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Kim TH. Ginsenosides for the treatment of insulin resistance and diabetes: Therapeutic perspectives and mechanistic insights. J Ginseng Res 2024; 48:276-285. [PMID: 38707641 PMCID: PMC11068994 DOI: 10.1016/j.jgr.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/26/2024] [Accepted: 03/04/2024] [Indexed: 05/07/2024] Open
Abstract
Diabetes mellitus (DM) is a systemic disorder of energy metabolism characterized by a sustained elevation of blood glucose in conjunction with impaired insulin action in multiple peripheral tissues (i.e., insulin resistance). Although extensive research has been conducted to identify therapeutic targets for the treatment of DM, its global prevalence and associated mortailty rates are still increasing, possibly because of challenges related to long-term adherence, limited efficacy, and undesirable side effects of currently available medications, implying an urgent need to develop effective and safe pharmacotherapies for DM. Phytochemicals have recently drawn attention as novel pharmacotherapies for DM based on their clinical relevance, therapeutic efficacy, and safety. Ginsenosides, pharmacologically active ingredients primarily found in ginseng, have long been used as adjuvants to traditional medications in Asian countries and have been reported to exert promising therapeutic efficacy in various metabolic diseases, including hyperglycemia and diabetes. This review summarizes the current pharmacological effects of ginsenosides and their mechanistic insights for the treatment of insulin resistance and DM, providing comprehensive perspectives for the development of novel strategies to treat DM and related metabolic complications.
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Affiliation(s)
- Tae Hyun Kim
- Drug Information Research Institute, Muscle Physiome Research Center, College of Pharmacy, Sookmyung Women's University, Seoul, Republic of Korea
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2
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Rai S, Singh LS, Shaanker RU, Jeyaram K, Parija T, Sahoo D. Endophytic fungi of Panax sokpayensis produce bioactive ginsenoside Compound K in flask fermentation. Sci Rep 2024; 14:9318. [PMID: 38654024 DOI: 10.1038/s41598-024-56441-3] [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: 08/01/2023] [Accepted: 03/06/2024] [Indexed: 04/25/2024] Open
Abstract
Endophytes of Panax have the potential to produce their host plant secondary metabolites, ginsenosides. Panax sokpayensis, an endemic traditional medicinal plant of the Sikkim Himalayas was explored for the isolation of endophytic fungi. In the present study, we have isolated 35 endophytic fungal cultures from the rhizome of P. sokpayensis and screened for ginsenosides production by HPLC by comparing the peak retention time with that of standard ginsenosides. The HPLC analysis revealed that out of 35 isolates, the mycelial extracts of four fungal endophytes (PSRF52, PSRF53, PSRF49 and PSRF58) exhibited peaks with a similar retention time of the standard ginsenoside, Compound K (CK). LC-ESI-MS/MS analysis led to the confirmation of ginsenoside CK production by the four fungal endophytes which showed a compound with m/z 639.6278, similar to that of standard ginsenoside CK with yield in potato dextrose broth flask fermentation ranging from 0.0019 to 0.0386 mg/g of mycelial mass in dry weight basis. The four prospective fungal endophyte isolates were identified as Thermothielavioides terrestris PSRF52, Aspergillus sp. PSRF49, Rutstroemiaceae sp. strain PSRF53, and Phaeosphaeriaceae sp. strain PSRF58 based on ITS sequencing. The present finding highlights the need for further study on growth optimization and other culture parameters to exploit the endophytes as an alternative source for ginsenoside CK production.
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Affiliation(s)
- Subecha Rai
- Institute of Bioresources and Sustainable Development (IBSD), Sikkim Centre, DBT, Tadong, Gangtok, Sikkim, 737102, India
- School of Biotechnology, KIIT-Deemed to be University, Campus XI, Patia, Bhubaneshwar, Odisha, 751024, India
| | - Laishram Shantikumar Singh
- Institute of Bioresources and Sustainable Development (IBSD), Sikkim Centre, DBT, Tadong, Gangtok, Sikkim, 737102, India.
- Department of Microbiology, Assam Down Town University, Guwahati, Assam, 781026, India.
| | - Ramanan Uma Shaanker
- School of Ecology and Conservation, Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bellary Road, Bangalore, Karnataka, 560065, India
| | - Kumaraswamy Jeyaram
- Institute of Bioresources and Sustainable Development (IBSD), Sikkim Centre, DBT, Tadong, Gangtok, Sikkim, 737102, India
| | - Tithi Parija
- School of Biotechnology, KIIT-Deemed to be University, Campus XI, Patia, Bhubaneshwar, Odisha, 751024, India
| | - Dinabandhu Sahoo
- Institute of Bioresources and Sustainable Development (IBSD), Sikkim Centre, DBT, Tadong, Gangtok, Sikkim, 737102, India
- Department of Botany, University of Delhi, Delhi, 110007, India
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Shi L, Luo J, Wei X, Xu X, Tu L. The protective role of ginsenoside Rg3 in heart diseases and mental disorders. Front Pharmacol 2024; 15:1327033. [PMID: 38469409 PMCID: PMC10926849 DOI: 10.3389/fphar.2024.1327033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/07/2024] [Indexed: 03/13/2024] Open
Abstract
Ginsenoside Rg3, a compound derived from Panax ginseng C. A. Mey., is increasingly recognized for its wide range of pharmacological effects. Under the worldwide healthcare challenges posed by heart diseases, Rg3 stands out as a key subject in modern research on Chinese herbal medicine, offering a novel approach to therapy. Mental illnesses are significant contributors to global disease mortality, and there is a well-established correlation between cardiac and psychiatric conditions. This connection is primarily due to dysfunctions in the sympathetic-adrenomedullary system (SAM), the hypothalamic-pituitary-adrenal axis, inflammation, oxidative stress, and brain-derived neurotrophic factor impairment. This review provides an in-depth analysis of Rg3's therapeutic benefits and its pharmacological actions in treating cardiac and mental health disorders respectively. Highlighting its potential for the management of these conditions, Rg3 emerges as a promising, multifunctional therapeutic agent.
