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Tiwari P, Thakkar S, Dufossé L. Antimicrobials from endophytes as novel therapeutics to counter drug-resistant pathogens. Crit Rev Biotechnol 2024:1-27. [PMID: 38710617 DOI: 10.1080/07388551.2024.2342979] [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: 01/18/2023] [Accepted: 01/29/2024] [Indexed: 05/08/2024]
Abstract
The rapid increase in antimicrobial resistance (AMR) projects a "global emergency" and necessitates a need to discover alternative resources for combating drug-resistant pathogens or "superbugs." One of the key themes in "One Health Concept" is based on the fact that the interconnected network of humans, the environment, and animal habitats majorly contribute to the rapid selection and spread of AMR. Moreover, the injudicious and overuse of antibiotics in healthcare, the environment, and associated disciplines, further aggravates the concern. The prevalence and persistence of AMR contribute to the global economic burden and are constantly witnessing an upsurge due to fewer therapeutic options, rising mortality statistics, and expensive healthcare. The present decade has witnessed the extensive exploration and utilization of bio-based resources in harnessing antibiotics of potential efficacies. The discovery and characterization of diverse chemical entities from endophytes as potent antimicrobials define an important yet less-explored area in natural product-mediated drug discovery. Endophytes-produced antimicrobials show potent efficacies in targeting microbial pathogens and synthetic biology (SB) mediated engineering of endophytes for yield enhancement, forms a prospective area of research. In keeping with the urgent requirements for new/novel antibiotics and growing concerns about pathogenic microbes and AMR, this paper comprehensively reviews emerging trends, prospects, and challenges of antimicrobials from endophytes and their effective production via SB. This literature review would serve as the platform for further exploration of novel bioactive entities from biological organisms as "novel therapeutics" to address AMR.
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Affiliation(s)
- Pragya Tiwari
- Department of Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
| | - Shreya Thakkar
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, India
| | - Laurent Dufossé
- Laboratoire CHEMBIOPRO (Chimie et Biotechnologie des Produits Naturels), ESIROI Département agroalimentaire, Université de La Réunion, Saint-Denis, France
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Liu X, Zhou ZY, Cui JL, Wang ML, Wang JH. Biotransformation ability of endophytic fungi: from species evolution to industrial applications. Appl Microbiol Biotechnol 2021; 105:7095-7113. [PMID: 34499202 PMCID: PMC8426592 DOI: 10.1007/s00253-021-11554-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/26/2022]
Abstract
Increased understanding of the interactions between endophytic fungi and plants has led to the discovery of a new generation of chemical compounds and processes between endophytic fungi and plants. Due to the long-term co-evolution between fungal endophytes and host plants, endophytes have evolved special biotransformation abilities, which can have critical consequences on plant metabolic processes and their composition. Biotransformation or bioconversion can impact the synthesis and decomposition of hormones, sugars, amino acids, vitamins, lipids, proteins, and various secondary metabolites, including flavonoids, polysaccharides, and terpenes. Endophytic fungi produce enzymes and various bioactive secondary metabolites with industrial value and can degrade or sequester inorganic and organic small molecules and macromolecules (e.g., toxins, pollutants, heavy metals). These fungi also have the ability to cause highly selective catalytic conversion of high-value compounds in an environmentally friendly manner, which can be important for the production/innovation of bioactive molecules, food and nutrition, agriculture, and environment. This work mainly summarized recent research progress in this field, providing a reference for further research and application of fungal endophytes. KEY POINTS: •The industrial value of degradation of endophytes was summarized. • The commercial value for the pharmaceutical industry is reviewed.
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Affiliation(s)
- Xi Liu
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, Shanxi, China
- Modern Research Center for Traditional Chinese Medicine, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, Shanxi, China
| | - Zhong-Ya Zhou
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, Shanxi, China
- Modern Research Center for Traditional Chinese Medicine, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, Shanxi, China
| | - Jin-Long Cui
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, Shanxi, China.
| | - Meng-Liang Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, Shanxi, China
| | - Jun-Hong Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, Shanxi, China
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Wang C, Sarotti AM, Zaman KHAU, Wu X, Cao S. New Alkaloids From a Hawaiian Fungal Strain Aspergillus felis FM324. Front Chem 2021; 9:724617. [PMID: 34434921 PMCID: PMC8380829 DOI: 10.3389/fchem.2021.724617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 07/28/2021] [Indexed: 11/15/2022] Open
Abstract
Two new alkaloids tryptoquivaline Y (1) and pseurotin I (2), together with eight known compounds (3-10), were purified from a fungal strain Aspergillus felis FM324, which was isolated from a Hawaiian beach soil sample. The absolute configuration and physicochemical data of tryptoquivaline Z (3) were reported for the first time here in this paper. Compound 1 is an uncommon tryptoquivaline analog containing a 3-O-isobutanoyl group. The structures of the new compounds 1-2 and known compound 3 were elucidated through HRESIMS, NMR spectroscopy and ECD analysis. All the compounds were evaluated for their antiproliferative, antibacterial and NF-κB inhibitory activities. Compound 4 showed weak antibacterial activity against Staphylococcus aureus, methicillin resistant Staphylococcus aureus and Bacillus subtilis with the same MIC value of 59.2 µM. Compounds 3 and 2 inhibited NF-κB with IC50 values of 26.7 and 30.9 μM, respectively.
