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Kanoujia J, Das A, Raina N, Kaur G, Singh SK, Tuli HS, Garg A, Gupta M. Recent advances in BCRP-induced breast cancer resistance treatment with marine-based natural products. IUBMB Life 2023; 75:896-910. [PMID: 37439402 DOI: 10.1002/iub.2764] [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: 12/30/2022] [Accepted: 06/07/2023] [Indexed: 07/14/2023]
Abstract
Breast cancer is the prominent cause of cancer-related death in women globally in terms of incidence and mortality. Despite, recent advances in the management of breast cancer, there are still a lot of cases of resistance to medicines, which is currently one of the biggest problems faced by researchers across the globe. Out of several mechanisms, breast cancer resistance protein (BCRP) arbitrated drug resistance is a major concern. Hormonal, cytotoxic and immunotherapeutic drugs are used in the systemic therapy of breast cancer. It is vital to choose drugs based on the clinical and molecular attributes of the tumor to provide better treatment with greater efficacy and minimal harm. Given the aforementioned necessity, the use of marine flora in treating breast cancer cannot be neglected. The scientists also stressed the value of marine-derived goods in avoiding breast cancer resistance. Future research into the identification of anticancer drugs will heavily draw upon the marine environment's ample supply of marine-derived natural products (MNPs), which have a wide range of biological functions. Cell cycle arrest, induction of apoptosis and anti-angiogenic, anti-proliferative and anti-metastasis actions are all part of their processes. The overview of breast cancer, the mechanisms underlying its resistance, recent clinical trials based on marine-derived products in breast cancer and the use of marine products in the treatment of breast cancer are highlighted in this paper. Moreover, the authors also emphasised the importance of marine-derived products in preventing breast cancer resistance.
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Affiliation(s)
- Jovita Kanoujia
- Amity Institute of Pharmacy, Amity University Madhya Pradesh (AUMP), Gwalior, India
| | - Anjali Das
- Center of Ocean Research, Sathyabama Institute of Science and Technology, Chennai, India
| | - Neha Raina
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Ginpreet Kaur
- Department of Pharmacology, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, Mumbai, India
| | | | - Hardeep S Tuli
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, India
| | - Ashish Garg
- Department of P.G. Studies and Research in Chemistry and Pharmacy, Rani Durgavati University Jabalpur, Jabalpur, India
| | - Madhu Gupta
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
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Chin EJ, Ching KC, Tan ZY, Wibowo M, Leong CY, Yang LK, Ng VWP, Seow DCS, Kanagasundaram Y, Ng SB. Natural Products from Singapore Soil-Derived Streptomycetaceae Family and Evaluation of Their Biological Activities. Molecules 2023; 28:5832. [PMID: 37570802 PMCID: PMC10421265 DOI: 10.3390/molecules28155832] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/26/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Natural products have long been used as a source of antimicrobial agents against various microorganisms. Actinobacteria are a group of bacteria best known to produce a wide variety of bioactive secondary metabolites, including many antimicrobial agents. In this study, four actinobacterial strains found in Singapore terrestrial soil were investigated as potential sources of new antimicrobial compounds. Large-scale cultivation, chemical, and biological investigation led to the isolation of a previously undescribed tetronomycin A (1) that demonstrated inhibitory activities against both Gram-positive bacteria Staphylococcus aureus (SA) and methicillin-resistant Staphylococcus aureus (MRSA) (i.e., MIC90 of 2-4 μM and MBC90 of 9-12 μM), and several known antimicrobial compounds, namely nonactin, monactin, dinactin, 4E-deacetylchromomycin A3, chromomycin A2, soyasaponin II, lysolipin I, tetronomycin, and naphthomevalin. Tetronomycin showed a two- to six-fold increase in antibacterial activity (i.e., MIC90 and MBC90 of 1-2 μM) as compared to tetronomycin A (1), indicating the presence of an oxy-methyl group at the C-27 position is important for antibacterial activity.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Yoganathan Kanagasundaram
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore 138673, Singapore; (E.-J.C.); (K.-C.C.); (Z.Y.T.); (M.W.); (C.-Y.L.); (L.-K.Y.); (V.W.P.N.); (D.C.S.S.)
| | - Siew-Bee Ng
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore 138673, Singapore; (E.-J.C.); (K.-C.C.); (Z.Y.T.); (M.W.); (C.-Y.L.); (L.-K.Y.); (V.W.P.N.); (D.C.S.S.)
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Fu X, Zheng Y, Lin C, Wang P, Wang C. An Evaluation of the Coupling Coordination of Technological Innovation System in China's Marine Biopharmaceutical Industry. JOURNAL OF OCEAN UNIVERSITY OF CHINA : JOUC 2022; 22:271-284. [PMID: 36033646 PMCID: PMC9395770 DOI: 10.1007/s11802-023-5310-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/14/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
The marine biopharmaceutical industry (MBI) has been considered as an important part of the blue economy. The high-quality development of this industry depends on the high-level coordinated development of technological innovation system (TIS). In the present study, the coupling mechanism of industrial innovation input subsystem and innovation output subsystem was analyzed for the first time. On this basis, the development level and coupling coordination level of TIS in China's MBI during 2008-2018 were empirically evaluated with the capacity coupling coordination model. Then, the obstacle factors were diagnosed and recognized with the obstacle model. The results showed that the innovation input index fluctuated at a low level in China's MBI. The innovation output index has basically maintained a growth trend, whereas the quality of development was not high. Although the coupling coordination level of TIS showed a positive change as mild disordered → primary coordinated → well-coordinated, the development type of innovation system has changed from the lagging output of innovation into the lagging input of innovation. Insufficient input of innovation factors remained the main obstacle to the improvement of coordination level. Based on the above analysis, suggestions were put forward from the perspectives of policy and fund guarantees to improve the coupling coordination level in China's MBI.
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Affiliation(s)
- Xiumei Fu
- School of Economics, Ocean University of China, Qingdao, 266100 China
| | - Yangming Zheng
- School of Economics, Ocean University of China, Qingdao, 266100 China
| | - Chunyu Lin
- School of Economics, Ocean University of China, Qingdao, 266100 China
| | - Ping Wang
- Business School, Qingdao University, Qingdao, 266100 China
| | - Changyun Wang
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003 China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237 China
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4
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Biological Evaluation, Phytochemical Screening, and Fabrication of Indigofera Linifolia Leaves Extract-Loaded Nanoparticles. Molecules 2022; 27:molecules27154707. [PMID: 35897890 PMCID: PMC9369860 DOI: 10.3390/molecules27154707] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/21/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
Indigofera linifolia is a medicinally important plant, and by virtue of its rich phytochemical composition, this plant is widely used as essential component in traditional medication systems. Due to its wide range of medicinal applications, the extract-loaded chitosan (Ext+Ch), extract-loaded PEG (Ext+PEG), and extract-loaded locust bean gum (Ext+LGB) nanoparticles (NPs) were prepared in the present study. The prepared NPs were then evaluated for their antibacterial, antioxidant, and antidiabetic potentials. Antibacterial activities of the crude extract and the synthesized NPs were performed following standard procedures reported in the literature. The antioxidant capabilities of extract and NPs were evaluated using DPPH free radical scavenging assay. The antidiabetic potential of the samples was evaluated against α-amylase and α-glucosidase. Ext+PEG NPs showed more potent antibacterial activity against the selected strains of bacteria with the highest activity against Escherichia coli. The lowest antibacterial potential was observed for Ext+LGB NPs. The Ext+LGB NPs IC50 value of 39 μg/mL was found to be the most potent inhibitor of DPPH free radicals. Ext+LGB NPs showed a greater extent of inhibition against α-glucosidase and α-amylase with an IC50 of 83 and 78 μg/mL, whereas for the standard acarbose the IC50 values recorded against the mentioned enzymes were 69 and 74 μg/mL, respectively. A high concentration of phenolics and flavonoids in the crude extract was confirmed through TPC and TFC tests, HPLC profiling, and GC–MS analysis. It was considered that the observed antibacterial, antidiabetic, and antioxidant potential might be due the presence of these phenolics and flavonoids detected. The plant could thus be considered as a potential candidate to be used as a remedy of the mentioned health complications. However, further research in this regard is needed to isolate the exact responsible compounds of the observed biological potentials exhibited by the crude extract. Further, toxicity and pharmacological evaluations in animal models are also needed to establish the safety or toxicity profile of the plant.