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Affiliation(s)
- Lili Shi
- Department of Geriatric Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Jinlan Luo
- Department of Geriatric Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Xiupan Wei
- Department of Rehabilitation Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Xizhen Xu
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
- Division of Cardiology and Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Tu
- Department of Geriatric Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
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Sun D, Li F, Wang L, Chen R, Liu F, Guo L, Li N, Zhang F, Lei L. Identification and application of an endophytic fungus Arcopilus aureus from Panax notoginseng against crop fungal disease. FRONTIERS IN PLANT SCIENCE 2024; 15:1305376. [PMID: 38384765 PMCID: PMC10880449 DOI: 10.3389/fpls.2024.1305376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 01/16/2024] [Indexed: 02/23/2024]
Abstract
Endophytic fungi are important microbial resources for developing novel antibacterial and antifungal drugs to prevent and control crop diseases. Panax notoginseng has been used as a Chinese medicinal herb for a long time, as it has various bioactivities. However, information on endophytic fungi isolated from Panax notoginseng is rare. In this study, an endophytic fungus known as SQGX-6, which was later identified as the golden hair fungus Arcopilus aureus, was isolated from Panax notoginseng. SQGX-6 was extracted using ethyl acetate, and the active components of the fungus were identified using ultra-performance liquid chromatography-mass spectrometry (UHPLC-MS). The antifungal and antioxidant activities of the extract were determined and evaluated in vitro and in vivo. SQGX-6 and its extract inhibited the growth of Corn stalk rot (Fusarium graminearum), Corn southern leaf blight (Helminthosporium maydis), and Tomato gray mold (Botrytis cinerea) in vitro. The free radical scavenging rates for 2,2-Diphenyl-1-pyridinyl hydrazide (DPPH) radical scavenging activity, 3-Ethylbenzothiazoline-6-Sulfonic Acid Radical scavenging (ABTS) activity were also downregulated by the SQGX-6 extract. In vivo, the SQGX-6 extract inhibited the mycelial growth rates of the three aforementioned fungi and downregulated malondialdehyde (MDA) content and upregulated peroxidase (POD) and phenylalanine ammonia-lyase (PAL) content in fruits, leading to significant reduction in damage to cherry tomatoes caused by Botrytis cinerea. UHPLC-MS was performed to identify various active substances, including Alkaloids, Azoles, Benzofurans, Coumarins, Flavonoids, Organic acids, Phenols, and plant growth regulators contained in the extract. These results suggested that the endophytic fungus SQGX-6 of Panax notoginseng and its extract have excellent antifungal and antioxidant activities, and thus, it is an important microbial resource for the developing novel drugs against plant fungal infections.
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Affiliation(s)
- Diangang Sun
- College of Agriculture, Yangtze University, Jingzhou, Hubei, China
| | - Fengyang Li
- State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
| | - Lingling Wang
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
| | - Ruige Chen
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
| | - Feng Liu
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
| | - Liwei Guo
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
| | - Na Li
- State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
| | - Fuxian Zhang
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
| | - Liancheng Lei
- State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, Jilin, China
- College of Animal Science, Yangtze University, Jingzhou, Hubei, China
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Fan W, Fan L, Wang Z, Mei Y, Liu L, Li L, Yang L, Wang Z. Rare ginsenosides: A unique perspective of ginseng research. J Adv Res 2024:S2090-1232(24)00003-1. [PMID: 38195040 DOI: 10.1016/j.jare.2024.01.003] [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: 09/12/2023] [Revised: 12/29/2023] [Accepted: 01/04/2024] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND Rare ginsenosides (Rg3, Rh2, C-K, etc.) refer to a group of dammarane triterpenoids that exist in low natural abundance, mostly produced by deglycosylation or side chain modification via physicochemical processing or metabolic transformation in gut, and last but not least, exhibited potent biological activity comparing to the primary ginsenosides, which lead to a high concern in both the research and development of ginseng and ginsenoside-related nutraceutical and natural products. Nevertheless, a comprehensive review on these promising compounds is not available yet. AIM OF REVIEW In this review, recent advances of Rare ginsenosides (RGs) were summarized dealing with the structurally diverse characteristics, traditional usage, drug discovery situation, clinical application, pharmacological effects and the underlying mechanisms, structure-activity relationship, toxicity, the stereochemistry properties, and production strategies. KEY SCIENTIFIC CONCEPTS OF REVIEW A total of 144 RGs with diverse skeletons and bioactivities were isolated from Panax species. RGs acted as natural ligands on some specific receptors, such as bile acid receptors, steroid hormone receptors, and adenosine diphosphate (ADP) receptors. The RGs showed promising bioactivities including immunoregulatory and adaptogen-like effect, anti-aging effect, anti-tumor effect, as well as their effects on cardiovascular and cerebrovascular system, central nervous system, obesity and diabetes, and interaction with gut microbiota. Clinical trials indicated the potential of RGs, while high quality data remains inadequate, and no obvious side effects was found. The stereochemistry properties induced by deglycosylation at C (20) were also addressed including pharmacodynamics behaviors, together with the state-of-art analytical strategies for the identification of saponin stereoisomers. Finally, the batch preparation of targeted RGs by designated strategies including heating or acid/ alkaline-assisted processes, and enzymatic biotransformation and biosynthesis were discussed. Hopefully, the present review can provide more clues for the extensive understanding and future in-depth research and development of RGs, originated from the worldwide well recognized ginseng plants.
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Affiliation(s)
- Wenxiang Fan
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Linhong Fan
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ziying Wang
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yuqi Mei
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Longchan Liu
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Linnan Li
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Li Yang
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Zhengtao Wang
- The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, and SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Yu J, Zheng Y, Song C, Chen S. New insights into the roles of fungi and bacteria in the development of medicinal plant. J Adv Res 2023:S2090-1232(23)00394-6. [PMID: 38092299 DOI: 10.1016/j.jare.2023.12.007] [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: 08/08/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/02/2024] Open
Abstract
BACKGROUND The interaction between microorganisms and medicinal plants is a popular topic. Previous studies consistently reported that microorganisms were mainly considered pathogens or contaminants. However, with the development of microbial detection technology, it has been demonstrated that fungi and bacteria affect beneficially the medicinal plant production chain. AIM OF REVIEW Microorganisms greatly affect medicinal plants, with microbial biosynthesis a high regarded topic in medicinal plant-microbial interactions. However, it lacks a systematic review discussing this relationship. Current microbial detection technologies also have certain advantages and disadvantages, it is essential to compare the characteristics of various technologies. KEY SCIENTIFIC CONCEPTS OF REVIEW This review first illustrates the role of fungi and bacteria in various medicinal plant production procedures, discusses the development of microbial detection and identification technologies in recent years, and concludes with microbial biosynthesis of natural products. The relationship between fungi, bacteria, and medicinal plants is discussed comprehensively. We also propose a future research model and direction for further studies.
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Affiliation(s)
- Jingsheng Yu
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China; Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700 China
| | - Yixuan Zheng
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China
| | - Chi Song
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China
| | - Shilin Chen
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137 China; Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700 China.
