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Froese JT, Balsamo JA, Reisman BJ, Barone SM, Irish JM, Bachmann BO. Multiplexed activity metabolomics for isolation of filipin macrolides from a hypogean actinomycete. J Antibiot (Tokyo) 2025; 78:78-89. [PMID: 39643649 PMCID: PMC11769839 DOI: 10.1038/s41429-024-00792-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2024] [Revised: 10/11/2024] [Accepted: 11/18/2024] [Indexed: 12/09/2024]
Abstract
Chemical and biological stimulus screening in a hypogean actinomycete was used to elicit secondary metabolism. Optimal biosynthesis of bioactive natural products was identified using Multiplexed Activity Profiling for determining dose-dependent activity via six single-cell biological readouts. Bioactive extracts were fractioned to establish candidate compounds for isolation using Multiplexed Activity Metabolomics by correlating microtiter well-isolated phenotypes and extracted ion current peaks. This guided the isolation of four filipin polyene macrolides including a new metabolite filipin XV, an alkyl side-chain hydroxylated congener of the filipin chainin, with substantially attenuated cytotoxicity. Filipin-specific cytotoxicity was confirmed using flow cytometry and fluorescence microscopy.
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Affiliation(s)
- Jordan T Froese
- Department of Chemistry, Ball State University, Muncie, IN, USA
| | - Joseph A Balsamo
- Department of Pharmacology, Vanderbilt University, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Benjamin J Reisman
- Program in Chemical & Physical Biology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Sierra M Barone
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jonathan M Irish
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Cell & Developmental Biology, Vanderbilt University, Nashville, TN, USA
- Department of Pathology, Microbiology, & Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Brian O Bachmann
- Department of Pharmacology, Vanderbilt University, Vanderbilt University School of Medicine, Nashville, TN, USA.
- Program in Chemical & Physical Biology, Vanderbilt University School of Medicine, Nashville, TN, USA.
- Department of Chemistry, Vanderbilt University, Nashville, TN, USA.
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Munson E, Carroll KC. An Update on the Novel Genera and Species and Revised Taxonomic Status of Bacterial Organisms Described in 2016 and 2017. J Clin Microbiol 2019; 57:e01181-18. [PMID: 30257907 PMCID: PMC6355528 DOI: 10.1128/jcm.01181-18] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Recognition and acknowledgment of novel bacterial taxonomy and nomenclature revisions can impact clinical practice, disease epidemiology, and routine clinical microbiology laboratory operations. The Journal of Clinical Microbiology (JCM) herein presents its biannual report summarizing such changes published in the years 2016 and 2017, as published and added by the International Journal of Systematic and Evolutionary Microbiology Noteworthy discussion centers around descriptions of novel Corynebacteriaceae and an anaerobic mycolic acid-producing bacterium in the suborder Corynebacterineae; revisions within the Propionibacterium, Clostridium, Borrelia, and Enterobacter genera; and a major reorganization of the family Enterobacteriaceae. JCM intends to sustain this series of reports as advancements in molecular genetics, whole-genome sequencing, and studies of the human microbiome continue to produce novel taxa and clearer understandings of bacterial relatedness.
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Affiliation(s)
- Erik Munson
- College of Health Sciences, Marquette University, Milwaukee, Wisconsin, USA
| | - Karen C Carroll
- Division of Medical Microbiology, Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Spirosoma pomorum sp. nov., isolated from apple orchard soil. J Microbiol 2018; 56:90-96. [PMID: 29392558 DOI: 10.1007/s12275-018-7430-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 12/29/2017] [Accepted: 01/04/2018] [Indexed: 01/06/2023]
Abstract
A Gram-negative, motile, rod-shaped, aerobic bacterial strain, designated S7-2-11T, was isolated from apple orchard soil from Gyeongsangnam-do Province, Republic of Korea, and was characterized taxonomically using a polyphasic approach. 16S rRNA gene sequence analysis indicated that strain S7-2-11T belongs to the family Cytophagaceae in phylum Bacteroidetes, and is closely related to Spirosoma luteolum 16F6ET (94.2% identity), Spirosoma knui 15J8-12T (92.7%), and Spirosoma linguale DSM 74T (91.0%). The G + C content of the genomic DNA of strain S7-2-11T was 49.8 mol%. Strain S7-2-11T contained summed feature 3 (C16:1 ω7c/C16:1 ω6c; 35.1%), C16:1 ω5c (22.4%), C15:0 iso (13.9%), and C17:0 iso 3-OH (10.6%) as major cellular fatty acids, and MK-7 as the predominant respiratory quinone. The main polar lipids were phosphatidylethanolamine, an unidentified aminophospholipid, and two unidentified polar lipids. Phenotypic and chemotaxonomic data supported the affiliation of strain S7-2-11T with the genus Spirosoma. The results of physiological and biochemical tests showed the genotypic and phenotypic differentiation of the isolate from recognized Spirosoma species. On the basis of its phenotypic properties, genotypic distinctiveness, and chemotaxonomic features, strain S7-2-11T represents a novel species of the genus Spirosoma, for which the name Spirosoma pomorum sp. nov. is proposed. The type strain is S7-2-11T (= KCTC 52726T = JCM 32130T).