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Affiliation(s)
- Cong Wang
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, Hilo, HI, United States
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, China
| | - Ariel M. Sarotti
- Facultad de Ciencias Bioquímicas y Farmacéuticas, Instituto de Química Rosario (CONICET), Universidad Nacional de Rosario, Rosario, Argentina
| | - KH Ahammad Uz Zaman
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, Hilo, HI, United States
| | - Xiaohua Wu
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, Hilo, HI, United States
| | - Shugeng Cao
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, Hilo, HI, United States
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López-Berenguer C, Donaire L, González-Ibeas D, Gómez-Aix C, Truniger V, Pechar GS, Aranda MA. Virus-Infected Melon Plants Emit Volatiles that Induce Gene Deregulation in Neighboring Healthy Plants. PHYTOPATHOLOGY 2021; 111:862-869. [PMID: 33258410 DOI: 10.1094/phyto-07-20-0301-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
It is well described that viral infections stimulate the emission of plant volatiles able to recruit viral vectors thereby promoting virus spread. In contrast, much less is known on the effects that emitted volatiles may have on the metabolism of healthy neighboring plants, which are potential targets for new infections through vector transmission. Watermelon mosaic virus (WMV) (genus Potyvirus, family Potyviridae) is an aphid-transmitted virus endemic in cucurbit crops worldwide. We have compared gene expression profiles of WMV-infected melon plants with those of healthy or healthy-but-cohabited-with-infected plants. Pathogenesis-related (PR) and small heat shock protein encoding genes were deregulated in cohabited plants, and PR deregulation depended on the distance to the infected plant. The signaling was short distance in the experimental conditions used, and cohabiting had a moderate effect on the plant susceptibility to WMV. Static headspace experiments showed that benzaldehyde and γ-butyrolactone were significantly over-emitted by WMV-infected plants. Altogether, our data suggest that perception of a volatile signal encoded by WMV-infected tissues triggers a response to prepare healthy tissues or/and healthy neighboring plants for the incoming infections.
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Affiliation(s)
- Carmen López-Berenguer
- Abiopep S.L., R&D Department, Parque Científico de Murcia, Ctra. de Madrid, Km 388, Complejo de Espinardo, Edf. R, 30100 Espinardo, Murcia, Spain
| | - Livia Donaire
- Centro de Edafología y Biología Aplicada del Segura (CEBAS)-CSIC, Department of Stress Biology and Plant Pathology, P.O. Box 164, 30100 Espinardo, Murcia, Spain
| | - Daniel González-Ibeas
- Centro de Edafología y Biología Aplicada del Segura (CEBAS)-CSIC, Department of Stress Biology and Plant Pathology, P.O. Box 164, 30100 Espinardo, Murcia, Spain
| | - Cristina Gómez-Aix
- Abiopep S.L., R&D Department, Parque Científico de Murcia, Ctra. de Madrid, Km 388, Complejo de Espinardo, Edf. R, 30100 Espinardo, Murcia, Spain
| | - Verónica Truniger
- Centro de Edafología y Biología Aplicada del Segura (CEBAS)-CSIC, Department of Stress Biology and Plant Pathology, P.O. Box 164, 30100 Espinardo, Murcia, Spain
| | - Giuliano S Pechar
- Centro de Edafología y Biología Aplicada del Segura (CEBAS)-CSIC, Department of Stress Biology and Plant Pathology, P.O. Box 164, 30100 Espinardo, Murcia, Spain
| | - Miguel A Aranda
- Centro de Edafología y Biología Aplicada del Segura (CEBAS)-CSIC, Department of Stress Biology and Plant Pathology, P.O. Box 164, 30100 Espinardo, Murcia, Spain
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Zhang YY, Zhang Y, Yao YB, Lei XL, Qian ZJ. Butyrolactone-I from Coral-Derived Fungus Aspergillus terreus Attenuates Neuro-Inflammatory Response via Suppression of NF-κB Pathway in BV-2 Cells. Mar Drugs 2018; 16:E202. [PMID: 29880753 PMCID: PMC6025369 DOI: 10.3390/md16060202] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 05/23/2018] [Accepted: 06/06/2018] [Indexed: 12/11/2022] Open
Abstract
Butyrolactone-I (ZB5-1) from the coral-derived fungus Aspergillus terreus was investigated in this study to estimate its anti-neuroinflammatory effects on lipopolysaccharide (LPS)-induced BV-2 microglia cells. MTT assay indicated that ZB5-1 in tested concentrations had no cytotoxicity on BV-2 cells, and significantly reduced the production of nitric oxide (NO), measured using Griess reagent, and interleukin-1 beta (IL-1β), detected by enzyme-linked immunosorbent assay (ELISA). ZB5-1 also down-regulated the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in a dose-dependent manner by Western blot analysis. Moreover, the effect of ZB5-1 on the nuclear factor-κB (NF-κB) signaling pathway was studied via the expression of phosphorylation of NF-κB p65 and inhibitor of NF-κB (IκB), and the nuclear translocation of NF-κB p65 respectively. The results showed that ZB5-1 could inhibit the phosphorylation of p65 and IκB. Furthermore, molecular docking study suggested that ZB5-1 bound at the active sites of NF-κB to prevent its translocation to the nucleus. Therefore, we suggest ZB5-1 has a potential to reduce the anti-inflammatory response in LPS-induced BV-2 cells.
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Affiliation(s)
- Yuan Yuan Zhang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Yi Zhang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
- Shenzhen Institute of Guangdong Ocean University, Shenzhen 518108, China.
| | - Yuan-Bei Yao
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Xiao-Ling Lei
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Zhong-Ji Qian
- Shenzhen Institute of Guangdong Ocean University, Shenzhen 518108, China.
- College of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China.
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