and intracellular protective agents of lager yeast against ethanol-oxidation cross-stress. Results showed that the multiple stresses tolerance and fermentation performance of lager yeast were enhanced by bioactive dipeptides. Cell membrane integrity was improved by bioactive dipeptides through altering the structure of macromolecular compounds of the cell membrane. Intracellular reactive oxygen species (ROS) accumulation was significantly decreased by bioactive dipeptides, especially for FC, decreasing by 33.1%, compared with the control. The decrease of ROS was closely related to the increase of mitochondrial membrane potential, intracellular antioxidant enzyme activities including superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD), and glycerol level. In addition, bioactive dipeptides could regulate the expression of key genes (GPD1, OLE1, SOD2, PEX11, CTT1, HSP12) to enhance the multilevel defense systems under ethanol-oxidation cross-stress. Therefore, bioactive dipeptides should be potentially efficient and feasible bioactive ingredients to improve the multiple stresses tolerance of lager yeast during high gravity fermentation.
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Affiliation(s)
- Caiyun Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Jiayu Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Haoyu Jian
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Li Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Hexin Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Nana Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Huaide Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
| | - Hongjie Lei
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, China.
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Wu C, Liu L, Zhang M, Jike X, Zhang H, Yang N, Yang H, Xu H, Lei H. Mechanisms of Antioxidant Dipeptides Enhancing Ethanol-Oxidation Cross-Stress Tolerance in Lager Yeast: Roles of the Cell Wall and Membrane. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:12538-12548. [PMID: 37578164 DOI: 10.1021/acs.jafc.3c03793] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
High concentrations of ethanol could cause intracellular oxidative stress in yeast, which can lead to ethanol-oxidation cross-stress. Antioxidant dipeptides are effective in maintaining cell viability and stress tolerance under ethanol-oxidation cross-stress. In this study, we sought to elucidate how antioxidant dipeptides affect the yeast cell wall and membrane defense systems to enhance stress tolerance. Results showed that antioxidant dipeptide supplementation reduced cell leakage of nucleic acids and proteins by changing cell wall components under ethanol-oxidation cross-stress. Antioxidant dipeptides positively modulated the cell wall integrity pathway and up-regulated the expression of key genes. Antioxidant dipeptides also improved the cell membrane integrity by increasing the proportion of unsaturated fatty acids and regulating the expression of key fatty acid synthesis genes. Moreover, the addition of antioxidant dipeptides significantly (p < 0.05) increased the content of ergosterol. Ala-His (AH) supplementation caused the highest content of ergosterol, with an increase of 23.68 ± 0.01% compared to the control, followed by Phe-Cys (FC) and Thr-Tyr (TY). These results revealed that the improvement of the cell wall and membrane functions of antioxidant dipeptides was responsible for enhancing the ethanol-oxidation cross-stress tolerance of yeast.
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Affiliation(s)
- Caiyun Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Li Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Mengmeng Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Xiaolan Jike
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Hexin Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Nana Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Huirong Yang
- College of Food Science and Technology, Southwest Minzu University, Chengdu 610041, China
| | - Huaide Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
| | - Hongjie Lei
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
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Jin Z, Vighi A, Dong Y, Bureau JA, Ignea C. Engineering membrane architecture for biotechnological applications. Biotechnol Adv 2023; 64:108118. [PMID: 36773706 DOI: 10.1016/j.biotechadv.2023.108118] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
Cellular membranes, predominantly described as a dynamic bilayer, are composed of different lipids, transmembrane proteins, and carbohydrates. Most research on biological membranes focuses on the identification, characterization, and mechanistic aspects of their different components. These studies provide a fundamental understanding of membrane structure, function, and dynamics, establishing a basis for the development of membrane engineering strategies. To date, approaches in this field concentrate on membrane adaptation to harsh conditions during industrial fermentation, which can be caused by temperature, osmotic, or organic solvent stress. With advances in the field of metabolic engineering and synthetic biology, recent breakthroughs include proof of concept microbial production of essential medicines, such as cannabinoids and vinblastine. However, long pathways, low yields, and host adaptation continue to pose challenges to the efficient scale up production of many important compounds. The lipid bilayer is profoundly linked to the activity of heterologous membrane-bound enzymes and transport of metabolites. Therefore, strategies for improving enzyme performance, facilitating pathway reconstruction, and enabling storage of products to increase the yields directly involve cellular membranes. At the forefront of membrane engineering research are re-emerging approaches in lipid research and synthetic biology that manipulate membrane size and composition and target lipid profiles across species. This review summarizes engineering strategies applied to cellular membranes and discusses the challenges and future perspectives, particularly with regards to their applications in host engineering and bioproduction.