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Abdelrahman SM, Dosoky NS, Hanora AM, Lopanik NB. Metabolomic Profiling and Molecular Networking of Nudibranch-Associated Streptomyces sp. SCSIO 001680. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27144542. [PMID: 35889415 PMCID: PMC9321954 DOI: 10.3390/molecules27144542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/13/2022] [Accepted: 07/13/2022] [Indexed: 11/24/2022]
Abstract
Antibiotic-resistant bacteria are the primary source of one of the growing public health problems that requires global attention, indicating an urgent need for new antibiotics. Marine ecosystems are characterized by high biodiversity and are considered one of the essential sources of bioactive chemical compounds. Bacterial associates of marine invertebrates are commonly a source of active medicinal and natural products and are important sources for drug discovery. Hence, marine invertebrate-associated microbiomes are a fruitful resource for excavating novel genes and bioactive compounds. In a previous study, we isolated Streptomyces sp. SCSIO 001680, coded as strain 63, from the Red Sea nudibranch Chromodoris quadricolor, which exhibited antimicrobial and antitumor activity. In addition, this isolate harbors several natural product biosynthetic gene clusters, suggesting it has the potential to produce bioactive natural products. The present study aimed to investigate the metabolic profile of the isolated Streptomyces sp. SCSIO 001680 (strain 63) and to predict their potential role in the host’s survival. The crude metabolic extracts of strain 63 cultivated in two different media were characterized by ultra-high-performance liquid chromatography and high-resolution mass spectrometry. The metabolomics approach provided us with characteristic chemical fingerprints of the cellular processes and the relative abundance of specific compounds. The Global Products Social Molecular Networking database was used to identify the metabolites. While 434 metabolites were detected in the extracts, only a few compounds were identified based on the standards and the public spectral libraries, including desferrioxamines, marineosin A, and bisucaberin, halichoblelide, alternarin A, pachastrelloside A, streptodepsipeptide P1 1B, didemnaketal F, and alexandrolide. This finding suggests that this strain harbors several novel compounds. In addition, the metabolism of the microbiome of marine invertebrates remains poorly represented. Thus, our data constitute a valuable complement to the study of metabolism in the host microbiome.
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Affiliation(s)
- Samar M. Abdelrahman
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA;
- Department of Botany and Microbiology, Faculty of Science, Suez University, Suez 43518, Egypt
- Correspondence: ; Tel.: +20-103-015-1594
| | | | - Amro M. Hanora
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt;
| | - Nicole B. Lopanik
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA;
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
- American Cancer Society, Atlanta, GA 30303, USA
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Kapoor R, Saini A, Sharma D. Indispensable role of microbes in anticancer drugs and discovery trends. Appl Microbiol Biotechnol 2022; 106:4885-4906. [PMID: 35819512 DOI: 10.1007/s00253-022-12046-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 06/15/2022] [Accepted: 06/18/2022] [Indexed: 11/02/2022]
Abstract
Recent years have seen an increased focus on the advancement of naturally derived products for the treatment of cancer. Since the beginning of recorded history, nature has provided a variety of medicinal agents, and an overwhelming number of drugs that we have today are derived from natural sources. Such natural agents are prominently used to treat several diseases such as diabetes, malaria, Alzheimer's, pulmonary disorders, etc. with cancer being the highlight of this review. Due to the rapid development of resistance to chemotherapeutic drugs, the hunt for effective novel drugs is still a paramount concern in cancer treatment. Moreover, many chemotherapy drugs typically have high toxicity and adverse side effects, which necessitates the need to develop anti-tumor drugs that can be employed to treat deadly tumors with fewer negative effects on health and better efficacy. Isolation of several chemotherapeutic drugs has been conducted from a wide range of natural sources which include plants, microbes, fungi, and marine microorganisms. Considering the trends of previous decades, microbial diversity has grown to play a significant role in the formulation of pharmaceuticals and drugs, especially antibiotics and anti-cancer medications. Microbe-derived antitumor antibiotics such as anthracycline, epothilones, bleomycin, actinomycin, and staurosporine are amongst the widely used cancer chemotherapeutic agents. This review deals majorly with microbe-derived anticancer drugs taking into account their derivatives, mechanism of action, isolation procedures, limitations, and tumors targeted by them. This article also reports the phase of clinical study these drugs are undergoing. Moreover, it intends to portray the indispensable part that these microbes have been playing since time immemorial in the odyssey of chemotherapeutic agents. KEY POINTS: • Microbial diversity contributes heavily towards the formulation of anticancer drugs. • Polypeptides, carbohydrates, and alkaloids are prevalent microbe-based drug classes. • Microbe-derived anticancer agents target various sarcomas, carcinomas, and lymphomas.
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Affiliation(s)
- Ridam Kapoor
- Department of Anatomy and Physiology, The University of Melbourne, Melbourne, VIC, 3010, Australia.,Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab, 140306, India
| | - Anamika Saini
- Amity Institute of Biotechnology, Amity University, Jaipur, Rajasthan, 302006, India.,Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab, 140306, India
| | - Deepika Sharma
- Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab, 140306, India.
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Rahman MM, Islam MR, Shohag S, Hossain ME, Shah M, Shuvo SK, Khan H, Chowdhury MAR, Bulbul IJ, Hossain MS, Sultana S, Ahmed M, Akhtar MF, Saleem A, Rahman MH. Multifaceted role of natural sources for COVID-19 pandemic as marine drugs. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:46527-46550. [PMID: 35507224 PMCID: PMC9065247 DOI: 10.1007/s11356-022-20328-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/14/2022] [Indexed: 05/05/2023]
Abstract
COVID-19, which is caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has quickly spread over the world, posing a global health concern. The ongoing epidemic has necessitated the development of novel drugs and potential therapies for patients infected with SARS-CoV-2. Advances in vaccination and medication development, no preventative vaccinations, or viable therapeutics against SARS-CoV-2 infection have been developed to date. As a result, additional research is needed in order to find a long-term solution to this devastating condition. Clinical studies are being conducted to determine the efficacy of bioactive compounds retrieved or synthesized from marine species starting material. The present study focuses on the anti-SARS-CoV-2 potential of marine-derived phytochemicals, which has been investigated utilizing in in silico, in vitro, and in vivo models to determine their effectiveness. Marine-derived biologically active substances, such as flavonoids, tannins, alkaloids, terpenoids, peptides, lectins, polysaccharides, and lipids, can affect SARS-CoV-2 during the viral particle's penetration and entry into the cell, replication of the viral nucleic acid, and virion release from the cell; they can also act on the host's cellular targets. COVID-19 has been proven to be resistant to several contaminants produced from marine resources. This paper gives an overview and summary of the various marine resources as marine drugs and their potential for treating SARS-CoV-2. We discussed at numerous natural compounds as marine drugs generated from natural sources for treating COVID-19 and controlling the current pandemic scenario.
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Affiliation(s)
- Md Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Md Rezaul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Sheikh Shohag
- Department of Biochemistry and Molecular Biology, Faculty of Life Science, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj-8100, Gopalganj, Bangladesh
| | - Md Emon Hossain
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Muddaser Shah
- Department of Botany, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan
| | - Shakil Khan Shuvo
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Hosneara Khan
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | | | - Israt Jahan Bulbul
- Department of Pharmacy, Southeast University, Banani, Dhaka, 1213, Bangladesh
| | - Md Sarowar Hossain
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Sharifa Sultana
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Muniruddin Ahmed
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University Lahore Campus, Lahore, Pakistan
| | - Ammara Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Md Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka, 1213, Bangladesh.
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Korea.
