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Updated: Jan 23, 2026
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Microbial Communities in Nature and Laboratory - Interview
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Mining the deep Red-Sea brine pool microbial community for anticancer therapeutics
Luke Esau1, Guishan Zhang2,3, Sunil Sagar1
1King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal, Jeddah, 23955-6900, Saudi Arabia.
BMC Complementary and Alternative Medicine
|June 22, 2019
Summary
Red Sea brine pool microbes yield novel anticancer compounds. Extracts showed significant cytotoxic and apoptotic activity against cancer cell lines, offering potential new cancer treatments.
Area of Science:
- Microbiology
- Biotechnology
- Pharmacology
Background:
- Red Sea brine pool microbes inhabit extreme environments (high temp, salinity, heavy metals).
- These microbes produce secondary metabolites, indicating potential for novel therapeutic compounds.
Purpose of the Study:
- To investigate Red Sea brine pool microbial extracts for anticancer properties.
- To identify extracts with cytotoxic and apoptotic activities against human cancer cell lines.
Main Methods:
- Isolated 60 ethyl-acetate extracts from Red Sea extremophilic microbial strains.
- Tested extracts for cytotoxic and apoptotic activities against various human cancer cell lines.
Main Results:
- Bacterial extracts from the Erba brine-pool showed significant activity (≥30% growth inhibition).
- Seven extracts demonstrated selectivity against triple-negative BT20 cancer cells over normal fibroblasts.
- Identified extracts induced caspase-dependent apoptosis in cancer cell lines.
Conclusions:
- Red Sea brine pool microbial extracts possess anticancer potential.
- Further research may lead to new chemotherapeutic agents for cancers with limited treatment options.
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