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Lin L, Zhang T, Xu J. Genetic and Environmental Factors Influencing the Production of Select Fungal Colorants: Challenges and Opportunities in Industrial Applications. J Fungi (Basel) 2023; 9:jof9050585. [PMID: 37233296 DOI: 10.3390/jof9050585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/03/2023] [Accepted: 05/15/2023] [Indexed: 05/27/2023] Open
Abstract
Natural colorants, mostly of plant and fungal origins, offer advantages over chemically synthetic colorants in terms of alleviating environmental pollution and promoting human health. The market value of natural colorants has been increasing significantly across the globe. Due to the ease of artificially culturing most fungi in the laboratory and in industrial settings, fungi have emerged as the organisms of choice for producing many natural colorants. Indeed, there is a wide variety of colorful fungi and a diversity in the structure and bioactivity of fungal colorants. Such broad diversities have spurred significant research efforts in fungi to search for natural alternatives to synthetic colorants. Here, we review recent research on the genetic and environmental factors influencing the production of three major types of natural fungal colorants: carotenoids, melanins, and polyketide-derived colorants. We highlight how molecular genetic studies and environmental condition manipulations are helping to overcome some of the challenges associated with value-added and large-scale productions of these colorants. We finish by discussing potential future trends, including synthetic biology approaches, in the commercial production of fungal colorants.
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Affiliation(s)
- Lan Lin
- Key Laboratory of Developmental Genes and Human Diseases (MOE), School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Tong Zhang
- Department of Bioengineering, Medical School, Southeast University, Nanjing 210009, China
| | - Jianping Xu
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
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2
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Zhang FL, Yuan S, Dong PY, Ma HH, De Felici M, Shen W, Zhang XF. Multi-omics analysis reveals that iron deficiency impairs spermatogenesis by gut-hormone synthesis axis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 248:114344. [PMID: 36455349 DOI: 10.1016/j.ecoenv.2022.114344] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/22/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Considering that research has mainly focussed on how excessive iron supplementation leads to reproductive cytotoxicity, there is a lack of in-depth research on reproductive system disorders caused by iron deficiency. To gain a better understanding of the effects of iron deficiency on the reproductive system, especially spermatogenesis, we first constructed a mouse model of iron deficiency. We employed multi-omic analysis, including transcriptomics, metabolomics, and microbiomics, to comprehensively dissect the impact of iron deficiency on spermatogenesis. Moreover, we verified our findings in detail using western blot, immunofluorescence, immunohistochemistry, qRT-PCR and other techniques. Microbiomic analysis revealed altered gut microbiota in iron-deficient mice, and functional predictive analysis showed that gut microbiota can regulate spermatogenesis. The transcriptomic data indicated that iron deficiency directly alters expression of meiosis-related genes. Transcriptome data also revealed that iron deficiency indirectly regulates spermatogenesis by affecting hormone synthesis, findings confirmed by metabolomic data, western blot and immunofluorescence. Interestingly, competing endogenous RNA networks also play a vital role in regulating spermatogenesis after iron deficiency. Taken together, the data elucidate that iron deficiency impairs spermatogenesis and increases the risk of male infertility by affecting hormone synthesis and promoting gut microbiota imbalance.
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Affiliation(s)
- Fa-Li Zhang
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China; College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Shuai Yuan
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Pei-Yu Dong
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Hao-Hai Ma
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Massimo De Felici
- Department of Biomedicine and Prevention, University of Rome 'Tor Vergata', Rome 00133, Italy
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Xi-Feng Zhang
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China.
