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Liang Y, Dai D, Chang WQ, Wang Y, Zhang ZH, Li D, Zhang B, Li Y. Biological Characteristics, Domesticated Cultivation Protocol, Antioxidant Activity, and Protective Effects against Cellular Oxidative Stress of an Underutilized Medicinal Mushroom: Fomitopsis palustris. J Fungi (Basel) 2024; 10:380. [PMID: 38921365 PMCID: PMC11205097 DOI: 10.3390/jof10060380] [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: 04/29/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 06/27/2024] Open
Abstract
Brown-rot fungus is one of the important medicinal mushrooms, which include some species within the genus Fomitopsis. This study identified wild macrofungi collected from a broad-leaved tree in Liaoning Province as Fomitopsis palustris using both morphological and molecular methods. To elucidate the potential medicinal and economic value of F. palustris, we conducted single-factor and orthogonal tests to optimize its mycelium culture conditions. Subsequently, we completed liquid culture and domestic cultivation based on these findings. Furthermore, crude polysaccharides were extracted from the cultivated fruiting bodies of F. palustris and their antioxidant activity was evaluated using chemical methods and cell-based models. The results showed that the optimal culture conditions for F. palustris mycelium were glucose as the carbon source, yeast extract powder as the nitrogen source, pH 6.0, and a temperature of 35 °C. Moreover, temperature was found to have the most significant impact on mycelial growth. The liquid strains were fermented for 6 days and then inoculated into a cultivation substrate composed of broadleaf sawdust, resulting in mature fruiting bodies in approximately 60 days. The crude polysaccharides extracted from the cultivated fruiting bodies of F. palustris (FPPs) possess in vitro scavenging abilities against DPPH radicals and OH radicals, as well as a certain ferric-reducing antioxidant power. Additionally, FPPs effectively mitigated H2O2-induced oxidative stress in RAW264.7cells by enhancing the intracellular activity of antioxidant enzymes such as SOD and CAT, scavenging excess ROS, and reducing MDA levels. This study provides preliminarily evidence of the potential medicinal and economic value of F. palustris and offers initial data for the future development and utilization of this species.
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Affiliation(s)
- Yi Liang
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Dan Dai
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
- Institute of Agricultural Applied Microbiology, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Wan-Qiu Chang
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yang Wang
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China
| | - Zhen-Hao Zhang
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Dan Li
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Bo Zhang
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yu Li
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
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Dwivedi S, Yadav K, Gupta S, Tanveer A, Yadav S, Yadav D. Fungal pectinases: an insight into production, innovations and applications. World J Microbiol Biotechnol 2023; 39:305. [PMID: 37691054 DOI: 10.1007/s11274-023-03741-x] [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: 06/10/2023] [Accepted: 08/25/2023] [Indexed: 09/12/2023]
Abstract
The fungal system holds morphological plasticity and metabolic versatility which makes it unique. Fungal habitat ranges from the Arctic region to the fertile mainland, including tropical rainforests, and temperate deserts. They possess a wide range of lifestyles behaving as saprophytic, parasitic, opportunistic, and obligate symbionts. These eukaryotic microbes can survive any living condition and adapt to behave as extremophiles, mesophiles, thermophiles, or even psychrophile organisms. This behaviour has been exploited to yield microbial enzymes which can survive in extreme environments. The cost-effective production, stable catalytic behaviour and ease of genetic manipulation make them prominent sources of several industrially important enzymes. Pectinases are a class of pectin-degrading enzymes that show different mechanisms and substrate specificities to release end products. The pectinase family of enzymes is produced by microbial sources such as bacteria, fungi, actinomycetes, plants, and animals. Fungal pectinases having high specificity for natural sources and higher stabilities and catalytic activities make them promising green catalysts for industrial applications. Pectinases from different microbial sources have been investigated for their industrial applications. However, their relevance in the food and textile industries is remarkable and has been extensively studied. The focus of this review is to provide comprehensive information on the current findings on fungal pectinases targeting diverse sources of fungal strains, their production by fermentation techniques, and a summary of purification strategies. Studies on pectinases regarding innovations comprising bioreactor-based production, immobilization of pectinases, in silico and expression studies, directed evolution, and omics-driven approaches specifically by fungal microbiota have been summarized.
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Affiliation(s)
- Shruti Dwivedi
- Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India
| | - Kanchan Yadav
- Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India
| | - Supriya Gupta
- Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India
| | - Aiman Tanveer
- Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India
| | - Sangeeta Yadav
- Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India
| | - Dinesh Yadav
- Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, Uttar Pradesh, 273009, India.
