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Priyanto JA, Prastya ME, Astuti RI, Kristiana R. The Antibacterial and Antibiofilm Activities of the Endophytic Bacteria Associated with Archidendron pauciflorum against Multidrug-Resistant Strains. Appl Biochem Biotechnol 2023; 195:6653-6674. [PMID: 36913097 DOI: 10.1007/s12010-023-04382-4] [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] [Accepted: 02/16/2023] [Indexed: 03/14/2023]
Abstract
Endophytes associated with medicinal plants are a potential source of valuable natural products. This study aimed to evaluate the antibacterial and antibiofilm activities of endophytic bacteria from Archidendron pauciflorum against multidrug-resistant (MDR) strains. A total of 24 endophytic bacteria were isolated from the leaf, root, and stem of A. pauciflorum. Seven isolates showed antibacterial activity with different spectra against four MDR strains. Extracts derived from four selected isolates (1 mg/mL) also displayed antibacterial activity. Among four selected isolates, DJ4 and DJ9 isolates exhibited the strongest antibacterial activity against P. aeruginosa strain M18, as indicated by the lowest minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) (DJ4 and DJ9 MIC: 7.81 µg/mL; DJ4 and DJ9 MBC: 31.25 µg/mL). 2 × MIC of DJ4 and DJ9 extracts was found to be the most effective concentration to inhibit more than 52% of biofilm formation and eradicate more than 42% of established biofilm against all MDR strains. 16S rRNA-based identification revealed four selected isolates belong to the genus Bacillus. DJ9 isolate possessed nonribosomal peptide synthetase (NRPS) gene, and DJ4 isolate possessed NRPS and polyketide synthase type I (PKS I) gene. Both these genes are commonly responsible for secondary metabolites synthesis. Several antimicrobial compounds, including 1,4-dihydroxy-2-methyl-anthraquinone and paenilamicin A1, were detected in the bacterial extracts. This study highlights endophytic bacteria isolated from A. pauciflorum provide a great source of novel antibacterial compounds.
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Affiliation(s)
- Jepri Agung Priyanto
- Division of Microbiology, Department of Biology, Faculty of Mathematics and Natural Sciences, IPB University, Bogor, Indonesia.
| | - Muhammad Eka Prastya
- Research Center for Pharmaceutical Ingredients and Traditional Medicine, National Research and Innovation Agency (BRIN), Serpong, Indonesia
| | - Rika Indri Astuti
- Division of Microbiology, Department of Biology, Faculty of Mathematics and Natural Sciences, IPB University, Bogor, Indonesia
| | - Rhesi Kristiana
- Indonesian Marine Education and Research Organisation (MERO) Foundation, Br. Dinas Muntig, Bali, Indonesia
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Raghuveer D, Pai VV, Murali TS, Nayak R. Exploring Anthraquinones as Antibacterial and Antifungal agents. ChemistrySelect 2023. [DOI: 10.1002/slct.202204537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Dhanush Raghuveer
- Department of Biotechnology Manipal School of Life Sciences Manipal Academy of Higher Education Manipal 576104 India
| | - V. Varsha Pai
- Department of Biotechnology Manipal School of Life Sciences Manipal Academy of Higher Education Manipal 576104 India
| | - Thokur Sreepathy Murali
- Department of Biotechnology Manipal School of Life Sciences Manipal Academy of Higher Education Manipal 576104 India
| | - Roopa Nayak
- Department of Biotechnology Manipal School of Life Sciences Manipal Academy of Higher Education Manipal 576104 India
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Cheemalamarri C, Batchu UR, Thallamapuram NP, Katragadda SB, Reddy Shetty P. A review on hydroxy anthraquinones from bacteria: crosstalk's of structures and biological activities. Nat Prod Res 2022; 36:6186-6205. [PMID: 35175877 DOI: 10.1080/14786419.2022.2039920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Anthraquinones (AQ), unveiling large structural diversity, among polyketides demonstrate a wide range of applications. The hydroxy anthraquinones (HAQ), a group of anthraquinone derivatives, are secondary metabolites produced by bacteria and eukaryotes. Plant-based HAQ are well-studied unlike bacterial HAQ and applied as herbal medicine for centuries. Bacteria are known to synthesize a wide variety of structurally diversified HAQ through polyketide pathways using polyketide synthases (I, II & III) principally through polyketide synthase-II. The actinobacteria especially the genus Streptomyces and Micromonospora represent a rich source of HAQ, however novel HAQ are reported from the rare actinobacteria genera (Salinospora, Actinoplanes, Amycoloptosis, Verrucosispora, Xenorhabdus, and Photorhabdus. Though several reviews are available on AQ produced by plants and fungi, however none on bacterial AQ. The current review focused on sources of bacterial HAQ and their structural diversity and biological activities along with toxicity and side effects.