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Wang M, Li Q, Li S, Zhao Y, Jiang X, He S, Liu J. Influence of Auricularia cornea Polysaccharide Coating on the Stability and Antioxidant Activity of Liposomes Ginsenoside Rh2. Foods 2023; 12:3946. [PMID: 37959065 PMCID: PMC10647797 DOI: 10.3390/foods12213946] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Liposomes (Lip) are microstructures containing lipid and aqueous phases for encapsulation and delivery of bioactivators. In this study, Ginsenoside Rh2 liposomes (Rh2-Lip) were prepared by a thin-film hydrated ultrasonic binding method. But they are not stable during storage. In addition, Rh2-Lip was wrapped with Auricultural cornea polysaccharide (ACP) and Chitosan (CS) as coating materials to improve stability. CS coating was used as a positive control. The particle sizes determined by dynamic light scattering (DLS) showed 183 ± 5.52 nm for liposomes, 197 ± 6.7 nm for Auricultural cornea polysaccharide coated liposomes (ACP-Rh2-Lip), and 198 ± 3.5 nm for Chitosan coated liposomes (CS-Rh2-Lip). The polydispersity index (PDI) of all liposomes was less than 0.3. Transmission electron microscopy (TEM) showed that ACP and CS were successfully encapsulated on the liposome surface. In vitro simulations of digestive stability in the gastrointestinal tract showed that ACP-Rh2-Lip and CS-Rh2-Lip were more stable in gastrointestinal fluids compared to Lip. The antioxidant experiment revealed that ACP-Rh2-Lip has greater antioxidant activity than Lip. The purpose of this study was to look into the effects of ACP-Rh2-Lip and to offer a reference for Ginsenoside Rh2 (Rh2) delivery.
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Affiliation(s)
- Minghui Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.W.); (S.L.); (Y.Z.); (S.H.)
- Jilin Province Yang Yiduo Technology Co., Ltd., Changchun 130000, China
| | - Qinyang Li
- College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China;
| | - Shuang Li
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.W.); (S.L.); (Y.Z.); (S.H.)
| | - Yunzhu Zhao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.W.); (S.L.); (Y.Z.); (S.H.)
| | - Xintong Jiang
- College of Life Sciences and Engineering, Lanzhou University of Technology, Lanzhou 730050, China;
| | - Sihan He
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.W.); (S.L.); (Y.Z.); (S.H.)
| | - Junmei Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.W.); (S.L.); (Y.Z.); (S.H.)
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Chen Q, Wang J, Gao Y, Gao X, Yan P. Optimization of Fermentation Conditions and Product Identification of a Saponin-Producing Endophytic Fungus. Microorganisms 2023; 11:2331. [PMID: 37764176 PMCID: PMC10535331 DOI: 10.3390/microorganisms11092331] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Some fungal endophytes isolated from P. ginseng may present a new method of obtaining saponins. This experiment aimed to optimize the total saponin yield produced through in vitro fermentation by an endophytic fungus and analyze its saponin species in the fermented extract. METHODS Fermentation protocols were optimized with a uniform design and verified through regression analysis to maximize the total saponin yield. The saponin types under optimal fermentation conditions were then identified and analyzed using Liquid Chromatography-Mass Spectrometry. RESULTS The Trametes versicolor strain NSJ105 (gene accession number: OR144428) isolated from wild ginseng could produce total saponins. The total saponin yield could be increased more than two-fold through the optimization of fermentation conditions. The concentration of the total saponins achieved by the verified protocol 105-DP was close to the predicted value. The fermentation conditions of the 105-DP protocol were as follows: potato concentration 97.3 mg/mL, glucose concentration 20.6 mg/mL, inoculum volume 2.1%, fermentation broth pH 2.1, fermentation temperature 29.2 °C, and fermentation time 6 d. It was detected and analyzed that the fermented extract of 105-DP contained the ginsenosides Rf and Rb3. CONCLUSION The endophytic fungus Trametes versicolor strain NSJ105 has potential application value in saponin production.
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Affiliation(s)
- Qiqi Chen
- School of Environment, Harbin Institute of Technology, Harbin 150090, China; (Q.C.)
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
| | - Jingying Wang
- School of Environment, Harbin Institute of Technology, Harbin 150090, China; (Q.C.)
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
| | - Yuhang Gao
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
| | - Xiujun Gao
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
| | - Peisheng Yan
- School of Environment, Harbin Institute of Technology, Harbin 150090, China; (Q.C.)
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
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Marchut-Mikołajczyk O, Chlebicz M, Kawecka M, Michalak A, Prucnal F, Nielipinski M, Filipek J, Jankowska M, Perek Z, Drożdżyński P, Rutkowska N, Otlewska A. Endophytic bacteria isolated from Urtica dioica L.- preliminary screening for enzyme and polyphenols production. Microb Cell Fact 2023; 22:169. [PMID: 37649058 PMCID: PMC10466763 DOI: 10.1186/s12934-023-02167-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/05/2023] [Indexed: 09/01/2023] Open
Abstract
Endophytes, especially those isolated from herbal plants, may act as a reservoir of a variety of secondary metabolites exhibiting biological activity. Some endophytes express the ability to produce the same bioactive compounds as their plant hosts, making them a more sustainable industrial supply of these substances. Urtica dioica L. (common stinging nettle) is a synanthropic plant that is widely used in herbal medicine due to the diversity of bioactive chemicals it contains, e.g., polyphenols, which demonstrate anti-inflammatory, antioxidant, and anti-cancerous capabilities. This study aimed at isolating endophytic bacteria from stinging nettles for their bioactive compounds. The endophytic isolates were identified by both biochemical and molecular methods (16S rRNA) and investigated for enzymes, biosurfactants, and polyphenols production. Each of the isolated bacterial strains was capable of producing biosurfactants and polyphenols. However, three of the isolated endophytes, identified as two strains of Bacillus cereus and one strain of Bacillus mycoides, possessed the greatest capacity to produce biosurfactants and polyphenols. The derivatized extracts from culture liquid showed the 1.633 mol l-1 (9.691 mg l-1) concentration of polyphenol compounds. Therefore, the present study signifies that endophytic B. cereus and B. mycoides isolated from Urtica dioica L. could be a potential source of biosurfactants and polyphenols. However, further study is required to understand the mechanism of the process and achieve efficient polyphenol production by endophytic bacteria.