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Kobayashi N, Wada N, Yokoyama H, Tanaka Y, Suzuki T, Habu N, Konno N. Extracellular enzymes secreted in the mycelial block of Lentinula edodes during hyphal growth. AMB Express 2023; 13:36. [PMID: 37185915 PMCID: PMC10130320 DOI: 10.1186/s13568-023-01547-6] [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: 12/21/2022] [Accepted: 04/16/2023] [Indexed: 05/17/2023] Open
Abstract
Lentinula edodes (shiitake mushroom) is one of the most widely cultivated edible mushrooms and is primarily cultivated using sawdust medium. While there have been improvements in the cultivation technology, the mechanism of mycelial block cultivation, such as mycelial growth and enzymatic sawdust degradation, has not been clarified. In this study, the mycelium was elongated longitudinally in the bottle sawdust culture for 27 days, and the cultivated sawdust medium was divided into three sections (top, middle, and bottom parts). To determine spatial heterogeneity in the enzyme secretion, the enzymatic activities of each part were analyzed. Lignocellulose degradation enzymes, such as endoglucanase, xylanase, and manganese peroxidase were highly secreted in the top part of the medium. On the other hand, amylase, pectinase, fungal cell wall degradation enzyme (β-1,3-glucanase, β-1,6-glucanase, and chitinase), and laccase activities were higher in the bottom part. The results indicate that the principal sawdust degradation occurs after mycelial colonization. Proteins with the laccase activity were purified from the bottom part of the medium, and three laccases, Lcc5, Lcc6 and Lcc13, were identified. In particular, the expression of Lcc13 gene was higher in the bottom part compared with the level in the top part, suggesting Lcc13 is mainly produced from the tip region and have important roles for mycelial spread and nutrient uptake during early stage of cultivation.
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Affiliation(s)
- Nanae Kobayashi
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
- Graduate School of Regional Development and Creativity, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
| | - Nagisa Wada
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
- Graduate School of Regional Development and Creativity, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
| | - Haruna Yokoyama
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
- Graduate School of Regional Development and Creativity, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
| | - Yuki Tanaka
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
| | - Tomohiro Suzuki
- Graduate School of Regional Development and Creativity, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
| | - Naoto Habu
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
- Graduate School of Regional Development and Creativity, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan
| | - Naotake Konno
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan.
- Graduate School of Regional Development and Creativity, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan.
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Tochigi, Japan.
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Liu S, Tian L, Cong Y, Shi Q, Wang L, Lu Y, Wang L, Yang G. Recent advances in polygalacturonase: Industrial applications and challenges. Carbohydr Res 2023; 528:108816. [PMID: 37094533 DOI: 10.1016/j.carres.2023.108816] [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: 08/27/2022] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 04/26/2023]
Abstract
This review focuses on the applications of polygalacturonase (PG), one of the most commercially produced enzymes on the biocatalyst market, in the food, beverage, feed, textile, and paper industries. Most PGs are acidic mesophilic enzymes, as shown by a summary of their biochemical properties. However, the acidic PGs discovered to date are insufficiently effective for industrial applications. The sequence and structural characteristics of thermophilic PGs are analyzed based on the results of extensive discussions regarding the catalytic mechanism and structural characteristics of PGs with shared right-handed parallel β-helical structures. In addition, the molecular modification methods for obtaining thermostable PGs are systematically presented. Notably, the demand for alkaline heat-resistant PGs has increased significantly concurrent with the biomanufacturing industry development. Therefore, this review also provides a theoretical guideline for mining heat-resistant PG gene resources and modifying PG thermostability.
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Affiliation(s)
- Siyi Liu
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China
| | - Linfang Tian
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China
| | - Yuting Cong
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China
| | - Qianqian Shi
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China
| | - Lianshun Wang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China
| | - Yanan Lu
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China
| | - Li Wang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China
| | - Guojun Yang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian, 116023, China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian, 116023, China.