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Wang J, Wu S, Yang Q, Gu Y, Wang P, Li Z, Li L. Performance and mechanism of the in situ restoration effect on VHCs in the polluted river water based on the orthogonal experiment: photosynthetic fluorescence characteristics and microbial community analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:43004-43018. [PMID: 35094283 DOI: 10.1007/s11356-022-18845-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
Volatile halogenated hydrocarbons (VHCs) attracted many attentions due to its toxicity and persistence in the environment. In this research, a novel in situ ecological restoration reactor was applied to the degradation of VHCs in polluted river water. The optimized working condition adaptation of the in situ restoration technique was evaluated through orthogonal tests. The experiments showed that when the water depth was 0.4 m, the HRT was 5 days, and the current velocity was 1 m/s, the optimal removal efficiency of VHCs in the reactor was achieved. And the removal rates of CHCl3, CCl4, C2HCl3, and C2Cl4 reached 70.27%, 70.59%, 67.74%, and 81.82%, respectively. The results showed that both HRT and water depth were significantly related to the removal efficiency of reactor. The physiological state of the plants was analyzed by fitting rapid light curve (RLC) model, which showed that the accumulation of VHCs inhibited the photosynthetic performance of plants. Moreover, the microbial community structures of fillers were tested by high-throughput sequencing, and the findings supported that the microbial community made a great response to adapt to the changes in environment of the reactor. The relative abundance of Rhodocyclaceae increased slightly, which hinted that it had good adaptability to VHCs in polluted river water. The research results confirmed that in situ ecological restoration reactor was a potential approach for removal VHCs in polluted river water.
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Affiliation(s)
- Jia Wang
- School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, 100083, China
- Beijing Institute of Water Science and Technology, Beijing, 100048, China
| | - Shuangrong Wu
- College of Civil and Architectural Engineering, Tangshan University, Tangshan, 063000, China
| | - Qi Yang
- School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, 100083, China.
| | - Yonggang Gu
- Beijing Institute of Water Science and Technology, Beijing, 100048, China.
| | - Peijing Wang
- Beijing Institute of Water Science and Technology, Beijing, 100048, China
| | - Zhaoxin Li
- Beijing Institute of Water Science and Technology, Beijing, 100048, China
| | - Lei Li
- Beijing Institute of Water Science and Technology, Beijing, 100048, China
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Ghiciuc CM, Vicovan AG, Stafie CS, Antoniu SA, Postolache P. Marine-Derived Compounds for the Potential Treatment of Glucocorticoid Resistance in Severe Asthma. Mar Drugs 2021; 19:md19110586. [PMID: 34822457 PMCID: PMC8620935 DOI: 10.3390/md19110586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 02/07/2023] Open
Abstract
One of the challenges to the management of severe asthma is the poor therapeutic response to treatment with glucocorticosteroids. Compounds derived from marine sources have received increasing interest in recent years due to their prominent biologically active properties for biomedical applications, as well as their sustainability and safety for drug development. Based on the pathobiological features associated with glucocorticoid resistance in severe asthma, many studies have already described many glucocorticoid resistance mechanisms as potential therapeutic targets. On the other hand, in the last decade, many studies described the potentially anti-inflammatory effects of marine-derived biologically active compounds. Analyzing the underlying anti-inflammatory mechanisms of action for these marine-derived biologically active compounds, we observed some of the targeted pathogenic molecular mechanisms similar to those described in glucocorticoid (GC) resistant asthma. This article gathers the marine-derived compounds targeting pathogenic molecular mechanism involved in GC resistant asthma and provides a basis for the development of effective marine-derived drugs.
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Affiliation(s)
- Cristina Mihaela Ghiciuc
- Department of Morpho-Functional Sciences II—Pharmacology and Clinical Pharmacology, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, 16 Universitatii Street, 700115 Iasi, Romania
- Correspondence: (C.M.G.); (A.G.V.)
| | - Andrei Gheorghe Vicovan
- Department of Morpho-Functional Sciences II—Pharmacology and Clinical Pharmacology, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, 16 Universitatii Street, 700115 Iasi, Romania
- Correspondence: (C.M.G.); (A.G.V.)
| | - Celina Silvia Stafie
- Department of Preventive Medicine and Interdisciplinarity—Family Medicine Discipline, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iasi, Romania;
| | - Sabina Antonela Antoniu
- Department of Medicine II—Palliative Care Nursing, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iasi, Romania;
| | - Paraschiva Postolache
- Department of Medicine I—Pulmonary Rehabilitation Clinic, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iasi, Romania;
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Shams Ul Hassan S, Abbas SQ, Hassan M, Jin HZ. Computational Exploration of Anti-Cancer Potential of Guaiane Dimers from Xylopia vielana by Targeting B-Raf Kinase Using Chemo-Informatics, Molecular Docking and MD Simulation Studies. Anticancer Agents Med Chem 2021; 22:731-746. [PMID: 34645380 DOI: 10.2174/1871520621666211013115500] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 02/10/2021] [Accepted: 02/22/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Natural products from herbs are prolific to display robust anticancer activities. OBJECTIVES In the current study, B-Raf kinase protein (PDB: 3OG7), a potent target for melanoma, was tested against two guaiane-type sesquiterpene dimers, xylopin E-F, obtained from Xylopia vielana. METHODS In this work, a systematic in silico study using ADMET analysis, bioactivity score forecasts, molecular docking, and its simulations were conducted to understand compounds' pharmacological properties. RESULTS During ADMET predictions of both the compounds, Xylopin E-F has displayed a safer profile in hepatotoxicity, cytochrome inhibition, and only xylopin F displayed as non-cardiotoxic compared to FDA approved drug vemurafenib. Both the compounds were proceeded to molecular docking experiments using Autodock docking software and both the compounds Xylopin E-F have displayed higher binding potential with -11.5Kcal/mol energy compared to control vemurafenib -10.2 Kcal/mol. All the compounds were further evaluated for their MD simulations and their molecular interactions with the B-Raf kinase complex displayed precise interactions with the active gorge of the enzyme by hydrogen bonding. CONCLUSIONS Overall, xylopin F had a better profile relative to xylopin E and vemurafenib, and these findings indicated that this bio-molecule could be used as an anti-melanoma agent and as a possible anticancer drug in the future. Therefore, this is a systematic optimized in silico approach to creating an anticancer pathway for guaiane dimers against the backdrop of its potential for future drug development.
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Affiliation(s)
- Syed Shams Ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240. China
| | - Syed Qamar Abbas
- Department of Pharmacy, Sarhad University of Science and Technology, Peshawar. Pakistan
| | - Mubashir Hassan
- Institute of Molecular Biology and Biotechnology, The University of Lahore. Pakistan
| | - Hui-Zi Jin
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240. China
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Sepúlveda-Correa A, Daza-Giraldo LV, Polanía J, Arenas NE, Muñoz-García A, Sandoval-Figueredo AV, Vanegas J. Genes associated with antibiotic tolerance and synthesis of antimicrobial compounds in a mangrove with contrasting salinities. MARINE POLLUTION BULLETIN 2021; 171:112740. [PMID: 34304060 DOI: 10.1016/j.marpolbul.2021.112740] [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] [Received: 02/18/2021] [Revised: 06/22/2021] [Accepted: 07/15/2021] [Indexed: 06/13/2023]
Abstract
Salinity and wastewater pollution in mangrove ecosystems can affect microorganisms and the abundance of genes involved in response to these stressors. This research aimed to identify genes associated with resistance and biosynthesis of antimicrobial compounds in mangrove soils subjected to contrasting salinities and wastewater pollution. Samples of rhizospheric soil were taken from a mangrove at the mouth of the Ranchería River in La Guajira, Colombia. A functional analysis was performed using Illumina HiSeq 2500 sequencing data obtained from total DNA extracted. Increased salt concentration influenced metabolic pathways and differential abundance of genes associated with the synthesis of antimicrobial compounds (e.g., rfbB/rffG, INO1/ISYNA1, rfbA/rffH, sat/met3, asd). Also, among 33 genes involved in intrinsic antibiotic resistance, 16 were significantly influenced by salinity (e.g., cusR/copR/silR, vgb, tolC). We concluded that salt stress tolerance and adaptive mechanisms could favor the biosynthesis of antimicrobial compounds in mangroves contaminated by sewage.
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Affiliation(s)
| | | | - Jaime Polanía
- Universidad Nacional de Colombia Sede Medellín, Cra. 65 #59a-110, Medellín, Colombia
| | - Nelson E Arenas
- Universidad Antonio Nariño, Sede Circunvalar, Cra 3 Este No. 47 A 15, Bogotá, Colombia
| | | | | | - Javier Vanegas
- Universidad Antonio Nariño, Sede Circunvalar, Cra 3 Este No. 47 A 15, Bogotá, Colombia.