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Affiliation(s)
- Olga Marchut-Mikołajczyk
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537, Lodz, Poland.
| | - Magdalena Chlebicz
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Monika Kawecka
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Agnieszka Michalak
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Filip Prucnal
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Maciej Nielipinski
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537, Lodz, Poland
| | - Jakub Filipek
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Michalina Jankowska
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Zofia Perek
- Biotechnology Students Association Ferment, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
| | - Piotr Drożdżyński
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537, Lodz, Poland
| | - Natalia Rutkowska
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537, Lodz, Poland
| | - Anna Otlewska
- Institute of Fermentation Technology And Microbiology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530, Lodz, Poland
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10
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Jha P, Kaur T, Chhabra I, Panja A, Paul S, Kumar V, Malik T. Endophytic fungi: hidden treasure chest of antimicrobial metabolites interrelationship of endophytes and metabolites. Front Microbiol 2023; 14:1227830. [PMID: 37497538 PMCID: PMC10366620 DOI: 10.3389/fmicb.2023.1227830] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 06/26/2023] [Indexed: 07/28/2023] Open
Abstract
Endophytic fungi comprise host-associated fungal communities which thrive within the tissues of host plants and produce a diverse range of secondary metabolites with various bioactive attributes. The metabolites such as phenols, polyketides, saponins, alkaloids help to mitigate biotic and abiotic stresses, fight against pathogen attacks and enhance the plant immune system. We present an overview of the association of endophytic fungal communities with a plant host and discuss molecular mechanisms induced during their symbiotic interaction. The overview focuses on the secondary metabolites (especially those of terpenoid nature) secreted by endophytic fungi and their respective function. The recent advancement in multi-omics approaches paved the way for identification of these metabolites and their characterization via comparative analysis of extensive omics datasets. This study also elaborates on the role of diverse endophytic fungi associated with key agricultural crops and hence important for sustainability of agriculture.
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Affiliation(s)
- Priyanka Jha
- Department of Biotechnology, Lovely Faculty of Technology and Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Tamanna Kaur
- Department of Biotechnology, Lovely Faculty of Technology and Sciences, Lovely Professional University, Phagwara, Punjab, India
| | | | - Avirup Panja
- Amity Institute of Biotechnology, Amity University, Kolkata, West Bengal, India
| | - Sushreeta Paul
- Amity Institute of Biotechnology, Amity University, Kolkata, West Bengal, India
| | - Vijay Kumar
- Department of Biotechnology, Lovely Faculty of Technology and Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Tabarak Malik
- Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
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11
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Rutkowska N, Drożdżyński P, Ryngajłło M, Marchut-Mikołajczyk O. Plants as the Extended Phenotype of Endophytes-The Actual Source of Bioactive Compounds. Int J Mol Sci 2023; 24:10096. [PMID: 37373241 DOI: 10.3390/ijms241210096] [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: 05/19/2023] [Revised: 06/07/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
For thousands of years, plants have been used for their medicinal properties. The industrial production of plant-beneficial compounds is facing many drawbacks, such as seasonal dependence and troublesome extraction and purification processes, which have led to many species being on the edge of extinction. As the demand for compounds applicable to, e.g., cancer treatment, is still growing, there is a need to develop sustainable production processes. The industrial potential of the endophytic microorganisms residing within plant tissues is undeniable, as they are often able to produce, in vitro, similar to or even the same compounds as their hosts. The peculiar conditions of the endophytic lifestyle raise questions about the molecular background of the biosynthesis of these bioactive compounds in planta, and the actual producer, whether it is the plant itself or its residents. Extending this knowledge is crucial to overcoming the current limitations in the implementation of endophytes for larger-scale production. In this review, we focus on the possible routes of the synthesis of host-specific compounds in planta by their endophytes.
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Affiliation(s)
- Natalia Rutkowska
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Piotr Drożdżyński
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Małgorzata Ryngajłło
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Olga Marchut-Mikołajczyk
- Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
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12
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Huang L, Li HJ, Wu YC. Processing technologies, phytochemistry, bioactivities and applications of black ginseng-a novel manufactured ginseng product: A comprehensive review. Food Chem 2023; 407:134714. [PMID: 36495746 DOI: 10.1016/j.foodchem.2022.134714] [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: 04/10/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 11/29/2022]
Abstract
Black ginseng is a novel manufactured ginseng product, and the application of black ginseng products in market is increasing in recent years. Black ginseng is prepared by steaming and fermentation, but not as mature as processing red ginseng. Therefore, complete proposals for preparation techniques are firstly presented. Additionally, there are also abundant chemical components in black ginseng, including ginsenosides, polysaccharides, amino acids, polyphenols, flavonoids, etc. Among them, ginsenosides, polysaccharides and phenolic compounds are the main ingredients, making health benefits of black ginseng stronger than other ginseng products. Therefore, black ginseng as a functional food has come to the market in various forms, such as candies, tea, porridge, soup, etc. The improvement in nutrition, flavor, and safety has exhibited a broad prospect for black ginseng products in food industry. Accordingly, preparation technologies, phytochemistry, health benefits and application of black ginseng are comprehensively evaluated.
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Affiliation(s)
- Li Huang
- Weihai Marine Organism & Medical Technology Research Institute, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150006, PR China
| | - Hui-Jing Li
- Weihai Marine Organism & Medical Technology Research Institute, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150006, PR China
| | - Yan-Chao Wu
- Weihai Jinyiyang Pharmaceutical Co., Ltd, Wendeng District, Weihai 264400, PR China.
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13
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Qiu S, Blank LM. Recent Advances in Yeast Recombinant Biosynthesis of the Triterpenoid Protopanaxadiol and Glycosylated Derivatives Thereof. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:2197-2210. [PMID: 36696911 DOI: 10.1021/acs.jafc.2c06888] [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: 06/17/2023]
Abstract
Plant natural products are a seemingly endless resource for novel chemical structures. However, their extraction often results in high prices, fluctuation in both quantity and quality, and negative environmental impact. The latter might result from the extraction procedure but more often from the high amount of plant biomass required. With the advent of synthetic biology, producing natural plant products in large quantities using yeasts as hosts has become possible. Here, we focus on the recent advances in metabolic engineering of the yeasts species Saccharomyces cerevisiae and Yarrowia lipolytica for the synthesis of ginsenoside triterpenoids, namely, dammarenediol-II, protopanaxadiol, protopanaxatriol, compound K, ginsenoside Rh1, ginsenoside Rh2, ginsenoside Rg3, and ginsenoside F1. A discussion is provided on advanced synthetic biology, bioprocess strategies, and current challenges for the biosynthesis of ginsenoside triterpenoids. Finally, future directions in metabolic and process engineering are summarized and may help reify sustainable ginsenoside production.
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Affiliation(s)
- Shangkun Qiu
- Institute of Applied Microbiology (iAMB), Aachen Biology and Biotechnology (ABBt), RWTH Aachen University, 52074 Aachen, Germany
| | - Lars M Blank
- Institute of Applied Microbiology (iAMB), Aachen Biology and Biotechnology (ABBt), RWTH Aachen University, 52074 Aachen, Germany
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14
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Microorganisms for Ginsenosides Biosynthesis: Recent Progress, Challenges, and Perspectives. Molecules 2023; 28:molecules28031437. [PMID: 36771109 PMCID: PMC9921939 DOI: 10.3390/molecules28031437] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 02/05/2023] Open
Abstract
Ginsenosides are major bioactive compounds present in the Panax species. Ginsenosides exhibit various pharmaceutical properties, including anticancer, anti-inflammatory, antimetastatic, hypertension, and neurodegenerative disorder activities. Although several commercial products have been presented on the market, most of the current chemical processes have an unfriendly environment and a high cost of downstream processing. Compared to plant extraction, microbial production exhibits high efficiency, high selectivity, and saves time for the manufacturing of industrial products. To reach the full potential of the pharmaceutical resource of ginsenoside, a suitable microorganism has been developed as a novel approach. In this review, cell biological mechanisms in anticancer activities and the present state of research on the production of ginsenosides are summarized. Microbial hosts, including native endophytes and engineered microbes, have been used as novel and promising approaches. Furthermore, the present challenges and perspectives of using microbial hosts to produce ginsenosides have been discussed.