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Fujimoto S, Fujimaki K, Suzuki T, Katsuma S, Iwanaga M. Expression and localization of Bombyx mori nucleopolyhedrovirus GP37. Virus Genes 2023; 59:457-463. [PMID: 36913065 DOI: 10.1007/s11262-023-01983-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 02/22/2023] [Indexed: 03/14/2023]
Abstract
Mitochondria play an essential role in intracellular energy metabolism. This study described the involvement of Bombyx mori nucleopolyhedrovirus (BmNPV) GP37 (BmGP37) in host mitochondria. Herein, the proteins associated with host mitochondria isolated from BmNPV-infected or mock-infected cells by two-dimensional gel electrophoresis were compared. One mitochondria-associated protein in virus-infected cells was identified as BmGP37 by liquid chromatography-mass spectrometry analysis. Furthermore, the BmGP37 antibodies were generated, which could react specifically with BmGP37 in the BmNPV-infected BmN cells. Western blot experiments showed that BmGP37 was expressed at 18 h post-infection and was verified as a mitochondria-associated protein. Immunofluorescence analysis demonstrated that BmGP37 localized to the host mitochondria during BmNPV infection. Furthermore, western blot analysis revealed that BmGP37 is a novel component protein of the occlusion-derived virus (ODV) of BmNPV. The present results indicated that BmGP37 is one of the ODV-associated proteins and may have important roles in host mitochondria during BmNPV infection.
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Affiliation(s)
- Shota Fujimoto
- Department of Agrobiology and Bioresources, School of Agriculture, Utsunomiya University, Mine-Machi 350, Utsunomiya-Shi, Tochigi, 321-8505, Japan
| | - Kaito Fujimaki
- Department of Agrobiology and Bioresources, School of Agriculture, Utsunomiya University, Mine-Machi 350, Utsunomiya-Shi, Tochigi, 321-8505, Japan
| | - Tomohiro Suzuki
- Center of Bioscience Research and Education, Utsunomiya University, Mine-Machi 350, Utsunomiya-Shi, Tochigi, 321-8505, Japan
| | - Susumu Katsuma
- Department of Agricultural and Environmental Biology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-Ku, Tokyo, 113-8657, Japan
| | - Masashi Iwanaga
- Department of Agrobiology and Bioresources, School of Agriculture, Utsunomiya University, Mine-Machi 350, Utsunomiya-Shi, Tochigi, 321-8505, Japan.
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Ono A, Suzuki T, Takeshima Y, Kashiwa T, Motoyama T, Choi JH, Sato C, Konno N, Miyakawa H, Ogata M, Hirai H, Dohra H, Osada H, Kawagishi H. CmLec4, a lectin from the fungus Cordyceps militaris, controls host infection and fruiting body formation. Int J Biol Macromol 2022; 215:303-311. [PMID: 35718153 DOI: 10.1016/j.ijbiomac.2022.06.106] [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: 04/22/2022] [Revised: 06/03/2022] [Accepted: 06/13/2022] [Indexed: 11/05/2022]
Abstract
Fungi belonging to the Ascomycete genus Cordyceps are endoparasitoids and parasites, mainly of insects and other arthropods. Cordyceps militaris has been used as a therapeutic drug for cancer patients. However, the infection, parasitism, and fruiting body formation mechanisms of this fungus are still unknown. Based on our hypothesis that lectin(s) is involved in the interaction between the C. militaris fungi and insects, we partially purified and characterized a new lectin from C. militaris, designated CmLec4. In addition, we searched for substance(s) in the infected silkworm extracts that could bind to CmLec4, and succeeded in purifying the sex-specific storage protein 2 as a specific binding target. To examine function of the binding protein during the process of parasitism, we investigated the effect of recombinant CmLec4 on silkworms by inoculating the protein into silkworm pupae, and found that it significantly delayed emergence compared to the control. Furthermore, cmlec4 gene knockout strains constructed in this study produced markedly lower amounts of fruiting body than the wild-type strain. All the results revealed that the lectin CmLec4 produced by C. militaris would be involved in the infection into silkworm and fruiting body formation from the host.
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Affiliation(s)
- Akiko Ono
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan; United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Tomohiro Suzuki
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan.
| | - Yoshino Takeshima
- Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan
| | - Takeshi Kashiwa
- Chemical Biology Research Group, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Takayuki Motoyama
- Chemical Biology Research Group, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Jae-Hoon Choi
- Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan; Research Institute of Green Science and Technology Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan
| | - Chihiro Sato
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan
| | - Naotake Konno
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Hitoshi Miyakawa
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan
| | - Makoto Ogata
- Faculty of Food and Agricultural Sciences, Fukushima University, 1 Kanayagawa, Fukushima, Fukushima 960-1296, Japan
| | - Hirofumi Hirai
- Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan; Research Institute of Green Science and Technology Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan
| | - Hideo Dohra
- Research Institute of Green Science and Technology Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan
| | - Hiroyuki Osada
- Chemical Biology Research Group, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Hirokazu Kawagishi
- Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan; Research Institute of Green Science and Technology Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan.
