Cited by 64Microbial Natural Products and BiosynthesisMarine Sponges and Natural ProductsMicrobial Metabolism and Applications

LC-MS-Based metabolomics study of marine bacterial secondary metabolite and antibiotic production in Salinispora arenicola

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Bose, Utpal, Hewavitharana, Amitha, Ng, Yi, Shaw, Paul, Fuerst, John, Hodson, Mark·2015·Marine Drugs

Abstract

An LC-MS-based metabolomics approach was used to characterise the variation in secondary metabolite production due to changes in the salt content of the growth media as well as across different growth periods (incubation times). We used metabolomics as a tool to investigate the production of rifamycins (antibiotics) and other secondary metabolites in the obligate marine actinobacterial species Salinispora arenicola, isolated from Great Barrier Reef (GBR) sponges, at two defined salt concentrations and over three different incubation periods. The results indicated that a 14 day incubation period is optimal for the maximum production of rifamycin B, whereas rifamycin S and W achieve their maximum concentration at 29 days. A “chemical profile” link between the days of incubation and the salt concentration of the growth medium was shown to exist and reliably represents a critical point for selection of growth medium and harvest time.

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Authors
Bose, U., Hewavitharana, A., Ng, Y., Shaw, P., Fuerst, J., & Hodson, M.
Affiliations
The University of Queensland (AU)
Corresponding author
Hodson, Mark
Venue
Marine Drugs
Publisher
MDPI AG
Published
2015-01-07
Volume
13
Issue
1
Pages
249-266
ISSN
1660-3397 (ISSN-L)
OpenAlex
W2015490812
Cited by
64
References
67
Citations by year
2026: 4 · 2025: 4 · 2024: 7 · 2023: 5 · 2022: 9 · 2021: 3 · 2020: 8 · 2019: 7 · 2018: 5 · 2017: 8 · 2016: 3 · 2015: 1
FWCI
4.07
Type
journal article
Language
en
Open access
Locations
  • Marine Drugs (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
University of Queensland
Topics
  • Health Sciences › Medicine › Pharmacology › Microbial Natural Products and Biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Marine Sponges and Natural Products
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Metabolism and Applications
Keywords
Salinispora arenicola, marine actinomycetes, secondary metabolites, antibiotic production, rifamycin B, rifamycin S, salt concentration, incubation time, sponge-associated bacteria, metabolite profiling, growth medium optimization
MeSH terms
Animals, Anti-Bacterial Agents, Chromatography, Liquid, Micromonosporaceae, Porifera, Rifamycins, Seawater, Mass Spectrometry, Metabolomics

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