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12
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Stonik VA, Makarieva TN, Shubina LK. Antibiotics from Marine Bacteria. BIOCHEMISTRY (MOSCOW) 2021; 85:1362-1373. [PMID: 33280579 DOI: 10.1134/s0006297920110073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This review discusses main directions and results of the studies on antibiotics produced by bacteria living in the marine environment. In recent years many obligate marine species and strains were studied, diverse metabolites were isolated, and their chemical structures were elucidated. Among them here were natural compounds toxic against tumor cells, pathogenic bacteria, viruses, and malaria plasmodial species; these compounds often had no analogues among the natural products of terrestrial origin. Some isolated compounds form a basis of active ingredients in medicinal preparations used in clinic practice, while others are under different stages of preclinical or clinical studies. Much attention has been paid in recent years to producers of marine-derived antibiotics isolated from the deep-sea habitats, from the surface of marine invertebrates and algae, as well as from symbiotic microorganisms.
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Affiliation(s)
- V A Stonik
- Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences (PIBOC), Vladivostok, 690022, Russia.
| | - T N Makarieva
- Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences (PIBOC), Vladivostok, 690022, Russia
| | - L K Shubina
- Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences (PIBOC), Vladivostok, 690022, Russia
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13
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Rong X, Jiang L, Qu M, Hassan SSU, Liu Z. Enhancing Therapeutic Efficacy of Donepezil by Combined Therapy: A Comprehensive Review. Curr Pharm Des 2021; 27:332-344. [PMID: 33100197 DOI: 10.2174/1381612826666201023144836] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 08/19/2020] [Indexed: 11/22/2022]
Abstract
Combination therapy involving different therapeutic strategies mostly provides more rapid and effective results as compared to monotherapy in diverse areas of clinical practice. The most worldwide famous acetylcholinesterase inhibitor (AChEIs) donepezil for its dominant role in Alzheimer's disease (AD) has also attracted the attention of many pharmaceuticals due to its promising pharmacological potencies such as neuroprotective, muscle relaxant, and sleep inducer. Recently, a combination of donepezil with other agents has displayed better desirable results in managing several disorders, including the most common Alzheimer's disease (AD). This study involves all the data regarding the therapeutic effect of donepezil in its combination with other agents and explains its therapeutic targets and mode of action. Furthermore, this review also puts light on the current status of donepezil with other agents in clinical trials. The combination therapy of donepezil with symptomatic relief drugs and disease-modifying agents opens a new road for treating multiple pathological disorders. To the best of our knowledge, this is the first report encircling all the pharmacologic effects of donepezil in its combination therapy with other agents and their current status in clinical trials.
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Affiliation(s)
- Xi Rong
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Liwei Jiang
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, Shandong, China
| | - Meijie Qu
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Syed Shams Ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zongchao Liu
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
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14
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Kurt-Kızıldoğan A, Akarsu N, Otur Ç, Kivrak A, Aslan-Ertas N, Arslan S, Mutlu D, Konus M, Yılmaz C, Cetin D, Topal T, Şahin N. A Novel 4H-Chromen-4-One Derivative from Marine Streptomyces ovatisporus S4702T as Potential Antibacterial and Anti-Cancer Agent. Anticancer Agents Med Chem 2021; 22:362-370. [PMID: 33719978 DOI: 10.2174/1871520621666210311085748] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 02/04/2021] [Accepted: 02/17/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Marine actinomycetes are among indispensable sources of natural bioactive compounds with unique antimicrobial and anti-cancer activities. OBJECTIVE Herein, it was aimed to elucidate bioactive potential of a marine-derived Streptomyces ovatisporus S4702T, isolated previously. METHODS Streptomyces ovatisporus S4702T was cultured in N-Z Amine broth and extraction was carried out using different organic solvents. Bioassay guided purification was followed by chemical characterization using NMR and LC-MS/MS. The compound was then evaluated for its antibacterial, antioxidant and cytotoxic activities. RESULTS Etyl acetate extracts gave the highest antibacterial activity and chemical characterization of this extract indicated the formula as C15H29O5N3 and the corresponding possible molecular structure as 4H-chromen-4-one derivative. It was found highly potent against Bacillus subtilis ATCC 6633 (MIC: 0.25 µg ml-1) and Micrococcus luteus ATCC 9341 (MBC: 0.5 µg ml-1). It has no remarkable antioxidant activity, but higher EC50 value and less cytotoxicity against normal cells. The EC50 values of this chromen derivative were found as 9.68 µg ml-1 for human colon carcinoma, 9.93 µg ml-1 for human prostate adenocarcinoma and 25.5 µg ml-1 for human embryonic kidney cells. CONCLUSION Overall, the presented 4H-chromen-4-one derivative is a remarkable bioactive compound with potent antibacterial and cytotoxic activity. With its high bioactive potential, it is proposed as a good candidate in medicine.
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Affiliation(s)
| | - Neslihan Akarsu
- Department of Agricultural Biotechnology, Ondokuz Mayıs University, 55139, Samsun. Turkey
| | - Çiğdem Otur
- Department of Agricultural Biotechnology, Ondokuz Mayıs University, 55139, Samsun. Turkey
| | - Arif Kivrak
- Department of Chemistry, Van Yuzuncu Yil University, 65080, Van. Turkey
| | | | - Sevki Arslan
- Department of Biology, Pamukkale University, 20100, Denizli. Turkey
| | - Dogukan Mutlu
- Department of Biology, Pamukkale University, 20100, Denizli. Turkey
| | - Metin Konus
- Department of Molecular Biology and Genetics, Van Yuzuncu Yil University, 65080, Van. Turkey
| | - Can Yılmaz
- Department of Molecular Biology and Genetics, Van Yuzuncu Yil University, 65080, Van. Turkey
| | - Dogan Cetin
- Department of Molecular Biology and Genetics, Van Yuzuncu Yil University, 65080, Van. Turkey
| | - Tufan Topal
- High Technology Application and Research Center, Pamukkale University, 20020, Denizli. Turkey
| | - Nevzat Şahin
- Department of Molecular Biology and Genetics, Ondokuz Mayıs University, 55139, Samsun. Turkey
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Iniyan AM, Wink J, Landwehr W, Ramprasad EVV, Sasikala C, Ramana CV, Schumann P, Spröer C, Bunk B, Joseph FJRS, Joshua SA, Shyl ENSGD, Kannan RR, Vincent SGP. Streptomyces marianii sp. nov., a novel marine actinomycete from southern coast of India. J Antibiot (Tokyo) 2021; 74:59-69. [PMID: 32788709 DOI: 10.1038/s41429-020-0360-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/15/2020] [Accepted: 07/17/2020] [Indexed: 12/25/2022]
Abstract
A novel marine actinomycete strain designated ICN19T was isolated from the subtidal sediment of Chinnamuttam coast of Kanyakumari, India and subjected to polyphasic taxonomic analysis. Neighbour-joining tree based on 16S rRNA gene sequences of validly described type strains had revealed the strain ICN19T formed distinct cluster with Streptomyces wuyuanensis CGMCC 4.7042T, Streptomyces tirandamycinicus HNM0039T and Streptomyces spongiicola HNM0071T. Morphological, physiological and chemotaxonomic characteristics were consistent with those of members of the genus Streptomyces. The strain possessed LL-diaminopimelic acid as the diagnostic diamino acid. The predominant isoprenoid quinone was identified as MK-9(H8) (70%), MK-9(H6) (20%) and MK-9(H2) (2%), with the major cellular fatty acids (>10%) being anteiso-C15:0, C16:0 and iso-C16:0. The main polar lipids were found to be diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol mannosides and three unidentified phospholipids. The dendrogram generated on the basis of MALDI-TOF mass spectra supports the strain differentiated from its neigbours. The genome sequence of strain ICN19T was 9,010,366 bp in size with a total of 7420 protein-coding genes and 98 RNA genes. The genomic G+C content of the novel strain was 71.27 mol%. The DNA-DNA relatedness between strain ICN19T and the reference strains with S. wuyuanensis CGMCC 4.7042T, S. tirandamycinicus HNM0039T and S. spongiicola HNM0071T were 42.8%, 39.5% and 38%, respectively. Based on differences in physiological, biochemical, chemotaxonomic differences and whole-genome characteristics the isolated strain represents a novel species of the genus Streptomyces, for which the name Streptomyces marianii sp. nov. is proposed. Type strain is ICN19T (=MCC 3599T = KCTC 39749T).