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Liu R, Meng X, Mo C, Wei X, Ma A. Melanin of fungi: from classification to application. World J Microbiol Biotechnol 2022; 38:228. [PMID: 36149606 DOI: 10.1007/s11274-022-03415-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/11/2022] [Indexed: 11/25/2022]
Abstract
Melanin is a secondary metabolite composed of complex heterogeneous polymers. Fungal melanin is considered to be a sustainable and biodegradable natural pigment and has a variety of functional properties and biological activities. On one hand, due to its own specific properties it can play the role of antioxidant, anti-radiation, adsorption, and photoprotection. On the other hand, it has good biological activities such as hepatoprotective effect, hypolipidemic effect and anti-cancer. Therefore, it is widely used in various fields of daily life, including dyeing, food, biomedical and commercial industry. It is conducive to environmental protection and human health. However, the insolubility of fungal melanin in water, acids and organic solvents has been an obstacle to its commercial applications. Thus, the chemical modification methods of fungal melanin are summarized to increase its solubility and expand the application fields. Although fungal melanin has been used in many industries, as the structure and function of fungal melanin and modified melanin are further studied, more functional properties and bioactivities are expected to be discovered for a wide range of applications in the future.
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Affiliation(s)
- Ruofan Liu
- College of Food Science and Technology, Huazhong Agricultural University, 430070, Wuhan, China
| | - Xianfu Meng
- College of Food Science and Technology, Huazhong Agricultural University, 430070, Wuhan, China
| | - Cuiyuan Mo
- College of Food Science and Technology, Huazhong Agricultural University, 430070, Wuhan, China
| | - Xuetuan Wei
- College of Food Science and Technology, Huazhong Agricultural University, 430070, Wuhan, China
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, 430070, Wuhan, China
| | - Aimin Ma
- College of Food Science and Technology, Huazhong Agricultural University, 430070, Wuhan, China.
- Key Laboratory of Agro-Microbial Resources and Utilization, Ministry of Agriculture, 430070, Wuhan, China.
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Gao L, Liu L, Liu P, Zhao Y, Zhang S, Xu H. Preparation and related properties of melanin iron supplement. Food Funct 2022; 13:4009-4022. [PMID: 35315843 DOI: 10.1039/d1fo03293c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, BM-Fe (black sesame melanin-iron complex) was prepared and characterized. The results showed that the carboxyl hydroxyl group of BSM (black sesame melanin) participated in the chelation of iron ions. EDS (energy dispersive spectroscopy) and XPS (X-ray photoelectron spectroscopy) results confirmed the presence of iron ions in BM-Fe. The results of DLS (dynamic light scattering) showed that the average particle sizes of BSM and BM-Fe were 844.9 nm and 294.3 nm, respectively, indicating that the structure of BM-Fe with a smaller particle size was formed after the binding of iron ions with the active group on BSM. Finally, the in vitro iron dissolution, iron ion identification, in vitro iron ion reduction, antioxidant activity, cytotoxicity and moisture resistance properties of BM-Fe and FST (ferrous sulfate tablets, a commonly used iron supplement) were comprehensively compared. The results showed that BSM combined with iron instead of physically mixing, and BM-Fe was easily reduced in the gastrointestinal environment. BM-Fe had good bioavailability and retained the excellent characteristics (such as oxidation resistance and biocompatibility) of BSM, and had the potential to be applied in the treatment of iron-deficiency-related diseases. In summary, BM-Fe prepared in this study not only retained the excellent characteristics of BSM but also had a good effect on iron supplementation, high bioavailability and low side effects. Comprehensive analysis showed that the performance of BM-Fe prepared in this study was similar to or even better than that of the control (FST). Thus, BM-Fe is expected to become a new comprehensive multi-functional iron supplement and has a broad developmental prospect.
