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Perri M, Licausi F. Thiol dioxygenases: from structures to functions. Trends Biochem Sci 2024; 49:545-556. [PMID: 38622038 DOI: 10.1016/j.tibs.2024.03.007] [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: 11/18/2023] [Revised: 03/07/2024] [Accepted: 03/15/2024] [Indexed: 04/17/2024]
Abstract
Thiol oxidation to dioxygenated sulfinic acid is catalyzed by an enzyme family characterized by a cupin fold. These proteins act on free thiol-containing molecules to generate central metabolism precursors and signaling compounds in bacteria, fungi, and animal cells. In plants and animals, they also oxidize exposed N-cysteinyl residues, directing proteins to proteolysis. Enzyme kinetics, X-ray crystallography, and spectroscopy studies prompted the formulation and testing of hypotheses about the mechanism of action and the different substrate specificity of these enzymes. Concomitantly, the physiological role of thiol dioxygenation in prokaryotes and eukaryotes has been studied through genetic and physiological approaches. Further structural characterization is necessary to enable precise and safe manipulation of thiol dioxygenases (TDOs) for therapeutic, industrial, and agricultural applications.
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Affiliation(s)
- Monica Perri
- Plant Molecular Biology Section, Department of Biology, University of Oxford, Oxford, UK
| | - Francesco Licausi
- Plant Molecular Biology Section, Department of Biology, University of Oxford, Oxford, UK.
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Zheng Z, Liu H, Luo X, Liu R, Joe AD, Li H, Sun H, Lin Y, Li Y, Wang Y. Comparative transcriptome analysis provides insights into the resistance regulation mechanism and inhibitory effect of fungicide phenamacril in Fusarium asiaticum. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 201:105848. [PMID: 38685210 DOI: 10.1016/j.pestbp.2024.105848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 03/02/2024] [Accepted: 03/03/2024] [Indexed: 05/02/2024]
Abstract
Fusarium asiaticum is a destructive phytopathogenic fungus that causes Fusarium head blight of wheat (FHB), leading to serious yield and economic losses to cereal crops worldwide. Our previous studies indicated that target-site mutations (K216R/E, S217P/L, or E420K/G/D) of Type I myosin FaMyo5 conferred high resistance to phenamacril. Here, we first constructed one sensitive strain H1S and three point mutation resistant strains HA, HC and H1R. Then we conducted comparative transcriptome analysis of these F. asiaticum strains after 1 and 10 μg·mL-1 phenamacril treatment. Results indicated that 2135 genes were differentially expressed (DEGs) among the sensitive and resistant strains. The DEGs encoding ammonium transporter MEP1/MEP2, nitrate reductase, copper amine oxidase 1, 4-aminobutyrate aminotransferase, amino-acid permease inda1, succinate-semialdehyde dehydrogenase, 2, 3-dihydroxybenzoic acid decarboxylase, etc., were significantly up-regulated in all the phenamacril-resistant strains. Compared to the control group, a total of 1778 and 2097 DEGs were identified in these strains after 1 and 10 μg·mL-1 phenamacril treatment, respectively. These DEGs involved in 4-aminobutyrate aminotransferase, chitin synthase 1, multiprotein-bridging factor 1, transcriptional regulatory protein pro-1, amino-acid permease inda1, ATP-dependent RNA helicase DED1, acetyl-coenzyme A synthetase, sarcoplasmic/endoplasmic reticulum calcium ATPase 2, etc., showed significantly down-regulated expression in phenamacril-sensitive strain but not in resistant strains after phenamacril treatment. In addition, cyanide hydratase, mating-type protein MAT-1, putative purine nucleoside permease, plasma membrane protein yro2, etc., showed significantly co-down-regulated expression in all the strains after phenamacril treatment. Taken together, This study provides deep insights into the resistance regulation mechanism and the inhibitory effect of fungicide phenamacril and these new annotated proteins or enzymes are worth for the discovery of new fungicide targets.
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Affiliation(s)
- Zhitian Zheng
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China.
| | - Huaqi Liu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China; State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Xiao Luo
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Runze Liu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Alexander Dumbi Joe
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Haolin Li
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Haiyan Sun
- Institute of Plant Protection, Jiangsu Academy of Agricultural Science, Nanjng 210014, China
| | - Yanling Lin
- Jiangsu GOOD HARVEST-WEIEN Agrochemical Co., Ltd, Beijing 101318, China
| | - Yanzhong Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China.
| | - Yunpeng Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China.
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Mandal M, Roy A, Das S, Rakwal R, Agrawal GK, Singh P, Awasthi A, Sarkar A. Food waste-based bio-fertilizers production by bio-based fermenters and their potential impact on the environment. CHEMOSPHERE 2024; 353:141539. [PMID: 38417498 DOI: 10.1016/j.chemosphere.2024.141539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 02/01/2024] [Accepted: 02/23/2024] [Indexed: 03/01/2024]
Abstract
Increasing food waste is creating a global waste (and management) crisis. Globally, ∼1.6 billion tons of food is wasted annually, worth ∼$1.2 trillion. By reducing this waste or by turning it into valuable products, numerous economic advantages can be realized, including improved food security, lower production costs, biodegradable products, environmental sustainability, and cleaner solutions to the growing world's waste and garbage management. The appropriate handling of these detrimental materials can significantly reduce the risks to human health. Food waste is available in biodegradable forms and, with the potential to speed up microbial metabolism effectively, has immense potential in improving bio-based fertilizer generation. Synthetic inorganic fertilizers severely affect human health, the environment, and soil fertility, thus requiring immediate consideration. To address these problems, agricultural farming is moving towards manufacturing bio-based fertilizers via utilizing natural bioresources. Food waste-based bio-fertilizers could help increase yields, nutrients, and organic matter and mitigate synthetic fertilizers' adverse effects. These are presented and discussed in the review.