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Affiliation(s)
- Zimo Jin
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0E9, Canada
| | - Asia Vighi
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0E9, Canada
| | - Yueming Dong
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0E9, Canada
| | | | - Codruta Ignea
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0E9, Canada.
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Kang X, Zhang J, Xu Y, Zhang X, Cui F, Li H. Knocking-out ARO80 promotes the intracellular ROS accumulation through weakening MAPK pathway of Saccharomyces cerevisiae. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.117507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ferraz L, Sauer M, Sousa MJ, Branduardi P. The Plasma Membrane at the Cornerstone Between Flexibility and Adaptability: Implications for Saccharomyces cerevisiae as a Cell Factory. Front Microbiol 2021; 12:715891. [PMID: 34434179 PMCID: PMC8381377 DOI: 10.3389/fmicb.2021.715891] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 07/19/2021] [Indexed: 11/23/2022] Open
Abstract
In the last decade, microbial-based biotechnological processes are paving the way toward sustainability as they implemented the use of renewable feedstocks. Nonetheless, the viability and competitiveness of these processes are often limited due to harsh conditions such as: the presence of feedstock-derived inhibitors including weak acids, non-uniform nature of the substrates, osmotic pressure, high temperature, extreme pH. These factors are detrimental for microbial cell factories as a whole, but more specifically the impact on the cell’s membrane is often overlooked. The plasma membrane is a complex system involved in major biological processes, including establishing and maintaining transmembrane gradients, controlling uptake and secretion, intercellular and intracellular communication, cell to cell recognition and cell’s physical protection. Therefore, when designing strategies for the development of versatile, robust and efficient cell factories ready to tackle the harshness of industrial processes while delivering high values of yield, titer and productivity, the plasma membrane has to be considered. Plasma membrane composition comprises diverse macromolecules and it is not constant, as cells adapt it according to the surrounding environment. Remarkably, membrane-specific traits are emerging properties of the system and therefore it is not trivial to predict which membrane composition is advantageous under certain conditions. This review includes an overview of membrane engineering strategies applied to Saccharomyces cerevisiae to enhance its fitness under industrially relevant conditions as well as strategies to increase microbial production of the metabolites of interest.
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Affiliation(s)
- Luís Ferraz
- Center of Molecular and Environmental Biology, University of Minho, Braga, Portugal.,Department of Biotechnology and Biosciences, University of Milano Bicocca, Milan, Italy
| | - Michael Sauer
- Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, BOKU University of Natural Resources and Life Sciences, Vienna, Austria
| | - Maria João Sousa
- Center of Molecular and Environmental Biology, University of Minho, Braga, Portugal
| | - Paola Branduardi
- Department of Biotechnology and Biosciences, University of Milano Bicocca, Milan, Italy
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Wang L, Wang R, Zhan J, Huang W. High levels of copper retard the growth of
Saccharomyces cerevisiae
by altering cellular morphology and reducing its potential for ethanolic fermentation. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14903] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Lihua Wang
- Beijing Key Laboratory of Viticulture and Enology College of Food Science and Nutritional Engineering China Agricultural University Tsinghua East Road 17, Haidian District Beijing100083China
| | - Ronghua Wang
- Beijing Key Laboratory of Viticulture and Enology College of Food Science and Nutritional Engineering China Agricultural University Tsinghua East Road 17, Haidian District Beijing100083China
| | - Jicheng Zhan
- Beijing Key Laboratory of Viticulture and Enology College of Food Science and Nutritional Engineering China Agricultural University Tsinghua East Road 17, Haidian District Beijing100083China
| | - Weidong Huang
- Beijing Key Laboratory of Viticulture and Enology College of Food Science and Nutritional Engineering China Agricultural University Tsinghua East Road 17, Haidian District Beijing100083China
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Beaussart A, El-Kirat-Chatel S. Microbial adhesion and ultrastructure from the single-molecule to the single-cell levels by Atomic Force Microscopy. Cell Surf 2019; 5:100031. [PMID: 32743147 PMCID: PMC7389263 DOI: 10.1016/j.tcsw.2019.100031] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 07/04/2019] [Accepted: 07/05/2019] [Indexed: 12/29/2022] Open
Abstract
In the last decades, atomic force microscopy (AFM) has evolved towards an accurate and lasting tool to study the surface of living cells in physiological conditions. Through imaging, single-molecule force spectroscopy and single-cell force spectroscopy modes, AFM allows to decipher at multiple scales the morphology and the molecular interactions taking place at the cell surface. Applied to microbiology, these approaches have been used to elucidate biophysical properties of biomolecules and to directly link the molecular structures to their function. In this review, we describe the main methods developed for AFM-based microbial surface analysis that we illustrate with examples of molecular mechanisms unravelled with unprecedented resolution.
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