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15
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Wei X, Bai X, Cao P, Wang G, Han J, Zhang Z. Bacillus and microalgae biofertilizers improved quality and biomass of Salvia miltiorrhiza by altering microbial communities. CHINESE HERBAL MEDICINES 2023; 15:45-56. [PMID: 36875436 PMCID: PMC9975621 DOI: 10.1016/j.chmed.2022.01.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 06/27/2022] [Accepted: 10/16/2022] [Indexed: 11/27/2022] Open
Abstract
Objective Biofertilizers are reliable alternatives to chemical fertilizers due to various advantages. However, the effect of biofertilizers on Salvia miltiorrhiza yield and quality and the possible mechanisms remain little known. Here, an experiment was conducted in S. miltiorrhiza field treated with two kinds of biofertilizers including Bacillus and microalgae. Methods A field experiment was conducted on S. miltiorrhiza of one year old. The biofertilizers were applied at six treatments: (i) control check, CK; (ii) microalgae, VZ; (iii) Bacillus, TTB; (iv) microalgae + Bacillus (1:1), VTA; (v) microalgae + Bacillus (0.5:1), VTB; (vi) microalgae + Bacillus (1:0.5), VTC. Here, high-throughput sequencing, ICP-MS and UPLC were employed to systematically characterize changes of microbial diversity and structure composition, heavy metals content and bioactive compounds, respectively. Results Compared to CK, root biomass increased by 29.31%-60.39% (P < 0.001). Meanwhile, bioactive compounds were higher than CK after the application of the biofertilizers, peculiarly in TTB and VTB. However, the content of Pb contents in roots significantly reduced by 46.03% and 37.58% respectively in VTC and TTB (P < 0.05). VTA application notably increased the available nitrogen content by 53.03% (P < 0.05), indicating the improvement of soil fertility. Significantly, bacterial and fungal Chao I diversity indices showed an increasing trend with biofertilizer application (P < 0.05), and biofertilizer amendment enriched the rhizosphere soil with beneficial microorganisms that have abilities on promoting plant growth (Achromobacter and Penicillium), adsorbing heavy metal (Achromobacter and Beauveria), controlling plant pathogen (Plectosphaerella, Lechevalieria, Sorangium, Phlebiopsis and Beauveria) and promoting the accumulation of metabolites (Beauveria and Phoma). Conclusion Bacillus and microalgae biofertilizers improved the quality and biomass of S. miltiorrhiza by altering microbial communities in soil.
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Affiliation(s)
- Xuemin Wei
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Xuanjiao Bai
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Pei Cao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Gang Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Jianping Han
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Zheng Zhang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
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16
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Li J, Huang T, Lu J, Xu X, Zhang W. Metabonomic profiling of clubroot-susceptible and clubroot-resistant radish and the assessment of disease-resistant metabolites. FRONTIERS IN PLANT SCIENCE 2022; 13:1037633. [PMID: 36570889 PMCID: PMC9772615 DOI: 10.3389/fpls.2022.1037633] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/16/2022] [Indexed: 06/17/2023]
Abstract
Plasmodiophora brassicae causes a serious threat to cruciferous plants including radish (Raphanus sativus L.). Knowledge on the pathogenic regularity and molecular mechanism of P. brassicae and radish is limited, especially on the metabolism level. In the present study, clubroot-susceptible and clubroot-resistant cultivars were inoculated with P. brassicae Race 4, root hairs initial infection of resting spores (107 CFU/mL) at 24 h post-inoculation and root galls symptom arising at cortex splitting stage were identified on both cultivars. Root samples of cortex splitting stage of two cultivars were collected and used for untargeted metabonomic analysis. We demonstrated changes in metabolite regulation and pathways during the cortex splitting stage of diseased roots between clubroot-susceptible and clubroot-resistant cultivars using untargeted metabonomic analysis. We identified a larger number of differentially regulated metabolites and heavier metabolite profile changes in the susceptible cultivar than in the resistant counterpart. The metabolites that were differentially regulated in both cultivars were mostly lipids and lipid-like molecules. Significantly regulated metabolites and pathways according to the P value and variable important in projection score were identified. Moreover, four compounds, including ethyl α-D-thioglucopyranoside, imipenem, ginsenoside Rg1, and 6-gingerol, were selected, and their anti-P. brassicae ability and effects on seedling growth were verified on the susceptible cultivar. Except for ethyl α-D-thioglucopyranoside, the remaining could inhibit clubroot development of varing degree. The use of 5 mg/L ginsenoside Rg1 + 5 mg/L 6-gingerol resulted in the lowest disease incidence and disease index among all treatments and enhanced seedling growth. The regulation of pathways or metabolites of carbapenem and ginsenoside was further explored. The results provide a preliminary understanding of the interaction between radish and P. brassicae at the metabolism level, as well as the development of measures for preventing clubroot.
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Affiliation(s)
- Jingwei Li
- Vegetable Research Institute, Guizhou University, Guiyang, China
- College of Agriculture, Guizhou University, Guiyang, China
| | - Tingmin Huang
- Vegetable Research Institute, Guizhou University, Guiyang, China
- College of Agriculture, Guizhou University, Guiyang, China
| | - Jinbiao Lu
- Vegetable Research Institute, Guizhou University, Guiyang, China
- College of Agriculture, Guizhou University, Guiyang, China
| | - Xiuhong Xu
- Vegetable Research Institute, Guizhou University, Guiyang, China
- College of Agriculture, Guizhou University, Guiyang, China
| | - Wanping Zhang
- Vegetable Research Institute, Guizhou University, Guiyang, China
- College of Agriculture, Guizhou University, Guiyang, China
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17
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Chow C, Padda KP, Puri A, Chanway CP. An Archaic Approach to a Modern Issue: Endophytic Archaea for Sustainable Agriculture. Curr Microbiol 2022; 79:322. [PMID: 36125558 DOI: 10.1007/s00284-022-03016-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 08/31/2022] [Indexed: 11/03/2022]
Abstract
Archaea have existed for over 3.5 billion years, yet they were detected in the plant endosphere only in the recent past and still, not much is known about them. Archaeal endophytes may be important microorganisms for sustainable agriculture, particularly in the face of climate change and increasing food demand due to population growth. Recent advances in culture-independent methods of research have revealed a diverse abundance of archaea from the phyla Euryarchaeota, Crenarchaeaota, and Thaumarchaeota globally that are associated with significant crops such as maize, rice, coffee, and olive. Novel insights into the plant microbiome have revealed specific genes in archaea that may be involved in numerous plant metabolic functions including amino acid production and phytohormone modulation. This is the first review article to address what is known about archaea as endophytes, including their patterns of colonization and abundance in various parts of different crop plants grown under diverse environmental conditions. This review aims to facilitate mainstream discussions and encourage future research regarding the occurrence and role of endophytic archaea in plants, particularly in relation to agricultural applications.