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Affiliation(s)
- Appadurai Muthamil Iniyan
- Centre for Marine Science and Technology (CMST), Manonmaniam Sundaranar University, Rajakkamangalam, Kanyakumari District, Tamil Nadu, 629502, India.
- Microbial Strain Collection, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, Braunschweig, D-38124, Germany.
| | - Joachim Wink
- Microbial Strain Collection, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, Braunschweig, D-38124, Germany
| | - Wiebke Landwehr
- Microbial Strain Collection, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, Braunschweig, D-38124, Germany
| | - Eedara Veera Venkata Ramprasad
- Bacterial Discovery Laboratory, Centre for Environment, Institute of Science and Technology, J.N.T. University Hyderabad, Kukatpally, Hyderabad, 500085, India
| | - Chintalapati Sasikala
- Bacterial Discovery Laboratory, Centre for Environment, Institute of Science and Technology, J.N.T. University Hyderabad, Kukatpally, Hyderabad, 500085, India
| | - Chintalapati Venkata Ramana
- Bacterial Discovery and Metabolomics Laboratory, Department of Plant Sciences, School of Life Sciences, University of Hyderabad, PO Central University, Hyderabad, 500046, India.
| | - Peter Schumann
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstraße 7b, D-38124, Braunschweig, Germany
| | - Cathrin Spröer
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstraße 7b, D-38124, Braunschweig, Germany
| | - Boyke Bunk
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstraße 7b, D-38124, Braunschweig, Germany
| | | | - Sam Albert Joshua
- Centre for Marine Science and Technology (CMST), Manonmaniam Sundaranar University, Rajakkamangalam, Kanyakumari District, Tamil Nadu, 629502, India
| | - Eby-Nesar Stella-Glory Deepak Shyl
- Centre for Marine Science and Technology (CMST), Manonmaniam Sundaranar University, Rajakkamangalam, Kanyakumari District, Tamil Nadu, 629502, India
| | - Rajaretinam Rajesh Kannan
- Infectious Disease Biology Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Chennai, Tamil Nadu, 600119, India
| | - Samuel Gnana Prakash Vincent
- Centre for Marine Science and Technology (CMST), Manonmaniam Sundaranar University, Rajakkamangalam, Kanyakumari District, Tamil Nadu, 629502, India.
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Marine-derived drugs: Recent advances in cancer therapy and immune signaling. Biomed Pharmacother 2020; 134:111091. [PMID: 33341044 DOI: 10.1016/j.biopha.2020.111091] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/12/2020] [Accepted: 11/28/2020] [Indexed: 12/17/2022] Open
Abstract
The marine environment is an enormous source of marine-derived natural products (MNPs), and future investigation into anticancer drug discovery. Current progress in anticancer drugs offers a rise in isolation and clinical validation of numerous innovative developments and advances in anticancer therapy. However, only a limited number of FDA-approved marine-derived anticancer drugs are available due to several challenges and limitations highlighted here. The use of chitosan in developing marine-derived drugs is promising in the nanotech sector projected for a prolific anticancer drug delivery system (DDS). The cGAS-STING-mediated immune signaling pathway is crucial, which has not been significantly investigated in anticancer therapy and needs further attention. Additionally, a small range of anticancer mediators is currently involved in regulating various JAK/STAT signaling pathways, such as immunity, cell death, and tumor formation. This review addressed critical features associated with MNPs, origin, and development of anticancer drugs. Moreover, recent advances in the nanotech delivery of anticancer drugs and understanding into cancer immunity are detailed for improved human health.
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17
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Hassan SSU, Zhang WD, Jin HZ, Basha SH, Priya SVSS. In-silico anti-inflammatory potential of guaiane dimers from Xylopia vielana targeting COX-2. J Biomol Struct Dyn 2020; 40:484-498. [PMID: 32876526 DOI: 10.1080/07391102.2020.1815579] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Natural products of herbal origin are prodigious to display diverse pharmacological activities. In the present study, five guaiane-type sesquiterpene dimers, xylopidimers A - E (1-5), isolated from Xylopia vielana species were tested against COX-2 protein target (PDB: 1CX2), a potent target for anti-inflammatory agents. To better understand the pharmacological properties of all these compounds, in this work, a systemic in silico study was performed on xylopidimers A-E using molecular docking, ADMET analysis and MD simulations. During ADMET predictions the two compounds xylopidimer C, D displayed best results as compared to others. The compound xylopidimer C was further evaluated for its MD simulations and its molecular interactions with COX2 complex showed clear interactions with active gorge of the enzyme through hydrogen bonding as well as hydrophobic contacts. The xylopidimer C has shown the best binding potential with -10.57Kcal/mol energy with 17.92 nano molar of predicted inhibition constant better than Ibuprofen and Felbinac. These findings provide enough significant information for designing and developing novel targeted base anti-inflammatory drugs from guaiane dimers.
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Affiliation(s)
- Syed Shams Ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, PR China.,Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, PR China
| | - Wei-Dong Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, PR China.,Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, PR China
| | - Hui-Zi Jin
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, PR China.,Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, PR China
| | | | - S V S Sasi Priya
- Innovative Informatica Technologies, Hyderabad, India.,Department of Pharmaceutical chemistry, Faculty of Pharmacy, M. S. Ramaiah University of Applied Sciences, Bangalore, India
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18
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Riccio G, Ruocco N, Mutalipassi M, Costantini M, Zupo V, Coppola D, de Pascale D, Lauritano C. Ten-Year Research Update Review: Antiviral Activities from Marine Organisms. Biomolecules 2020; 10:biom10071007. [PMID: 32645994 PMCID: PMC7407529 DOI: 10.3390/biom10071007] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 06/25/2020] [Accepted: 06/28/2020] [Indexed: 02/08/2023] Open
Abstract
Oceans cover more than 70 percent of the surface of our planet and are characterized by huge taxonomic and chemical diversity of marine organisms. Several studies have shown that marine organisms produce a variety of compounds, derived from primary or secondary metabolism, which may have antiviral activities. In particular, certain marine metabolites are active towards a plethora of viruses. Multiple mechanisms of action have been found, as well as different targets. This review gives an overview of the marine-derived compounds discovered in the last 10 years. Even if marine organisms produce a wide variety of different compounds, there is only one compound available on the market, Ara-A, and only another one is in phase I clinical trials, named Griffithsin. The recent pandemic emergency caused by SARS-CoV-2, also known as COVID-19, highlights the need to further invest in this field, in order to shed light on marine compound potentiality and discover new drugs from the sea.
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Affiliation(s)
- Gennaro Riccio
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
| | - Nadia Ruocco
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
| | - Mirko Mutalipassi
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
| | - Maria Costantini
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
| | - Valerio Zupo
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
| | - Daniela Coppola
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
- Institute of Biosciences and BioResources (IBBR), National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Donatella de Pascale
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Chiara Lauritano
- Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP, 80121 Naples, Italy; (G.R.); (N.R.); (M.M.); (M.C.); (V.Z.); (D.C.); (D.d.P.)
- Correspondence: ; Tel.: +39-081-5833-221
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19
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Antimicrobial and Antioxidant Effects of a Forest Actinobacterium V 002 as New Producer of Spectinabilin, Undecylprodigiosin and Metacycloprodigiosin. Curr Microbiol 2020; 77:2575-2583. [PMID: 32372105 DOI: 10.1007/s00284-020-02007-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 04/24/2020] [Indexed: 10/24/2022]
Abstract
The aim of the study is the research and identification of a Streptomyces strain as a new producer of spectinabilin, undecylprodigiosin and metacycloprodigiosin. Among 54 actinomycete isolates isolated from El-Ogbane forest soils in Algeria, only one isolate, designated V002, was selected for its ability to produce prodigiosins. The selected strain was analysed for its ability to produce three different secondary metabolites as well as their biological activities. V002 belongs to the Streptomyces genus and has significant antimicrobial and antioxidant activities. The taxonomic position of V002 by 16S rRNA sequence analysis showed a similarity of 99.93% with Streptomyces lasiicapitis DSM 103124T and 98.96% with Streptomyces spectabilis DSM 40512T. Fractionation of crude secondary metabolites produced by the strain using HPLC-MS revealed the presence of spectinabilin, undecylprodigiosin and metacycloprodigiosin, which demonstrated significant activity. Strain V002 is considered a new producer of spectinabilin, undecylprodigiosin and metacycloprodigiosin with significant antimicrobial and antioxidant activity.