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Safran J, Habrylo O, Cherkaoui M, Lecomte S, Voxeur A, Pilard S, Bassard S, Pau-Roblot C, Mercadante D, Pelloux J, Sénéchal F. New insights into the specificity and processivity of two novel pectinases from Verticillium dahliae. Int J Biol Macromol 2021; 176:165-176. [PMID: 33561463 DOI: 10.1016/j.ijbiomac.2021.02.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/22/2021] [Accepted: 02/04/2021] [Indexed: 02/02/2023]
Abstract
Pectin, the major non-cellulosic component of primary cell wall can be degraded by polygalacturonases (PGs) and pectin methylesterases (PMEs) during pathogen attack on plants. We characterized two novel enzymes, VdPG2 and VdPME1, from the fungal plant pathogen Verticillium dahliae. VdPME1 was most active on citrus methylesterified pectin (55-70%) at pH 6 and a temperature of 40 °C, while VdPG2 was most active on polygalacturonic acid at pH 5 and a temperature of 50 °C. Using LC-MS/MS oligoprofiling, and various pectins, the mode of action of VdPME1 and VdPG2 were determined. VdPME1 was shown to be processive, in accordance with the electrostatic potential of the enzyme. VdPG2 was identified as endo-PG releasing both methylesterified and non-methylesterified oligogalacturonides (OGs). Additionally, when flax roots were used as substrate, acetylated OGs were detected. The comparisons of OGs released from Verticillium-susceptible and partially resistant flax cultivars identified new possible elicitor of plant defence responses.
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Affiliation(s)
- Josip Safran
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Olivier Habrylo
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France; Current address: Groupe Soufflet, 10400 Nogent-sur-Seine, France
| | - Mehdi Cherkaoui
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France; Current address: UR 1258 BIA Biopolymères Interactions Assemblages, INRAE, 44316 Nantes Cedex 3, France
| | - Sylvain Lecomte
- Linéa Semences, 20 Avenue Saget, 60210 Grandvilliers, France
| | - Aline Voxeur
- Institut Jean-Pierre Bourgin, INRAE, AgroParisTech, Université Paris-Saclay, 78000 Versailles, France
| | - Serge Pilard
- Plateforme Analytique, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Solène Bassard
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Corinne Pau-Roblot
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Davide Mercadante
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Jérôme Pelloux
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France
| | - Fabien Sénéchal
- UMRT INRAE 1158 BioEcoAgro - BIOPI Biologie des Plantes et Innovation, SFR Condorcet FR CNRS 3417, Université de Picardie, 33 Rue St Leu, 80039 Amiens, France.
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Lin W, Xu X, Lv R, Huang W, Ul Haq H, Gao Y, Ren H, Lan C, Tian B. Differential proteomics reveals main determinants for the improved pectinase activity in UV-mutagenized Aspergillus niger strain. Biotechnol Lett 2021; 43:909-918. [PMID: 33449253 DOI: 10.1007/s10529-020-03075-w] [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: 10/22/2020] [Accepted: 12/26/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To reveal the potential mechanism and key determinants that contributed to the improved pectinase activity in Aspergillus niger mutant EIMU2, which was previously obtained by UV-mutagenesis from the wild-type A. niger EIM-6. RESULTS Proteomic analysis for Aspergillus niger EIMU2 by two-dimensional electrophoresis demonstrated that mutant EIMU2 harbored a multiple enzyme system for the degradation of pectin, mainly constituting by main-chain-cleaving enzymes polygalacturonase, pectate lyase, pectinesterase, and some accessory enzymes rhamnogalacturonan lyase and arabinofuranosidase. Further quantitatively differential proteomic analysis revealed that the quantities of four proteins, pectinesterase, rhamnogalacturonan lyase A, DNA-directed RNA polymerase A, and a hypothetical protein in strain EIMU2 were much higher than those in EIM-6. PCR amplification, sequencing and alignment analysis of genes for the two main members of pectin-degrading enzymes, pectate lyase and polygalacturonase showed that their sequences were completely consistent in A. niger EIM-6 and mutant EIMU2. CONCLUSIONS The result demonstrated that the improved pectinase activity by UV-mutagenesis in A. niger EIMU2 was probably contributed to the up-regulated expression of rhamnogalacturonan lyase, or pectinesterase, which resulted in the optimization of synergy amongst different components of pectin-degrading enzymes.