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Affiliation(s)
- Chandrasekhar Cheemalamarri
- Medicinal Chemistry and Biotechnology Lab- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India.,Department of Biotechnology, Acharya Nagarjuna University, Guntur, Andhra Pradesh, India
| | - Uma Rajeswari Batchu
- Medicinal Chemistry and Biotechnology Lab- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Nagendra Prasad Thallamapuram
- Medicinal Chemistry and Biotechnology Lab- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Suresh Babu Katragadda
- Centre for natural products and traditional knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Prakasham Reddy Shetty
- Medicinal Chemistry and Biotechnology Lab- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
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Krishnan K, Nabila M. Streptomyces sp. Vitnk9 derived compound against fish bacterial pathogens. BIOMEDICAL AND BIOTECHNOLOGY RESEARCH JOURNAL (BBRJ) 2022. [DOI: 10.4103/bbrj.bbrj_296_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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El-Shatoury SA, Ameen F, Moussa H, Abdul Wahid O, Dewedar A, AlNadhari S. Biocontrol of chocolate spot disease ( Botrytis cinerea) in faba bean using endophytic actinomycetes Streptomyces: a field study to compare application techniques. PeerJ 2020; 8:e8582. [PMID: 32195043 PMCID: PMC7067178 DOI: 10.7717/peerj.8582] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 01/16/2020] [Indexed: 12/14/2022] Open
Abstract
Sustainable agriculture is needing economic applications for disease control. One possibility is offered by local medical plants. Endophytes of medical plants, such as actinomycetes Streptomyces sp. have previously shown antagonistic activities against fungal phytopathogens. In the present field experiment, we aimed to verify the efficiency of endophytic Streptomyces against one of the common pathogens, Botrytis cinerea, causing chocolate spot disease for faba bean (Vicia fabae L.). We tested two strains of Streptomyces (MG788011, MG788012) and three techniques to apply the biocontrol agent: (1) coating the seeds with spores, (2) spraying mycelia and (3) spraying the crude metabolites over the plants. The technique using the crude metabolites was the most efficient to prevent the disease symptoms. Both of the endophytic strains diminished the disease symptoms and improved the plant growth. The study offers a potential biological control technique to prevent chocolate spot disease and, at the same time, increase the yields of faba bean in sustainable agriculture.
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Affiliation(s)
- Sahar A El-Shatoury
- Botany Department, Faculty of Sciences, Suez Canal University, Ismailia, Egypt
| | - Fuad Ameen
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia.,Department of Marine Biology, Al-Hodeidah University, Al-Hodeidah, Yemen
| | - Heba Moussa
- Botany Department, Faculty of Sciences, Suez Canal University, Ismailia, Egypt
| | - Omar Abdul Wahid
- Botany Department, Faculty of Sciences, Suez Canal University, Ismailia, Egypt
| | - Ahmed Dewedar
- Botany Department, Faculty of Sciences, Suez Canal University, Ismailia, Egypt
| | - Saleh AlNadhari
- Department of Plant Protection, College of Agriculture, King Saud University, Riyadh, Saudi Arabia.,Department of Plant Protection, College of Agriculture & Veterinary Medicine Farms, Yemen, Ibb University, Ibb, Yemen
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Hug JJ, Bader CD, Remškar M, Cirnski K, Müller R. Concepts and Methods to Access Novel Antibiotics from Actinomycetes. Antibiotics (Basel) 2018; 7:E44. [PMID: 29789481 PMCID: PMC6022970 DOI: 10.3390/antibiotics7020044] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 05/14/2018] [Accepted: 05/17/2018] [Indexed: 12/25/2022] Open
Abstract
Actinomycetes have been proven to be an excellent source of secondary metabolites for more than half a century. Exhibiting various bioactivities, they provide valuable approved drugs in clinical use. Most microorganisms are still untapped in terms of their capacity to produce secondary metabolites, since only a small fraction can be cultured in the laboratory. Thus, improving cultivation techniques to extend the range of secondary metabolite producers accessible under laboratory conditions is an important first step in prospecting underexplored sources for the isolation of novel antibiotics. Currently uncultured actinobacteria can be made available by bioprospecting extreme or simply habitats other than soil. Furthermore, bioinformatic analysis of genomes reveals most producers to harbour many more biosynthetic gene clusters than compounds identified from any single strain, which translates into a silent biosynthetic potential of the microbial world for the production of yet unknown natural products. This review covers discovery strategies and innovative methods recently employed to access the untapped reservoir of natural products. The focus is the order of actinomycetes although most approaches are similarly applicable to other microbes. Advanced cultivation methods, genomics- and metagenomics-based approaches, as well as modern metabolomics-inspired methods are highlighted to emphasise the interplay of different disciplines to improve access to novel natural products.
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Affiliation(s)
- Joachim J Hug
- Department Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI) and Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany.
- German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany.
| | - Chantal D Bader
- Department Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI) and Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany.
- German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany.
| | - Maja Remškar
- Department Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI) and Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany.
- German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany.
| | - Katarina Cirnski
- Department Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI) and Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany.
- German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany.
| | - Rolf Müller
- Department Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI) and Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany.