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Affiliation(s)
- Chanelle Chow
- Department of Biology, Faculty of Science, University of British Columbia, Vancouver, Canada
| | - Kiran Preet Padda
- Department of Forest and Conservation Sciences, Faculty of Forestry, University of British Columbia, Vancouver, Canada.,School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Akshit Puri
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland. .,UCD Earth Institute, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Chris P Chanway
- Department of Forest and Conservation Sciences, Faculty of Forestry, University of British Columbia, Vancouver, Canada
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18
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Goodwin PH. The Endosphere Microbiome of Ginseng. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11030415. [PMID: 35161395 PMCID: PMC8838582 DOI: 10.3390/plants11030415] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 01/27/2022] [Accepted: 01/30/2022] [Indexed: 05/14/2023]
Abstract
The endosphere of ginseng contains a variety of fungal, bacterial, archaeal and viral endophytes. Bacterial endophytes are primarily members of the Proteobacteria, Actinobacteria, Firmicutes and Bacteroidetes, and fungal endophytes are primarily members of the Ascomycota, Zygomycota and Basidiomycota. Although archaea and viruses have been detected in symptomless ginseng plants, little is known about them. Many but not all studies have shown roots having the highest abundance and diversity of bacterial and fungal endophytes, with some endophytes showing specificity to above or belowground tissues. Abundance often increases with root age, although diversity can decrease, possibly related to increases in potential latent fungal pathogen infections. The descriptions of many endophytes that can metabolize ginsenosides indicate an adaptation of the microbes to the unique combination of secondary metabolites found in ginseng tissues. Most research on the benefits provided by bacterial and fungal endophytes has concentrated on improved plant nutrition, growth promotion and increased disease resistance, but little on their ability to increase abiotic stress resistance. Some other areas where more research is needed is field trials with endophyte-treated plants grown in various environments, genomic/metagenomic analysis of endophytes, and the effects of endophytes on induced disease resistance and abiotic stress tolerance.
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Affiliation(s)
- Paul H Goodwin
- School of Environmental Sciences, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada
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19
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Chu LL, Bae H. Bacterial endophytes from ginseng and their biotechnological application. J Ginseng Res 2022; 46:1-10. [PMID: 35035239 PMCID: PMC8753428 DOI: 10.1016/j.jgr.2021.04.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 03/30/2021] [Accepted: 04/09/2021] [Indexed: 12/19/2022] Open
Abstract
Ginseng has been well-known as a medicinal plant for thousands of years. Bacterial endophytes ubiquitously colonize the inside tissues of ginseng without any disease symptoms. The identification of bacterial endophytes is conducted through either the internal transcribed spacer region combined with ribosomal sequences or metagenomics. Bacterial endophyte communities differ in their diversity and composition profile, depending on the geographical location, cultivation condition, and tissue, age, and species of ginseng. Bacterial endophytes have a significant effect on the growth of ginseng through indole-3-acetic acid (IAA) and siderophore production, phosphate solubilization, and nitrogen fixation. Moreover, bacterial endophytes can protect ginseng by acting as biocontrol agents. Interestingly, bacterial endophytes isolated from Panax species have the potential to produce ginsenosides and bioactive metabolites, which can be used in the production of food and medicine. The ability of bacterial endophytes to transform major ginsenosides into minor ginsenosides using β-glucosidase is gaining increasing attention as a promising biotechnology. Recently, metabolic engineering has accelerated the possibilities for potential applications of bacterial endophytes in producing beneficial secondary metabolites.
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Affiliation(s)
- Luan Luong Chu
- Faculty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi, Viet Nam
- Bioresource Research Center, Phenikaa University, Hanoi, Viet Nam
| | - Hanhong Bae
- Department of Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
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20
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Xie G, Guo BQ, Li XM, Liu S, Liu HX, Wang YZ. Enhancement of biotransformation of ginsenosides in white ginseng roots by aerobic co-cultivation of Bacillus subtilis and Trichoderma reesei. Appl Microbiol Biotechnol 2021; 105:8265-8276. [PMID: 34661708 DOI: 10.1007/s00253-021-11631-1] [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: 05/03/2021] [Revised: 08/26/2021] [Accepted: 10/05/2021] [Indexed: 11/28/2022]
Abstract
In the present work, the biotransformation of ginsenosides in white ginseng roots was innovatively investigated using the aerobic fermentation by the co-cultivation of Bacillus subtilis and Trichoderma reesei. It is found that in the co-cultivation mode, the optimal nitrogen source was corn steep liquor, and the loading of ginseng powder and inoculation proportion of B. subtilis and T. reesei were 15 g/L and 1:4, respectively. The total ginsenoside yield and production of minor ginsenosides in the co-cultivation mode obviously enhanced in comparison to the monoculture mode. Meanwhile, the maximal total ginsenoside yield of 21.79% and high hydrolase activities were achieved using the staged inoculation at the inoculation proportion of 1:4 in the co-cultivation mode, the production of minor ginsenosides such as Rg3 and Rh1, Rh2 was significantly strengthened, and the pharmacological activities of the fermented solution obviously improved. The enhancement of ginsenoside transformation can be mainly attributed to hydrolysis of the produced hydrolases and metabolism of two probiotics. This result clearly reveals that using the staged inoculation in co-cultivation fermentation mode was favor of the ginsenoside biotransformation in ginseng due to non-synchronous cell growth and different metabolic pathways of both probiotics. This work can provide a novel method for enhancing ginsenoside transformation of ginseng.Key points• Co-cultivation fermentation significantly promoted ginsenoside biotransformation.• The staged inoculation in co-culture mode was an optimal operation method.• The pharmacological activity of the co-cultured solution was significantly enhanced.