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Affiliation(s)
- Weiling Lin
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China.,Fujian Health College, Fuzhou, 350101, Fujian, China
| | - Xiaohong Xu
- Library, Fujian Normal University, Fuzhou, 350108, Fujian, China
| | - Ruirui Lv
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China
| | - Wei Huang
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China.,Institute of Agricultural Quality Standards and Testing Technology Research, Fujian Academy of Agricultural Sciences, Fuzhou, 350003, Fujian, China
| | - Hafeez Ul Haq
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China
| | - Yuanyuan Gao
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China
| | - Hongli Ren
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China
| | - Canhua Lan
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China
| | - Baoyu Tian
- Engineering Research Center of Industrial Microbiology of Ministry of Education, College of Life Sciences, Fujian Normal University, No.8, Shangsan Road, Cangshan District, Fuzhou, 350108, Fujian, China.
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9
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Cheng Z, Xian L, Chen D, Lu J, Wei Y, Du L, Wang Q, Chen Y, Lu B, Bi D, Zhang Z, Huang R. Development of an Innovative Process for High-Temperature Fruit Juice Extraction Using a Novel Thermophilic Endo-Polygalacturonase From Penicillium oxalicum. Front Microbiol 2020; 11:1200. [PMID: 32595621 PMCID: PMC7303257 DOI: 10.3389/fmicb.2020.01200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 05/12/2020] [Indexed: 11/30/2022] Open
Abstract
Efficient and cost-effective production of thermophilic endo-polygalacturonase is desirable for industrial fruit juice production, because its application could shorten the processing time and lower the production cost, by eliminating the separate step of pectin degradation. However, no endo-polygalacturonase that both functions well at sufficiently high temperature and can be manufactured economically, has been reported previously. In this study, the cDNA encoding a thermophilic endo-polygalacturonase from Penicillium oxalicum CZ1028, was cloned and over-expressed in Pichia pastoris GS115 and Escherichia coli BL21(DE3). The recombinant proteins PoxaEnPG28B-Pp (from P. pastoris) and PoxaEnPG28B-Ec (from E. coli) were isolated and purified. PoxaEnPG28B-Pp was sufficiently thermostable for potential industrial use, but PoxaEnPG28B-Ec was not. The optimal pH and temperature of PoxaEnPG28B-Pp were pH 5.0 and 65°C, respectively. The enzyme had a low Km of 1.82 g/L and a high Vmax of 77882.2 U/mg, with polygalacturonic acid (PGA) as substrate. The performance of PoxaEnPG28B-Pp in depectinization of papaya, plantain and banana juices at 65°C for 15 min was superior to that of a reported mesophilic endo-polygalacturonase. PoxaEnPG28B-Pp is the first endo-polygalacturonase reported to show excellent performance at high temperature. An innovative process, including a step of simultaneous heat-treatment and depectinization of fruit pulps with PoxaEnPG28B-Pp, is reported for the first time.
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Affiliation(s)
- Zhong Cheng
- College of Mechatronic and Quality Technology Engineering, Nanning University, Nanning, China.,State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China
| | - Liang Xian
- National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
| | - Dong Chen
- National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
| | - Jian Lu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China
| | - Yutuo Wei
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China
| | - Liqin Du
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China
| | - Qingyan Wang
- National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
| | - Yunlai Chen
- School of Environment and Life Science, Nanning Normal University, Nanning, China
| | - Bo Lu
- National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
| | - Dewu Bi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China.,National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
| | - Zhikai Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China.,National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
| | - Ribo Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Life Science and Technology, Guangxi University, Nanning, China.,National Engineering Research Center for Non-food Biorefinery, State Key Laboratory of Non-food Biomass Enzyme Technology, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China
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10
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Tanaka Y, Konno N, Suzuki T, Habu N. Starch-degrading enzymes from the brown-rot fungus Fomitopsis palustris. Protein Expr Purif 2020; 170:105609. [PMID: 32070765 DOI: 10.1016/j.pep.2020.105609] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 01/15/2023]
Abstract
Brown-rot fungi preferentially degrade softwood and cause severe breakdown of wooden structures. At the initial stage of the brown-rot decay, penetrating hyphae of the fungi are observed in ray parenchyma. Since starch grains are known to be present in the ray parenchyma of sapwood, investigation of the functions and roles of the starch-degrading enzymes is important to understand the initial stage of brown-rot decay. We purified and characterized two starch-degrading enzymes, an α-amylase (FpAmy13A) and a glucoamylase (FpGLA15A), from the brown-rot fungus, Fomitopsis palustris, and cloned the corresponding genes. The optimal temperature for both enzymes was 60 °C. FpAmy13A showed higher activity at a broad range of pH from 2.0 to 5.0, whereas FpGLA15A was most active at pH 5.0-6.0. Notable thermal stability was found for FpGLA15A. Approximately 25% of the activity remained even after treatment at 100 °C for 30 min in sodium phosphate buffer at pH 7.0. These different characteristics imply the different roles of these enzymes in the starch degradation of wood.