- German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany.
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Zheng W, Ji YB, Li WL, Dong J, Chen N, Yu XF, Wu J, Zhao D, Xiang Z. A pair of new isocoumarin epimers from soil fungus Hypoxylon sp. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2017; 19:993-999. [PMID: 28671852 DOI: 10.1080/10286020.2017.1347159] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 06/22/2017] [Indexed: 06/07/2023]
Abstract
In our research on novel secondary metabolites from micro-organisms, two new (1-2) and four known dihydroisocoumarins (3-6) were derived from soil fungus Hypoxylon sp. Their structures were determined with extensive NMR data analysis and ECD calculation comparing with those of experimental CD spectra. Interestingly, compounds 1 and 2 possessed the same planar structure and very similar NMR data, suggesting 1 and 2 were a pair of epimers at either C-3 or at C-4, confirmed by the totally opposite cotton effect around 250 nm in the CD spectra of 1 and 2. Moreover, for the first time, we revealed that the CD absorption peak at 250 nm was dominated by C-3 orientation, rather than the orientation of C-3 substituents, by intensive ECD investigations.
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Affiliation(s)
- Wei Zheng
- a Research Center on Life Sciences and Environmental Sciences, Harbin University of Commerce , Harbin 150076 , China
| | - Yu-Bin Ji
- a Research Center on Life Sciences and Environmental Sciences, Harbin University of Commerce , Harbin 150076 , China
| | - Wen-Lan Li
- b School of Pharmacy, Harbin University of Commerce , Harbin 150076 , China
| | - Jing Dong
- c Light Industry Institute, Harbin University of Commerce , Harbin 150028 , China
| | - Ning Chen
- a Research Center on Life Sciences and Environmental Sciences, Harbin University of Commerce , Harbin 150076 , China
| | - Xue-Fei Yu
- a Research Center on Life Sciences and Environmental Sciences, Harbin University of Commerce , Harbin 150076 , China
| | - Jian Wu
- a Research Center on Life Sciences and Environmental Sciences, Harbin University of Commerce , Harbin 150076 , China
| | - Dan Zhao
- d College of Food Engineering, Harbin University of Commerce , Harbin 150076 , China
| | - Zheng Xiang
- a Research Center on Life Sciences and Environmental Sciences, Harbin University of Commerce , Harbin 150076 , China
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Bhattacharjee K, Kumar S, Palepu NR, Patra PK, Rao KM, Joshi SR. Structure elucidation and in silico docking studies of a novel furopyrimidine antibiotics synthesized by endolithic bacterium Actinomadura sp. AL2. World J Microbiol Biotechnol 2017; 33:178. [PMID: 28932951 DOI: 10.1007/s11274-017-2343-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 09/16/2017] [Indexed: 12/11/2022]
Abstract
On screening of endolithic actinobacteria from a granite rock sample of Meghalaya for antibacterial compound, a novel antibacterial compound CCp1 was isolated from the fermentation broth of Actinomadura sp. AL2. On purification of the compound based on chromatographic techniques followed by characterization with FT-IR, UV-visible, 1H NMR, 13C NMR and mass spectrometry, the molecular formula of the compound was generated as C20H17N3O2, a furopyrimidine derivative. In vitro antibacterial activity of the compound was evaluated against both Gram positive and negative bacteria by agar well diffusion assay. The compound had lowest MIC (2.00 µg/ml) for Bacillus subtilis and highest MIC (> 64 µg/ml) for Staphylococcus epidermidis and Pseudomonas aeruginosa. The study revealed that the compound has potential antibacterial activity. The mode of action of the antibacterial compound was evaluated through in silico studies for its ability to bind DNA gyrase, 30S RNA molecules, OmpF porins and N-Acetylglucosamine-1-phosphate uridyltransferase (GlmU). The antibacterial compound demonstrated more favorable docking with DNA gyrase, 30S RNA molecules and OmpF porins than GlmU which support the antibacterial compound CCp1 can be as a promising broad spectrum antibiotic agent with "multitarget" characteristics.
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Affiliation(s)
- Kaushik Bhattacharjee
- Microbiology Laboratory, Department of Biotechnology & Bioinformatics, North-Eastern Hill University, Shillong, 793022, India
| | - Shakti Kumar
- Bioinformatics Center (ICMR), Department of Biochemistry, Pt. Jawaharlal Nehru Memorial Medical College, Raipur, India
| | - Narasinga Rao Palepu
- Centre for Advanced Studies in Chemistry, North-Eastern Hill University, Shillong, India
| | - Pradeep Kumar Patra
- Department of Biochemistry, Pt. Jawaharlal Nehru Memorial Medical College, Raipur, India
| | - Kollipara Mohan Rao
- Centre for Advanced Studies in Chemistry, North-Eastern Hill University, Shillong, India
| | - Santa Ram Joshi
- Microbiology Laboratory, Department of Biotechnology & Bioinformatics, North-Eastern Hill University, Shillong, 793022, India.
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