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Affiliation(s)
- Guo Xie
- Gene and Protein Engineering Technology Research Center of Guangdong Province, Institutes of Zhongshan, University of Electronic Science and Technology of China, Zhongshan, 528402, Guangdong Province, China
| | - Bian-Qin Guo
- Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, China.
| | - Xiao-Min Li
- Perfect (China) Co., Ltd., Zhongshan, 528402, Guangdong Province, China
| | - Shuai Liu
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400030, China
| | - Hong-Xia Liu
- Perfect (China) Co., Ltd., Zhongshan, 528402, Guangdong Province, China
| | - Yong-Zhong Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400030, China.
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21
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Ginsenoside Rh2 Suppresses Metastasis and Growth of Colon Cancer via miR-491. JOURNAL OF ONCOLOGY 2021; 2021:6815713. [PMID: 34603449 PMCID: PMC8486518 DOI: 10.1155/2021/6815713] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 01/20/2023]
Abstract
Ginsenoside Rh2 is considered as a new direction for future cancer treatment because of its excellent anticancer effect. However, due to its low bioavailability, it cannot exert its significant anticancer effect when applied directly to the human body. Chitosan (CS), a nanomaterial, has been verified to be able to enhance drug efficacy via its coating for drugs. Thus, we designed this study to investigate the impact of CS-coated ginsenoside Rh2 on the metastasis and growth of colon cancer (CC). First, ginsenoside Rh2 chitosan tripolyphosphate (CS-Rh2-TPP) nanoparticles (NPs) were constructed, and MTT, transwell, scratch adhesion, and flow cytometry assays were carried out for determining the impact of CS-Rh2-TPP at various concentrations on growth, metastasis, and apoptosis of colon cancer cells (CCCs). qRT-PCR was used to detect the expression of mircoRNA-491 (miR-491) in CCCs. According to TEM-based image analysis, CS-Rh2-TPP NPs were spherical or spheroidal in even distribution, with a particle size of about 220 mm and a zeta potential of −44.58 ± 2.84 mV. Additionally, CCCs presented lower miR-491 than normal colon cells, and its relative expression in CCCs showed a stronger increase after intervention of CS-Rh2-TPP than that after intervention of ginsenoside Rh2. Moreover, CS-Rh2-TPP suppressed the activity, invasion, as well as migration of CCCs and accelerated their apoptosis more significantly than ginsenoside Rh2. According to these results, CS-Rh2-TPP is able to upregulate miR-491 in CCCs, thus suppressing the metastasis and growth of CC.
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22
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Feng L, Zhang AX, Li L, Zhang XJ, Wang Z, Tan NH. Diversity of cultivable endophytic fungi in two Rubia plants and their potential for production of anti-tumour Rubiaceae-type cyclopeptides. Lett Appl Microbiol 2021; 73:759-769. [PMID: 34591984 DOI: 10.1111/lam.13571] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/28/2021] [Accepted: 09/20/2021] [Indexed: 01/19/2023]
Abstract
Rubia plants are one of the most important plant resources possessing significant commercial and medicinal values. Plant endophytes could benefit their host plants in different ways. Rubiaceae-type cyclopeptides (RAs), mainly isolated from Rubia plants, have attracted considerable attentions for their distinctive bicyclic structures and significant antitumor activities, but their contents in plants are low. The aim of this study is to investigate the diversity of endophytic fungi in Rubia plants and their potential for production of RAs. In this work, 143 endophytic fungi isolates were obtained from two Rubia plants. Phylogenetic analysis was performed based on the ITS rDNA sequences, and the isolates were classified into 29 genera. Among them, four endophytic fungal strains were found to produce anti-tumour RAs by LC-MS/MS analysis. This work successfully provides valuable knowledges of endophytic fungi microbiome in Rubia plants for agricultural and industrial applications, and exploits a new environmental-friendly resource of RAs.
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Affiliation(s)
- L Feng
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - A X Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - L Li
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - X J Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Z Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - N H Tan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
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23
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Yang W, Zhou J, Harindintwali JD, Yu X. Production of minor ginsenosides by combining Stereum hirsutum and cellulase. PLoS One 2021; 16:e0255899. [PMID: 34358262 PMCID: PMC8345839 DOI: 10.1371/journal.pone.0255899] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 07/26/2021] [Indexed: 12/30/2022] Open
Abstract
Minor ginsenosides (MGs) (include ginsenoside F2, Compound K, PPT, etc), which are generally not produced by ginseng plants naturally, are obtained by deglycosylation of major ginsenosides. However, the conventional processes used to produce deglycosylated ginsenosides focus on the use of intestinal microorganisms for transformation. In this study, an edible and medicinal mushroom Stereum hirsutum JE0512 was screened from 161 β-glucosidase-producing soil microorganisms sourced from wild ginseng using the plate coloration method. Furthermore, JE0512 was used for the production of CK from ginseng extracts (GE) in solid-state fermentation (SSF) using 20 g corn bran as substrate, 4 g GE, and 20% inoculation volume, and the results showed that the highest CK content was 29.13 mg/g. After combining S. hirsutum JE0512 with cellulase (Aspergillus niger), the MGs (F2, CK, and PPT) content increased from 1.66 to 130.79 mg/g in the final products. Our results indicate that the Stereum genus has the potential to biotransform GE into CK and the combination of S. hirsutum JE0512 and cellulase could pave the way for the production of MGs from GE.
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Affiliation(s)
- Wenhua Yang
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
| | - Jianli Zhou
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
- School of Food and Drug Manufacturing Engineering, Guizhou Institute of Technology, Guiyang, Guizhou, China
| | - Jean Damascene Harindintwali
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
| | - Xiaobin Yu
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, China
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Chen Y, Hu B, Xing J, Li C. Endophytes: the novel sources for plant terpenoid biosynthesis. Appl Microbiol Biotechnol 2021; 105:4501-4513. [PMID: 34047817 PMCID: PMC8161352 DOI: 10.1007/s00253-021-11350-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/06/2021] [Accepted: 05/11/2021] [Indexed: 12/16/2022]
Abstract
Terpenoids are natural compounds predominantly present in plants. They have many pharmaceutical and/or nutritional functions, and have been widely applied in medical, food, and cosmetics industries. Recently, terpenoids have been used in the clinical treatment of COVID-19 due to the good antiviral activities. The increasing demand for terpenoids in international markets poses a serious threat to many plant species. For environmentally sustainable development, microbial cell factories have been utilized as the promising platform to produce terpenoids. Nevertheless, the bioproduction of most terpenoids cannot meet commercial requirements due to the low cost-benefit ratio until now. The biosynthetic potential of endophytes has gained attention in recent decades owing to the continual discovery of endophytes capable of synthesizing plant bioactive compounds. Accordingly, endophytes could be alternative sources of terpenoid-producing strains or terpenoid synthetic genes. In this review, we summarized the research progress describing the main and supporting roles of endophytes in terpenoid biosynthesis and biotransformation, and discussed the current problems and challenges which may prevent the further exploitation. This review will improve our understanding of endophyte resources for terpenoid production in industry in the future. The four main research interests on endophytes for terpenoid production. A: Isolation of terpenoid-producing endophytes; B: The heterologous expression of endophyte-derived terpenoid synthetic genes; C: Endophytes promoting their hosts' terpenoid production. The blue dashed arrows indicate signal transduction; D: Biotransformation of terpenoids by endophytes or their enzymes. Key points• The mechanisms employed by endophytes in terpenoid synthesis in vivo and in vitro.• Endophytes have the commercial potentials in terpenoid bioproduction and biotransformation.• Synthetic biology and multiomics will improve terpenoid bioproduction in engineered cell factories.