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Abstract
The marine environment encompasses a huge biological diversity and can be considered as an underexplored location for prospecting bioactive molecules. In this review, the current state of art about antimicrobial molecules from marine bacteria has been summarized considering the main phylum and sources evolved in a marine environment. Considering the last two decades, we have found as most studied group of bacteria producers of substances with antimicrobial activity is the Firmicutes phylum, in particular strains of the Bacillus genus. The reason for that can be attributed to the difficult cultivation of typical Actinobacteria from a marine sediment, whose members are the major producers of antimicrobial substances in land environments. However, a reversed trend has been observed in recent years with an increasing number of reports settling on Actinobacteria. Great diversity of chemical structures have been identified, such as fijimicyns and lynamicyns from Actinomycetes and macrolactins produced by Bacillus.
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Affiliation(s)
- Paolo Stincone
- Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Adriano Brandelli
- Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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21
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Zhang Y, Yang J, Liu Y, Wu Y, Fang Z, Wang Y, Sun L, Deng Q, Gooneratne R, Xiao L. A novel bacteriocin PE-ZYB1 produced by Pediococcus pentosaceus zy-B isolated from intestine of Mimachlamys nobilis: Purification, identification and its anti-listerial action. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108760] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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22
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Water Quality Responses during the Continuous Mixing Process and Informed Management of a Stratified Drinking Water Reservoir. SUSTAINABILITY 2019. [DOI: 10.3390/su11247106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Aeration and mixing have been proven as effective in situ water quality improvement methods, particularly for deep drinking water reservoirs. While there is some research on the mechanism of water quality improvement during artificial mixing, the changes to water quality and the microbial community during the subsequent continuous mixing process is little understood. In this study, we investigate the mechanism of water quality improvement during the continuous mixing process in a drinking water reservoir. During this period, we found a reduction in total nitrogen (TN), total phosphorus (TP), ammonium-nitrogen (NH4-N), iron (Fe), manganese (Mn), and total organic carbon (TOC) of 12.5%–30.8%. We also measured reductions of 8.6% and 6.2% in TN and organic carbon (OC), respectively, in surface sediment. Microbial metabolic activity, abundance, and carbon source utilization were also improved. Redundancy analysis indicated that temperature and dissolved oxygen (DO) were key factors affecting changes in the microbial community. With intervention, the water temperature during continuous mixing was 15 °C, and the mixing temperature in the reservoir increased by 5 °C compared with natural mixing. Our research shows that integrating and optimizing the artificial and continuous mixing processes influences energy savings. This research provides a theoretical basis for further advancing treatment optimizations for a drinking water supply.
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Field Research on Mixing Aeration in a Drinking Water Reservoir: Performance and Microbial Community Structure. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16214221. [PMID: 31683509 PMCID: PMC6862099 DOI: 10.3390/ijerph16214221] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 10/23/2019] [Accepted: 10/29/2019] [Indexed: 11/20/2022]
Abstract
Field research on the performance of pollutant removal and the structure of the microbial community was carried out on a drinking water reservoir. After one month of operation of a water-lifting aeration system, the water temperature difference between the bottom and the surface decreased from 9.9 to 3.1 °C, and the concentration of the dissolved oxygen (DO) in the bottom layer increased from 0 to 4.2 mg/L. The existing stratification in the reservoir was successfully eliminated. Total nitrogen (TN), total phosphorus (TP), and total organic carbon (TOC) concentrations were reduced by 47.8%, 66.7%, and 22.9%, respectively. High-throughput sequencing showed that Proteobacteria, Bacteroides, and Actinomycetes accounted for 67.52% to 78.74% of the total bacterial population. Differences in the bacterial changes were observed between the enhanced area and the control area. With the operation of the water-lifting aeration system, the populations of bacteria of the main genera varied temporally and spatially. Principal component analysis pointed out a clear evolution in the vertical distribution of the microbial structure controlled by the operation of the aeration system. Permutational analysis of variance showed a significant difference in the microbial community (p < 0.01). Redundancy analysis showed that physical (water temperature, DO) and chemical environmental factors (Chl-a, TOC, TN) were the key factors affecting the changes in the microbial communities in the reservoir water. In addition, a hierarchical partitioning analysis indicated that T, Chl-a, ORP, TOC, pH, and DO accounted for 24.1%, 8.7%, 6.7%, 6.2%, 5.8%, and 5.1% of such changes, respectively. These results are consistent with the ABT (aggregated boosted tree) analysis for the variations in the functional bacterial community, and provide a theoretical basis for the development and application of biotechnology.
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Almeida EL, Carrillo Rincón AF, Jackson SA, Dobson ADW. In silico Screening and Heterologous Expression of a Polyethylene Terephthalate Hydrolase (PETase)-Like Enzyme (SM14est) With Polycaprolactone (PCL)-Degrading Activity, From the Marine Sponge-Derived Strain Streptomyces sp. SM14. Front Microbiol 2019; 10:2187. [PMID: 31632361 PMCID: PMC6779837 DOI: 10.3389/fmicb.2019.02187] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 09/05/2019] [Indexed: 12/15/2022] Open
Abstract
Plastics, such as the polyethylene terephthalate (PET), are widely used for various industrial applications, due to their physicochemical properties which are particularly useful in the packaging industry. However, due to improper plastic waste management and difficulties in recycling, post-consumer plastic waste has become a pressing issue for both the environment and for human health. Hence, novel technologies and methods of processing plastic waste are required to address these issues. Enzymatic-assisted hydrolysis of synthetic polymers has been proposed as a potentially more efficient and environment-friendly alternative to the currently employed methods. Recently, a number of PET hydrolases have been described, and in particular a PETase derived from Ideonella sakaiensis 201-F6 (IsPETase), which appears to be the most efficient and substrate-specific bacterial PET hydrolase enzyme discovered to date. In order to further investigate this class of PETase-like enzymes, we employed an in silico-based screening approach on the biotechnologically relevant genus Streptomyces, including terrestrial and marine isolates; in a search for potential PETase homologs. From a total of 52 genomes analyzed, we were able to identify three potential PETase-like enzymes, all of which were derived from marine-sponge associated Streptomyces isolates. A candidate PETase-like gene (SM14est) was identified in Streptomyces sp. SM14. Further in silico characterization of the SM14est protein sequence and its predicted three-dimensional structure were performed and compared to the well-characterized IsPETase. Both the serine hydrolase motif Gly-x1-Ser-x2-Gly and the catalytic triad Ser, Asp, His are conserved in both sequences. Molecular docking experiments indicated that the SM14est enzyme possessed the capacity to bind plastics as substrates. Finally, polyesterase activity was confirmed using a polycaprolactone (PCL) plate clearing assay which is a model substrate for the degradation of plastics; following heterologous expression of SM14est in Escherichia coli, with secretion being facilitated by the native Streptomyces signal peptide. These findings provide further insights into this important class of PETase-like enzymes.