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Li W, Lee SY, Kang IK, Ten LN, Jung HY. Spirosoma agri sp. nov., Isolated from Apple Orchard Soil. Curr Microbiol 2018; 75:694-700. [DOI: 10.1007/s00284-018-1434-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 01/05/2018] [Indexed: 10/18/2022]
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Okiria J, Ten LN, Park SJ, Lee SY, Lee DH, Kang IK, Lee DS, Jung HY. Spirosoma migulaei sp. nov., isolated from soil. J Microbiol 2017; 55:927-932. [DOI: 10.1007/s12275-017-7377-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 11/02/2017] [Accepted: 11/03/2017] [Indexed: 12/12/2022]
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Ten LN, Okiria J, Lee JJ, Lee SY, Park S, Lee DS, Kang IK, Kim MK, Jung HY. Spirosoma terrae sp. nov., Isolated from Soil from Jeju Island, Korea. Curr Microbiol 2017; 75:492-498. [DOI: 10.1007/s00284-017-1408-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 11/29/2017] [Indexed: 12/11/2022]
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Ten LN, Okiria J, Lee JJ, Lee SY, Kang IK, Lee DS, Jung HY. Spirosoma koreense sp. nov., a species of the family Cytophagaceae isolated from beach soil. Int J Syst Evol Microbiol 2017; 67:5198-5204. [DOI: 10.1099/ijsem.0.002440] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Leonid N. Ten
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Joseph Okiria
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jae-Jin Lee
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Seung-Yeol Lee
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - In-Kyu Kang
- Department of Horticultural Science, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Dae Sung Lee
- Department of Environmental Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Hee-Young Jung
- Institute of Plant Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
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Okiria J, Ten LN, Lee JJ, Lee SY, Cho YJ, Kim MK, Jung HY. Spirosoma litoris sp. nov., a bacterium isolated from beach soil. Int J Syst Evol Microbiol 2017; 67:4986-4991. [DOI: 10.1099/ijsem.0.002394] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Joseph Okiria
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Leonid N. Ten
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jae-Jin Lee
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Seung-Yeol Lee
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Young-Je Cho
- School of Food Science and Biotechnology/Food and Bio-Industry Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Myung Kyum Kim
- Department of Bio and Environmental Technology, Seoul Women’s University, Seoul 01797, Republic of Korea
| | - Hee-Young Jung
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
- Institute of Plant Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
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Spirosoma jeollabukense sp. nov., isolated from soil. Arch Microbiol 2017; 200:431-438. [DOI: 10.1007/s00203-017-1453-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 10/25/2017] [Accepted: 11/13/2017] [Indexed: 02/06/2023]
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Weilan L, Lee JJ, Lee SY, Park S, Ten LN, Jung HY. Spirosoma humi sp. nov., Isolated from Soil in South Korea. Curr Microbiol 2017; 75:328-335. [DOI: 10.1007/s00284-017-1384-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 10/28/2017] [Indexed: 01/03/2023]
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Elderiny N, Lee SY, Park S, Kang IK, Kim MK, Lee DS, Ten LN, Jung HY. Spirosoma flavus sp. nov., a novel bacterium from soil of Jeju Island. J Microbiol 2017; 55:850-855. [PMID: 29076067 DOI: 10.1007/s12275-017-7360-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 09/28/2017] [Accepted: 10/03/2017] [Indexed: 10/18/2022]
Abstract
A novel, Gram-staining negative, yellow pigmented bacterial strain, designated 15J11-2T, was isolated from soil sample on Jeju Island, Republic of Korea. The strain was subjected to a taxonomic study using a polyphasic approach. The strain was able to grow at temperature range from 10°C to 30°C, pH 7-8, and in presence of 0-1% (w/v) NaCl. Comparative 16S rRNA gene sequence analysis showed that strain 15J11-2T belongs to the genus Spirosoma and levels of 16S rRNA gene sequence similarity ranged from 91.5% to 89.8%. The genomic DNA G + C content of strain 15J11-2T was 46.0 mol%. The isolate contained phosphatidylethanolamine and an unidentified aminophospholipid as the main polar lipids, menaquinone MK-7 as the predominant respiratory quinone, and summed feature 3 (C16:1 ω6c/C16:1 ω7c; 39.4%), C16:1 ω5c (27.1%), and C16:0 (13.0%) as the major fatty acids, which supported the affiliation of strain 15J11-2T to the genus Spirosoma. The results of physiological and biochemical tests allowed genotypic and phenotypic differentiation of strain 15J11-2T from recognized Spirosoma species. On the basis of its phenotypic properties, genotypic distinctiveness, chemotaxonomic features, strain 15J11-2T represents a novel species of the genus Spirosoma, for which the name Spirosoma flavus sp. nov. is proposed. The type strain is 15J11-2T (= KCTC 52026T = JCM 31998T).
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Affiliation(s)
- Nabil Elderiny
- College of Agricultural and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Seung-Yeol Lee
- College of Agricultural and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Sangkyu Park
- College of Agricultural and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - In-Kyu Kang
- Department of Horticultural Science, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Myung Kyum Kim
- Department of Bio and Environmental Technology, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Dae Sung Lee
- Department of Environmental Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Leonid N Ten
- College of Agricultural and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hee-Young Jung
- College of Agricultural and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea. .,Institute of Plant Medicine, Kyungpook National University, Daegu, 41566, Republic of Korea.
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