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Affiliation(s)
- Yachao Chen
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Bing Hu
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
| | - Jianmin Xing
- CAS Key Laboratory of Green Process and Engineering & State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chun Li
- Key Lab for Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China.
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Wu W, Chen W, Liu S, Wu J, Zhu Y, Qin L, Zhu B. Beneficial Relationships Between Endophytic Bacteria and Medicinal Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:646146. [PMID: 33968103 PMCID: PMC8100581 DOI: 10.3389/fpls.2021.646146] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/06/2021] [Indexed: 05/03/2023]
Abstract
Plants benefit extensively from endophytic bacteria, which live in host plant tissues exerting no harmful effects. Bacterial endophytes promote the growth of host plants and enhance their resistance toward various pathogens and environmental stresses. They can also regulate the synthesis of secondary metabolites with significant medicinal properties and produce various biological effects. This review summarizes recent studies on the relationships between bacterial endophytes and medicinal plants. Endophytic bacteria have numerous applications in agriculture, medicine, and other industries: improving plant growth, promoting resistance toward both biotic and abiotic stresses, and producing metabolites with medicinal potential. Their distribution and population structure are affected by their host plant's genetic characteristics and health and by the ecology of the surrounding environment. Understanding bacterial endophytes can help us use them more effectively and apply them to medicinal plants to improve yield and quality.
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Affiliation(s)
| | | | | | | | | | - Luping Qin
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Bo Zhu
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
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26
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Yao L, Wang J, He J, Huang L, Gao W. Endophytes, biotransforming microorganisms, and engineering microbial factories for triterpenoid saponins production. Crit Rev Biotechnol 2021; 41:249-272. [PMID: 33472430 DOI: 10.1080/07388551.2020.1869691] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Triterpenoid saponins are structurally diverse secondary metabolites. They are the main active ingredient of many medicinal plants and have a wide range of pharmacological effects. Traditional production of triterpenoid saponins, directly extracted from cultivated plants, cannot meet the rapidly growing demand of pharmaceutical industry. Microorganisms with triterpenoid saponins production ability (especially Agrobacterium genus) and biotransformation ability, such as fungal species in Armillaria and Aspergillus genera and bacterial species in Bacillus and Intestinal microflora, represent a valuable source of active metabolites. With the development of synthetic biology, engineering microorganisms acquired more potential in terms of triterpenoid saponins production. This review focusses on potential mechanisms and the high yield strategies of microorganisms with inherent production or biotransformation ability of triterpenoid saponins. Advances in the engineering of microorganisms, such as Saccharomyces cerevisiae, Yarrowia lipolytica, and Escherichia coli, for the biosynthesis triterpenoid saponins de novo have also been reported. Strategies to increase the yield of triterpenoid saponins in engineering microorganisms are summarized following four aspects, that is, introduction of high efficient gene, optimization of enzyme activity, enhancement of metabolic flux to target compounds, and optimization of fermentation conditions. Furthermore, the challenges and future directions for improving the yield of triterpenoid saponins biosynthesis in engineering microorganisms are discussed.
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Affiliation(s)
- Lu Yao
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China.,Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China
| | - Juan Wang
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China.,Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China
| | - Junping He
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China.,Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China
| | - Luqi Huang
- National Resource Center for Chinese Meteria Medica, China Academy of Chinese Medical Sciences, Beijing China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China.,Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin, China
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Kouipou Toghueo RM, Youmbi DY, Boyom FF. Endophytes from Panax species. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2020.101882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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28
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Deciphering the Key Pharmacological Pathways and Targets of Yisui Qinghuang Powder That Acts on Myelodysplastic Syndromes Using a Network Pharmacology-Based Strategy. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:8877295. [PMID: 33488754 PMCID: PMC7787775 DOI: 10.1155/2020/8877295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 11/10/2020] [Accepted: 11/27/2020] [Indexed: 01/21/2023]
Abstract
Background Yisui Qinghuang powder (YSQHP) is an effective traditional Chinese medicinal formulation used for the treatment of myelodysplastic syndromes (MDS). However, its pharmacological mechanism of action is unclear. Materials and Methods In this study, the active compounds of YSQHP were screened using the traditional Chinese medicine systems pharmacology (TCMSP) and HerDing databases, and the putative target genes of YSQHP were predicted using the STITCH and DrugBank databases. Then, we further screened the correlative biotargets of YSQHP and MDS. Finally, the compound-target-disease (C-T-D) network was conducted using Cytoscape, while GO and KEGG analyses were conducted using R software. Furthermore, DDI-CPI, a web molecular docking analysis tool, was used to verify potential targets and pathways. Finally, binding site analysis was performed to identify core targets using MOE software. Results Our results identified 19 active compounds and 273 putative target genes of YSQHP. The findings of the C-T-D network revealed that Rb1, CASP3, BCL2, and MAPK3 showed the most number of interactions, whereas indirubin, tryptanthrin, G-Rg1, G-Rb1, and G-Rh2 showed the most number of potential targets. The GO analysis showed that 17 proteins were related with STPK activity, PUP ligase binding, and kinase regulator activity. The KEGG analysis showed that PI3K/AKT, apoptosis, and the p53 pathways were the main pathways involved. DDI-CPI identified the top 25 proteins related with PI3K/AKT, apoptosis, and the p53 pathways. CASP8, GSK3B, PRKCA, and VEGFR2 were identified as the correlative biotargets of DDI-CPI and PPI, and their binding sites were found to be indirubin, G-Rh2, and G-Rf. Conclusion Taken together, our results revealed that YSQHP likely exerts its antitumor effects by binding to CASP8, GSK3B, PRKCA, and VEGFR2 and by regulating the apoptosis, p53, and PI3K/AKT pathways.
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Yue L, Li J, Jin W, Zhao M, Xie P, Chi S, Lei Z, Zhu H, Zhao Y. Host–guest interaction between 20(S)-protopanaxatriol and three polyamine-modified β-cyclodextrins: preparation, characterization, inclusion modes, and solubilization. J INCL PHENOM MACRO 2020. [DOI: 10.1007/s10847-020-00992-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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