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Affiliation(s)
| | | | - Stephen A Jackson
- School of Microbiology, University College Cork, Cork, Ireland.,Environmental Research Institute, University College Cork, Cork, Ireland
| | - Alan D W Dobson
- School of Microbiology, University College Cork, Cork, Ireland.,Environmental Research Institute, University College Cork, Cork, Ireland
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Demain AL, Gómez-Ortiz B, Ruiz-Villafán B, Rodríguez-Sanoja R, Sánchez S. Recent findings of molecules with anti-infective activity: screening of non-conventional sources. Curr Opin Pharmacol 2019; 48:40-47. [DOI: 10.1016/j.coph.2019.04.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 03/29/2019] [Accepted: 04/01/2019] [Indexed: 10/26/2022]
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26
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Almeida EL, Carrillo Rincón AF, Jackson SA, Dobson ADW. Comparative Genomics of Marine Sponge-Derived Streptomyces spp. Isolates SM17 and SM18 With Their Closest Terrestrial Relatives Provides Novel Insights Into Environmental Niche Adaptations and Secondary Metabolite Biosynthesis Potential. Front Microbiol 2019; 10:1713. [PMID: 31404169 PMCID: PMC6676996 DOI: 10.3389/fmicb.2019.01713] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 07/11/2019] [Indexed: 12/28/2022] Open
Abstract
The emergence of antibiotic resistant microorganisms has led to an increased need for the discovery and development of novel antimicrobial compounds. Frequent rediscovery of the same natural products (NPs) continues to decrease the likelihood of the discovery of new compounds from soil bacteria. Thus, efforts have shifted toward investigating microorganisms and their secondary metabolite biosynthesis potential, from diverse niche environments, such as those isolated from marine sponges. Here we investigated at the genomic level two Streptomyces spp. strains, namely SM17 and SM18, isolated from the marine sponge Haliclona simulans, with previously reported antimicrobial activity against clinically relevant pathogens; using single molecule real-time (SMRT) sequencing. We performed a series of comparative genomic analyses on SM17 and SM18 with their closest terrestrial relatives, namely S. albus J1074 and S. pratensis ATCC 33331 respectively; in an effort to provide further insights into potential environmental niche adaptations (ENAs) of marine sponge-associated Streptomyces, and on how these adaptations might be linked to their secondary metabolite biosynthesis potential. Prediction of secondary metabolite biosynthetic gene clusters (smBGCs) indicated that, even though the marine isolates are closely related to their terrestrial counterparts at a genomic level; they potentially produce different compounds. SM17 and SM18 displayed a better ability to grow in high salinity medium when compared to their terrestrial counterparts, and further analysis of their genomes indicated that they possess a pool of 29 potential ENA genes that are absent in S. albus J1074 and S. pratensis ATCC 33331. This ENA gene pool included functional categories of genes that are likely to be related to niche adaptations and which could be grouped based on potential biological functions such as osmotic stress, defense; transcriptional regulation; symbiotic interactions; antimicrobial compound production and resistance; ABC transporters; together with horizontal gene transfer and defense-related features.
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Affiliation(s)
| | | | - Stephen A. Jackson
- School of Microbiology, University College Cork, Cork, Ireland
- Environmental Research Institute, University College Cork, Cork, Ireland
| | - Alan D. W. Dobson
- School of Microbiology, University College Cork, Cork, Ireland
- Environmental Research Institute, University College Cork, Cork, Ireland
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Cyclic tetrapeptides from the marine strain Streptomyces sp. PNM-161a with activity against rice and yam phytopathogens. J Antibiot (Tokyo) 2019; 72:744-751. [PMID: 31243345 DOI: 10.1038/s41429-019-0201-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 05/29/2019] [Accepted: 06/08/2019] [Indexed: 11/08/2022]
Abstract
Two cyclotetrapeptides, henceforth named Provipeptides A (1) and B (2), along with five known diketopiperazines (3-7) were isolated from the liquid culture of marine Streptomyces sp. 161a recovered from a sample of sea grass Bryopsis sp. The structures of cyclotetrapeptides and diketopiperazines (DKPs) were established by 1D and 2D NMR data, MS, and by comparison with literature data. The absolute stereochemistry of compounds cyclo-(L-Pro-L-Leu-D-Pro-L-Phe) 1 and cyclo-(-Pro-Ile-Pro-Phe) 2 was established by the Marfey's method. Compound 1 showed antibacterial activity against rice phytopathogenic strains Burkholderia glumae (MIC = 1.1 mM) and Burkholderia gladioli (MIC = 0.068 mM), compound 2 was active only against B. glumae (MIC = 1.1 mM), and DKP cyclo-[L-Pro-L-Leu] 5 showed to be active against B. gladioli (MIC = 0.3 mM) and B. glumae (MIC = 2.4 mM). Compounds 1 and 2 showed 65% and 50% inhibition of Colletotrichum gloeosporioides (yam pathogen) conidia germination, respectively at a concentration of 1.1 mM.
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Chen P, Zhang C, Ju X, Xiong Y, Xing K, Qin S. Community Composition and Metabolic Potential of Endophytic Actinobacteria From Coastal Salt Marsh Plants in Jiangsu, China. Front Microbiol 2019; 10:1063. [PMID: 31139174 PMCID: PMC6527748 DOI: 10.3389/fmicb.2019.01063] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 04/26/2019] [Indexed: 12/31/2022] Open
Abstract
The diversity and functional roles of the plant associated endophytic actinobacteria in unique habitats remain poorly understood. In this paper, we examined the phylogenetic diversity and community composition of endophytic actinobacteria associated with native coastal salt marsh plants in Jiangsu, China using a combination of cultivation and 16S rRNA gene-based high-throughput sequencing (HTS) methods. Further, we evaluated the antifungal, fibrinolytic activities and the secondary metabolite biosynthesis potential of isolates via gene screening. A total of 278 actinobacterial isolates were isolated from 19 plant samples. 16S rRNA gene sequencing revealed that the isolates were highly diverse and belonged to 23 genera within the Actinomycetales order, with Streptomyces, Saccharopolyspora, and Pseudonocardia comprising the most abundant genera. In addition, more than 10 of the isolates were novel actinobacterial taxa distributed across eight genera. HTS analyses of seven representative plant root samples revealed that Actinobacteria phylum constituted 0.04–28.66% of root endophytic bacterial communities. A total of four actinobacterial classes, 14 orders, 35 families, and 63 known genera were detected via HTS, and these communities were found to be dominated by the members of the order Actinomycetales including the genera Streptomyces, Mycobacterium, Arthrobacter, Nocardioides, and Micromonospora. In addition, 30.4% of the representative isolates exhibited antifungal activities, 40.5% of them showed fibrinolytic activities, while 43.0% of the strains harbored secondary metabolite biosynthesis genes. These results demonstrated that coastal salt marsh plants in the Jiangsu Province represented an underexplored new reservoir of diverse and novel endophytic actinobacteria that may be of potential interest in the discovery of bioactive compounds with potential as biocontrol agents and for fibrinolytic enzyme production.
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Affiliation(s)
- Pan Chen
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
| | - Chunmei Zhang
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
| | - Xiuyun Ju
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
| | - Youwei Xiong
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
| | - Ke Xing
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
| | - Sheng Qin
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
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Shams Ul Hassan S, Jin HZ, Abu-Izneid T, Rauf A, Ishaq M, Suleria HAR. Stress-driven discovery in the natural products: A gateway towards new drugs. Biomed Pharmacother 2018; 109:459-467. [PMID: 30399582 DOI: 10.1016/j.biopha.2018.10.173] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 10/27/2018] [Accepted: 10/30/2018] [Indexed: 01/25/2023] Open
Abstract
Elicitation by chemical means including heavy metals is one of a novel technique for drug discoveries. In this review, the effect of heavy metals on animal, plants and microorganisms for the production of novel compounds with the unique structures has been discussed. The number of parameters such as metal concentration, type, dose, treatment schedule, duration of metal exposure, and nutrient composition are significant factors altering the secondary metabolites production. The detailed illustrated diagram representing the mode of action of metal stress has also been discussed. This is the first article reporting all the novel compounds produced from plants and microorganisms in response to metal-stress with their pharmacological potential. This new technique opens the new way for drug discovery from natural products.