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Affiliation(s)
- Li Gao
- School of Chemical Engineering and Technology, North University of China, Taiyuan, Shanxi, 030051, China.,School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Linlin Liu
- School of Chemical Engineering and Technology, North University of China, Taiyuan, Shanxi, 030051, China
| | - Panpan Liu
- School of Chemical Engineering and Technology, North University of China, Taiyuan, Shanxi, 030051, China
| | - Yinghu Zhao
- School of Environment and Safety Engineering, North University of China, Taiyuan, Shanxi, 030051, China.
| | - Shuli Zhang
- School of Chemical Engineering and Technology, North University of China, Taiyuan, Shanxi, 030051, China
| | - Hongyu Xu
- School of Chemical Engineering and Technology, North University of China, Taiyuan, Shanxi, 030051, China
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Gao L, Yang L, Guo L, Wang H, Zhao Y, Xie J, Shi N. Improving the solubility of melanin nanoparticles from apricot kernels is a potent drug delivery system. J Appl Biomater Funct Mater 2022; 20:22808000221124418. [DOI: 10.1177/22808000221124418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Melanin can be used in biomedical nanomaterials, but its solubility in water and bioavailability are low. Aim: Melanin nanoparticles were prepared and then PEG-natural melanin nanoparticles (NMNP-PEG) were obtained with good performance and optimize their (water solubility, dispersion stability, chelating metal ions, photothermal stability, drug delivery, and biocompatibility), therefore improve the water solubility of melanin and broaden its application scope in biology, medicine, food, and other fields. Methods: MFAK (melanin from apricot kernels) and NMNP-PEG were prepared and characterized using ultraviolet-visible spectrophotometry (UV-Vis), high-performance liquid chromatography (HPLC), Fourier-transform infrared spectroscopy (FTIR), 1H nuclear magnetic resonance (NMR), and electron microscopy. The chelation rate of metal ions, photothermal effect, doxorubicin loading, and cytotoxicity (MCF-7 cells) were examined. Results: UV-Vis, HPLC, FTIR, and NMR indicated that NMNPs contained melanin. NMNPs could be successfully modified using PEG. Under physiological pH conditions (pH 7.4), the metal ion chelation rate of NMNP-PEG increased with time and peaked at 12 h. The photothermal assay showed a temperature enhancement of 26.3°C with 1 mg/mL NMNP-PEG, compared with 1.9℃ with water. The NMNP-PEGs had a typical peak for doxorubicin in the FTIR spectrum, and the peak intensity was proportional to the drug loading. The release of doxorubicin in an acidic buffer was 40.8% at 24 h, almost threefold that in a neutral buffer (11.9%). There was no obvious cytotoxicity from NMNP-PEG. Conclusion: NMNP-PEG displays good stability, high metal ion chelation ability, efficient photothermal conversion potential, drug-retaining capability, sustained controlled drug release, and biocompatibility. This study provides a theoretical basis for NMNP-PEG applications in medicine (targeting specific sites to diagnose and treat diseases), food (extending the shelf life of food), and biology (as metal ion chelating agents to remove heavy metals from wastewater).
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Affiliation(s)
- Li Gao
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Liu Yang
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
| | - Lixiao Guo
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
| | - Haibin Wang
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
| | - Yinghu Zhao
- School of Environment and Safety Engineering, North University of China, Taiyuan, Shanxi, China
| | - Jun Xie
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Nan Shi
- School of Chemistry and Chemical Engineering, North University of China, Taiyuan, Shanxi, China
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Esen Ağar B, Akarsu S, Aydin S. The Effect of Iron Deficiency Anemia and Different Treatment Methods on DNA Damage: 8-hydroxy-2-deoxyguanosine Level. Glob Pediatr Health 2021; 8:2333794X211041337. [PMID: 34458503 PMCID: PMC8392811 DOI: 10.1177/2333794x211041337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022] Open
Abstract
Ionic iron causes damages at the cellular level by forming free radicals. Reactive oxygen species lead to the formation of oxidative base damages in DNA. Among these forms the most common one and the one which has the best known mutagenity is 8-hydroxy-2′-deoxyguanosine (8-OHdG). We aimed to determine iron deficiency anemia (IDA) and its different forms of treatments; probable oxidative damage on DNA by looking at the level of 8-OHdG. The patients were divided into 4 subgroups: Oral treatment (p.o.) group; Intramuscular treatment (i.m.) group; Intravenous treatment (i.v.) group; Healthy control group. Blood and urine samples were taken from all patients totally 4 times. 8-OHdG levels detected in blood and urine samples were compared with the control group. IDA and the treatment of it affect the level of 8-OHdG. p.o. therapy should be the top priority on children.