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Affiliation(s)
- Yuki Tanaka
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan; United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509, Japan
| | - Naotake Konno
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan; Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Tomohiro Suzuki
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Naoto Habu
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan.
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11
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Agnestisia R, Ono A, Nakamura L, Chino R, Nodera K, Aiso-Sanada H, Nezu I, Ishiguri F, Suzuki T, Yokota S. The complete mitochondrial genome sequence of the medicinal fungus Inonotus obliquus ( Hymenochaetaceae, Basidiomycota). Mitochondrial DNA B Resour 2019; 4:3504-3506. [PMID: 33366060 PMCID: PMC7707248 DOI: 10.1080/23802359.2019.1675548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 09/25/2019] [Indexed: 11/16/2022] Open
Abstract
Inonotus obliquus is a medicinal fungus in the family Hymenochaetaceae and commonly known as chaga. The sclerotium of this fungus has been used as a traditional medicine for long time. In this study, we present the mitochondrial genome sequence of I. obliquus. The mitochondrial DNA (mtDNA) is 119,110 base pairs in length and contained genes for 58 Open reading frames, 2 ribosomal RNAs, and 30 transfer RNAs. Consequently performed phylogenetic analysis indicates that this fungus is closely related to Sanghuangporus sanghuang which belongs to the same family Hymenochaetaceae. We first reported about the complete mitochondrial genome of fungi belonging to the genus Inonotus.
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Affiliation(s)
- Retno Agnestisia
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Japan
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
| | - Akiko Ono
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Japan
| | - Luna Nakamura
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Japan
| | - Rei Chino
- Kyushu Regional Breeding Office, Forest Tree Breeding Center, Koshi, Japan
| | - Kaito Nodera
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
| | - Haruna Aiso-Sanada
- Department of Wood Properties and Processing, Forestry and Forest Products Research Institute, Tsukuba, Japan (Research Fellow of Japan Society for the Promotion of Science)
| | - Ikumi Nezu
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
| | - Futoshi Ishiguri
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Japan
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
| | - Tomohiro Suzuki
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Japan
| | - Shinso Yokota
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Japan
- School of Agriculture, Utsunomiya University, Utsunomiya, Japan
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12
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Kikuchi M, Konno N, Suzuki T, Fujii Y, Kodama Y, Isogai A, Habu N. A bacterial endo-β-1,4-glucuronan lyase, CUL-I from Brevundimonas sp. SH203, belonging to a novel polysaccharide lyase family. Protein Expr Purif 2019; 166:105502. [PMID: 31546007 DOI: 10.1016/j.pep.2019.105502] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/13/2019] [Accepted: 09/19/2019] [Indexed: 11/13/2022]
Abstract
Cellouronate is a (1,4)-β-D-glucuronan prepared by TEMPO-mediated oxidation from regenerated cellulose. We have previously isolated a cellouronate-degrading bacterial strain, Brevundimonas sp. SH203, that produces a cellouronate lyase (β-1,4-glucuronan lyase, CUL-I). In this study, the gene encoding CUL-I was cloned, and the recombinant enzyme was heterologously expressed in Escherichia coli. The predicted CUL-I protein is composed of 426 amino acid residues and includes a putative 21-amino acid signal peptide. The recombinant CUL-I specifically depolymerized β-1,4-glycoside linkages of cellouronate, and its mode of action was endo-type, like the native CUL-I. Sequence analysis showed CUL-I has no similarity to previously known polysaccharide lyases (PLs), indicating that CUL-I should be classified into a novel PL family.
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Affiliation(s)
- Masako Kikuchi
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan; United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509, Japan
| | - Naotake Konno
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan; Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Tomohiro Suzuki
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Yuta Fujii
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Yutaka Kodama
- Center for Bioscience Research and Education, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan
| | - Akira Isogai
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Naoto Habu
- School of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi, 321-8505, Japan.
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