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Affiliation(s)
- Mamun Mandal
- Laboratory of Applied Stress Biology, Department of Botany, University of Gour Banga, Malda, 732 103, West Bengal, India
| | - Anamika Roy
- Laboratory of Applied Stress Biology, Department of Botany, University of Gour Banga, Malda, 732 103, West Bengal, India
| | - Sujit Das
- Laboratory of Applied Stress Biology, Department of Botany, University of Gour Banga, Malda, 732 103, West Bengal, India
| | - Randeep Rakwal
- Institute of Health and Sport Sciences, Global Sport Innovation Bldg., Room 403, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8574, Japan; GRADE Academy (Pvt.) Ltd., Birgunj, Nepal
| | | | - Pardeep Singh
- Department of Environmental Studies, PGDAV College, University of Delhi, New Delhi, 110065, India
| | - Amit Awasthi
- Department of Applied Sciences, University of Petroleum and Energy Studies, Dehradun, India
| | - Abhijit Sarkar
- Laboratory of Applied Stress Biology, Department of Botany, University of Gour Banga, Malda, 732 103, West Bengal, India.
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Nalivaiko EY, Vasseur CM, Seebeck FP. Enzyme-Catalyzed Oxidative Degradation of Ergothioneine. Angew Chem Int Ed Engl 2024; 63:e202318445. [PMID: 38095354 DOI: 10.1002/anie.202318445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Indexed: 01/13/2024]
Abstract
Ergothioneine is a sulfur-containing metabolite that is produced by bacteria and fungi, and is absorbed by plants and animals as a micronutrient. Ergothioneine reacts with harmful oxidants, including singlet oxygen and hydrogen peroxide, and may therefore protect cells against oxidative stress. Herein we describe two enzymes from actinobacteria that cooperate in the specific oxidative degradation of ergothioneine. The first enzyme is an iron-dependent thiol dioxygenase that produces ergothioneine sulfinic acid. A crystal structure of ergothioneine dioxygenase from Thermocatellispora tengchongensis reveals many similarities with cysteine dioxygenases, suggesting that the two enzymes share a common mechanism. The second enzyme is a metal-dependent ergothioneine sulfinic acid desulfinase that produces Nα-trimethylhistidine and SO2 . The discovery that certain actinobacteria contain the enzymatic machinery for O2 -dependent biosynthesis and O2 -dependent degradation of ergothioneine indicates that these organisms may actively manage their ergothioneine content.
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Affiliation(s)
- Egor Y Nalivaiko
- Department of Chemistry, University of Basel, Mattenstrasse 22, 4002, Basel, Switzerland
| | - Camille M Vasseur
- Department of Chemistry, University of Basel, Mattenstrasse 22, 4002, Basel, Switzerland
| | - Florian P Seebeck
- Department of Chemistry, University of Basel, Mattenstrasse 22, 4002, Basel, Switzerland
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Li Q. Perspectives on Converting Keratin-Containing Wastes Into Biofertilizers for Sustainable Agriculture. Front Microbiol 2022; 13:918262. [PMID: 35794912 PMCID: PMC9251476 DOI: 10.3389/fmicb.2022.918262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/23/2022] [Indexed: 12/04/2022] Open
Abstract
Keratin-containing wastes become pollution to the environment if they are not treated properly. On the other hand, these wastes can be converted into value-added products applicable to many fields. Organic fertilizers and biofertilizers are important for sustainable agriculture by providing nutrients to enhance the growth speed of the plant and production. Keratin-containing wastes, therefore, will be an important resource to produce organic fertilizers. Many microorganisms exhibit capabilities to degrade keratins making them attractive to convert keratin-containing wastes into valuable products. In this review, the progress in microbial degradation of keratins is summarized. In addition, perspectives in converting keratin into bio- and organic fertilizers for agriculture are described. With proper treatment, feather wastes which are rich in keratin can be converted into high-value fertilizers to serve as nutrients for plants, reduce environmental pressure and improve the quality of the soil for sustainable agriculture.
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Li Q. Structure, Application, and Biochemistry of Microbial Keratinases. Front Microbiol 2021; 12:674345. [PMID: 34248885 PMCID: PMC8260994 DOI: 10.3389/fmicb.2021.674345] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/17/2021] [Indexed: 12/17/2022] Open
Abstract
Keratinases belong to a class of proteases that are able to degrade keratins into amino acids. Microbial keratinases play important roles in turning keratin-containing wastes into value-added products by participating in the degradation of keratin. Keratin is found in human and animal hard tissues, and its complicated structures make it resistant to degradation by common proteases. Although breaking disulfide bonds are involved in keratin degradation, keratinase is responsible for the cleavage of peptides, making it attractive in pharmaceutical and feather industries. Keratinase can serve as an important tool to convert keratin-rich wastes such as feathers from poultry industry into diverse products applicable to many fields. Despite of some progress made in isolating keratinase-producing microorganisms, structural studies of keratinases, and biochemical characterization of these enzymes, effort is still required to expand the biotechnological application of keratinase in diverse fields by identifying more keratinases, understanding the mechanism of action and constructing more active enzymes through molecular biology and protein engineering. Herein, this review covers structures, applications, biochemistry of microbial keratinases, and strategies to improve its efficiency in keratin degradation.
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Affiliation(s)
- Qingxin Li
- Guangdong Provincial Engineering Laboratory of Biomass High Value Utilization, Institute of Bioengineering, Guangdong Academy of Sciences, Guangzhou, China
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