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Valença CAS, Barbosa AAT, Souto EB, Caramão EB, Jain S. Volatile Nitrogenous Compounds from Bacteria: Source of Novel Bioactive Compounds. Chem Biodivers 2021; 18:e2100549. [PMID: 34643327 DOI: 10.1002/cbdv.202100549] [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: 07/13/2021] [Accepted: 09/27/2021] [Indexed: 11/08/2022]
Abstract
Bacteria can produce nitrogenous compounds via both primary and secondary metabolic processes. Many bacterial volatile nitrogenous compounds produced during the secondary metabolism have been identified and reported for their antioxidant, antibacterial, antifungal, algicidal and antitumor activities. The production of these nitrogenous compounds depends on several factors, including the composition of culture media, growth conditions, and even the organic solvent used for their extraction, thus requiring their identification in specific conditions. In this review, we describe the volatile nitrogenous compounds produced by bacteria especially focusing on their antimicrobial activity. We concentrate on azo-compounds mainly pyrazines and pyrrolo-pyridines reported for their activity against several microorganisms. Whenever significant, extraction and identification methods of these compounds are also mentioned and discussed. To the best of our knowledge, this is first review describing volatile nitrogenous compounds from bacteria focusing on their biological activity.
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Affiliation(s)
- Camilla A S Valença
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes, Aracaju, Sergipe, Brazil
| | - Ana A T Barbosa
- Department of Morphology, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil
| | - Eliana B Souto
- CEB - Center of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Elina B Caramão
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes, Aracaju, Sergipe, Brazil.,Instituto Nacional de Ciência e Tecnologia - Energia e Ambiente, Universidade Federal da Bahia, Salvador, Bahia, Brazil
| | - Sona Jain
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes, Aracaju, Sergipe, Brazil
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Khan R, Basha A, Goverdhanam R, Rao PC, Tanemura Y, Fujimoto Y, Begum AS. Attenuation of TNF-α secretion by L-proline-based cyclic dipeptides produced by culture broth of Pseudomonas aeruginosa. Bioorg Med Chem Lett 2015; 25:5756-61. [PMID: 26546220 DOI: 10.1016/j.bmcl.2015.10.075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 10/08/2015] [Accepted: 10/24/2015] [Indexed: 12/31/2022]
Abstract
To identify small molecule inhibitors of TNF-α, bioassay- and LC-MS-guided chemical investigation on EtOAc extract of Pseudomonas aeruginosa ABS-36 culture broth (EEPA) was performed, which yielded four proline-based cyclic dipeptides, cyclo(Gly-l-Pro) (1), cyclo(l-Pro-l-Phe) (2), cyclo(trans-4-hydroxy-l-Pro-l-Phe) (3) and cyclo(trans-4-hydroxy-l-Pro-l-Leu) (4). Compounds 1 and 3 exhibited potent inhibition of TNF-α release with IC50 values of 4.5 and 14.2μg/mL, respectively, while EEPA showed IC50 of 38.8μg/mL under lipopolysaccharide treated RAW 264.7 cell ELISA assay. Also, marked attenuation of mRNA-expression of TNF-α was shown by all compounds. In vivo testing in rats of EEPA and chemically synthesized 4 validated significant TNF-α reduction with 51% (500mg/kg) and 79% (50mg/kg), respectively. In addition, all compounds exhibited significant diminution of IL-1β and IL-6 mRNA-expression levels and NO production. All samples displayed only weak toxicity to lipopolysaccharide-induced RAW 264.7 cells.
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Affiliation(s)
- Rukaiyya Khan
- Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet, Hyderabad 500078, Telangana State, India
| | - Ameer Basha
- Regional Agricultural Research Station, Professor Jayashankar Telangana State Agricultural University, Palem 509 215, Mahaboobnagar District, Telangana State, India
| | - Ragavendra Goverdhanam
- Regional Agricultural Research Station, Professor Jayashankar Telangana State Agricultural University, Palem 509 215, Mahaboobnagar District, Telangana State, India
| | - Poorna Chandra Rao
- Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet, Hyderabad 500078, Telangana State, India
| | - Yuhei Tanemura
- Department of Chemistry and Materials Science, Tokyo Institute of Technology, O-okayama, Meguro, Tokyo 152-8551, Japan
| | - Yoshinori Fujimoto
- Department of Chemistry and Materials Science, Tokyo Institute of Technology, O-okayama, Meguro, Tokyo 152-8551, Japan
| | - Ahil Sajeli Begum
- Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet, Hyderabad 500078, Telangana State, India.
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Yang SC, Sung PJ, Lin CF, Kuo J, Chen CY, Hwang TL. Anti-inflammatory effects of secondary metabolites of marine Pseudomonas sp. in human neutrophils are through inhibiting P38 MAPK, JNK, and calcium pathways. PLoS One 2014; 9:e114761. [PMID: 25474595 PMCID: PMC4256452 DOI: 10.1371/journal.pone.0114761] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 11/13/2014] [Indexed: 01/01/2023] Open
Abstract
Activated neutrophils play a significant role in the pathogenesis of many inflammatory diseases. The metabolites of marine microorganisms are increasingly employed as sources for developing new drugs; however, very few marine drugs have been studied in human neutrophils. Herein, we showed that secondary metabolites of marine Pseudomonas sp. (N11) significantly inhibited superoxide anion generation and elastase release in formyl-L-methionyl-L-leucyl-L-phenylalanine (FMLP)-activated human neutrophils, with IC50 values of 0.67±0.38 µg/ml and 0.84±0.12 µg/ml, respectively. In cell-free systems, neither superoxide anion-scavenging effect nor inhibition of elastase activity was associated with the suppressive effects of N11. N11 inhibited the phosphorylation of p38 MAP kinase and JNK, but not Erk and Akt, in FMLP-induced human neutrophils. Also, N11 dose-dependently attenuated the transient elevation of intracellular calcium concentration in activated neutrophils. In contrast, N11 failed to alter phorbol myristate acetate-induced superoxide anion generation, and the inhibitory effects of N11 were not reversed by protein kinase A inhibitor. In conclusion, the anti-inflammatory effects of N11 on superoxide anion generation and elastase release in activated human neutrophils are through inhibiting p38 MAP kinase, JNK, and calcium pathways. Our results suggest that N11 has the potential to be developed to treat neutrophil-mediated inflammatory diseases.
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Affiliation(s)
- Shun-Chin Yang
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Anesthesiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ping-Jyun Sung
- Department of Life Science and Graduate Institute of Biotechnology, Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung, Taiwan
| | - Chwan-Fwu Lin
- Department of Cosmetic Science, and Research Center for Industry of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Jimmy Kuo
- National Museum of Marine Biology & Aquarium, Pingtung, Taiwan
| | - Chun-Yu Chen
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, School of Traditional Medicine, College of Medicine, and Chinese Herbal Medicine Research Team, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan
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