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Affiliation(s)
| | - Hui-Zi Jin
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Tareq Abu-Izneid
- Department of Pharmaceutical Sciences, College of Pharmacy, Al Ain University of Science and Technology, Al Ain Campus, UAE
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar Swabi, 25120, KPK, Pakistan.
| | - Muhammad Ishaq
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hafiz Ansar Rasul Suleria
- UQ Diamantina Institute, Translational Research Institute, Faculty of Medicine, The University of Queensland, 37 Kent Street Woolloongabba, Brisbane, QLD 4102, Australia; Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences, Deakin University, Pigdons Road, Waurn Ponds, Victoria 3216, Australia; School of Agriculture and Food, The University of Melbourne, Parkville, VIC 3010, Australia
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30
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Alvarado P, Huang Y, Wang J, Garrido I, Leiva S. Phylogeny and bioactivity of epiphytic Gram-positive bacteria isolated from three co-occurring antarctic macroalgae. Antonie Van Leeuwenhoek 2018; 111:1543-1555. [PMID: 29460205 DOI: 10.1007/s10482-018-1044-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Accepted: 02/07/2018] [Indexed: 12/25/2022]
Abstract
Marine macroalgae are emerging as an untapped source of novel microbial diversity and, therefore, of new bioactive secondary metabolites. This study was aimed at assessing the diversity and antimicrobial activity of the culturable Gram-positive bacteria associated with the surface of three co-occurring Antarctic macroalgae. Specimens of Adenocystis utricularis (brown alga), Iridaea cordata (red alga) and Monostroma hariotii (green alga) were collected from the intertidal zone of King George Island, Antarctica. Gram-positive bacteria were investigated by cultivation-based methods and 16S rRNA gene sequencing, and screened for antimicrobial activity against a panel of pathogenic microorganisms. Isolates were found to belong to 12 families, with a dominance of Microbacteriaceae and Micrococcaceae. Seventeen genera of Actinobacteria and 2 of Firmicutes were cultured from the three macroalgae, containing 29 phylotypes. Three phylotypes within Actinobacteria were regarded as potentially novel species. Sixteen isolates belonging to the genera Agrococcus, Arthrobacter, Micrococcus, Pseudarthrobacter, Pseudonocardia, Sanguibacter, Staphylococcus, Streptomyces and Tessaracoccus exhibited antibiotic activity against at least one of the indicator strains. The bacterial phylotype composition was distinct among the three macroalgae species, suggesting that these macroalgae host species-specific Gram-positive associates. The results highlight the importance of Antarctic macroalgae as a rich source of Gram-positive bacterial diversity and potentially novel species, and a reservoir of bacteria producing biologically active compounds with pharmacological potential.
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Affiliation(s)
- Pamela Alvarado
- Universidad Tecnológica de Chile INACAP, Avenida René Soriano 2382, Osorno, Chile
| | - Ying Huang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Jian Wang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Ignacio Garrido
- Département de Biologie et Québec-Océan, Université Laval, Pavillon Alexandre-Vachon 1045, Avenue de la Médecine, Québec, QC, G1V 0A6, Canada
- Centro FONDAP de Investigaciones en Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Valdivia, Chile
| | - Sergio Leiva
- Instituto de Bioquímica & Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Casilla 567, Valdivia, Chile.
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31
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Review of Chromatographic Bioanalytical Assays for the Quantitative Determination of Marine-Derived Drugs for Cancer Treatment. Mar Drugs 2018; 16:md16070246. [PMID: 30041477 PMCID: PMC6071085 DOI: 10.3390/md16070246] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 06/15/2018] [Accepted: 07/18/2018] [Indexed: 12/20/2022] Open
Abstract
The discovery of marine-derived compounds for the treatment of cancer has seen a vast increase over the last few decades. Bioanalytical assays are pivotal for the quantification of drug levels in various matrices to construct pharmacokinetic profiles and to link drug concentrations to clinical outcomes. This review outlines the different analytical methods that have been described for marine-derived drugs in cancer treatment hitherto. It focuses on the major parts of the bioanalytical technology, including sample type, sample pre-treatment, separation, detection, and quantification.
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32
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A new macrolactam derivative from the marine actinomycete HF-11225. J Antibiot (Tokyo) 2018; 71:477-479. [DOI: 10.1038/s41429-017-0021-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 12/13/2017] [Accepted: 12/20/2017] [Indexed: 12/15/2022]
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33
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Lombardi VR, Corzo L, Carrera I, Cacabelos R. The Search for Biomarine-derived Compounds with Immunomodulatory Activity. JOURNAL OF EXPLORATORY RESEARCH IN PHARMACOLOGY 2018; 3:30-41. [DOI: 10.14218/jerp.2018.00006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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34
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Kavitha A, Savithri HS. Biological Significance of Marine Actinobacteria of East Coast of Andhra Pradesh, India. Front Microbiol 2017; 8:1201. [PMID: 28729856 PMCID: PMC5498559 DOI: 10.3389/fmicb.2017.01201] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 06/13/2017] [Indexed: 11/30/2022] Open
Abstract
An attempt was made to identify actinobacterial strains present in the marine soil of East Coast regions viz., Chirala, Bapatla, and Peddaganjam, Andhra Pradesh; Kanyakumari, Tamil Nadu and Goa, Goa along with the study of their antimicrobial potential. Eight out of 73 actinobacterial strains isolated from these regions showed strong antimicrobial activity against Gram positive bacteria, Gram negative bacteria, and Candida albicans. Molecular identification (16S rRNA analysis) of the eight strains revealed that they belong to Dietzia sp., Kocuria sp., Nocardiopsis sp., and Streptomyces spp. ISP (International Streptomyces project) -1, ISP-2 and starch casein media supported high antimicrobial potential after 5-6 days of growth. Production of antimicrobials by the strains varied significantly with different carbon and nitrogen sources. Gas chromatography mass spectrometry (GCMS) analysis of volatile compounds produced by the strains illustrated an array of antimicrobial compounds such as 1, 2-benzene dicarboxylic acid, 2-piperidinone, pyrrolo[1,2-a]pyrazine-1,4-dion, phenyl ethyl alcohol, 3-phenyl propionic acid etc. Ours is the first report on the study and detection of above mentioned antimicrobial metabolites from Dietzia sp. (A3), Kocuria sp. (A5), and Nocardiopsis sp. (A7). By sequence based analysis for secondary metabolites, non-ribosomal peptide synthetase (NRPS) gene cluster was noticed in six strains (A2, A3, A4, A6, A7, and A8) and none of them had polyketide synthase (PKS) system. The present study intimates the biological potentiality of the actinobacterial strains isolated from East Coast of Andhra Pradesh, India which reveals further scope to investigate new bioactive compounds from them by employing both natural product chemistry and modern biotechnological aspects.
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Affiliation(s)
- Alapati Kavitha
- Department of Biochemistry, Indian Institute of ScienceBangalore, India
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35
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Anjum K, Shagufta BI, Abbas SQ, Patel S, Khan I, Shah SAA, Akhter N, Hassan SSU. Current status and future therapeutic perspectives of glioblastoma multiforme (GBM) therapy: A review. Biomed Pharmacother 2017; 92:681-689. [PMID: 28582760 DOI: 10.1016/j.biopha.2017.05.125] [Citation(s) in RCA: 163] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 05/19/2017] [Accepted: 05/25/2017] [Indexed: 12/16/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the deadliest form of heterogeneous brain cancer. It affects an enormous number of patients every year and the survival is approximately 8 to 15 months. GBM has driven by complex signaling pathways and considered as a most challenging to treat. Standard treatment of GBM includes surgery, radiation therapy, chemotherapy and also the combined treatment. This review article described inter and intra- tumor heterogeneity of GMB. In addition, recent chemotherapeutic agents, with their mechanism of action have been defined. FDA-approved drugs also been focused over here and most importantly highlighting some natural and synthetic and novel anti- glioma agents, that are the main focus of researchers nowadays.
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Affiliation(s)
- Komal Anjum
- Ocean College, Zhejiang University, Hangzhou, 310058, China
| | - Bibi Ibtesam Shagufta
- Department of Zoology, Kohat University of Science and Technology (KUST), K.P.K 26000, Pakistan
| | - Syed Qamar Abbas
- Faculty of Pharmacy, Gomal University D.I.Khan, K.P.K 29050, Pakistan
| | - Seema Patel
- Bioinformatics and Medical Informatics Research Center, San Diego State University, San Diego-92182, USA
| | - Ishrat Khan
- Ocean College, Zhejiang University, Hangzhou, 310058, China
| | | | - Najeeb Akhter
- Ocean College, Zhejiang University, Hangzhou, 310058, China
| | - Syed Shams Ul Hassan
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
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36
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Hassan SSU, Shaikh AL. Marine actinobacteria as a drug treasure house. Biomed Pharmacother 2017; 87:46-57. [DOI: 10.1016/j.biopha.2016.12.086] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 12/20/2016] [Accepted: 12/20/2016] [Indexed: 01/19/2023] Open
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