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Affiliation(s)
- Buket Esen Ağar
- Doctor, Firat University Faculty of Medicine, Department of Pediatrics, Elazig, Turkey
| | - Saadet Akarsu
- Professor, Firat University Faculty of Medicine, Division of Pediatric Hematology, Elazig, Turkey
| | - Süleyman Aydin
- Professor, Firat University Faculty of Medicine, Department of Biochemistry, Elazig, Turkey
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Liu H, Yang Y, Liu Y, Pan J, Wang J, Man F, Zhang W, Liu G. Melanin-Like Nanomaterials for Advanced Biomedical Applications: A Versatile Platform with Extraordinary Promise. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1903129. [PMID: 32274309 PMCID: PMC7141020 DOI: 10.1002/advs.201903129] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 12/31/2019] [Indexed: 05/03/2023]
Abstract
Developing efficient, sustainable, and biocompatible high-tech nanoplatforms derived from naturally existing components in living organisms is highly beneficial for diverse advanced biomedical applications. Melanins are nontoxic natural biopolymers owning widespread distribution in various biosystems, possessing fascinating physicochemical properties and playing significant physiological roles. The multifunctionality together with intrinsic biocompatibility renders bioinspired melanin-like nanomaterials considerably promising as a versatile and powerful nanoplatform with broad bioapplication prospects. This panoramic Review starts with an overview of the fundamental physicochemical properties, preparation methods, and polymerization mechanisms of melanins. A systematical and well-bedded description of recent advancements of melanin-like nanomaterials regarding diverse biomedical applications is then given, mainly focusing on biological imaging, photothermal therapy, drug delivery for tumor treatment, and other emerging biomedicine-related implementations. Finally, current challenges toward clinical translation with an emphasis on innovative design strategies and future striving directions are rationally discussed. This comprehensive and detailed Review provides a deep understanding of the current research status of melanin-like nanomaterials and is expected to motivate further optimization of the design of novel tailorable and marketable multifunctional nanoplatforms in biomedicine.
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Affiliation(s)
- Heng Liu
- Department of RadiologyPLA Rocket Force Characteristic Medical CenterBeijing100088China
- Department of RadiologyDaping HospitalArmy Medical UniversityChongqing400042China
| | - Youyuan Yang
- Department of RadiologyDaping HospitalArmy Medical UniversityChongqing400042China
| | - Yu Liu
- Department of UltrasoundThe First Affiliated HospitalArmy Medical UniversityChongqing400038China
| | - Jingjing Pan
- Department of RadiologyPLA Rocket Force Characteristic Medical CenterBeijing100088China
| | - Junqing Wang
- School of Pharmaceutical Sciences (Shenzhen)Sun Yat‐sen UniversityGuangzhou510275China
| | - Fengyuan Man
- Department of RadiologyPLA Rocket Force Characteristic Medical CenterBeijing100088China
| | - Weiguo Zhang
- Department of RadiologyDaping HospitalArmy Medical UniversityChongqing400042China
- Chongqing Clinical Research Center for Imaging and Nuclear MedicineChongqing400042China
| | - Gang Liu
- Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
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Antibacterial activity and a membrane damage mechanism of Lachnum YM30 melanin against Vibrio parahaemolyticus and Staphylococcus aureus. Food Control 2017. [DOI: 10.1016/j.foodcont.2016.10.048] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Structure Characterization and Lead Detoxification Effect of Carboxymethylated Melanin Derived from Lachnum Sp. Appl Biochem Biotechnol 2017; 182:669-686. [DOI: 10.1007/s12010-016-2353-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Accepted: 11/28/2016] [Indexed: 10/20/2022]
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