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Published on: October 31, 2019
Antibacterial Compounds from Marine Bacteria, 2010-2015
Claudia Schinke1, Thamires Martins1, Sonia C N Queiroz2
1Department of Food Science, School of Food Engineering, University of Campinas , Campinas-SP, CEP 13083-862, Brazil.
Journal of Natural Products
|April 1, 2017
Summary
Marine bacteria yielded over 50 antibacterial compounds between 2010-2015. These compounds, including novel broad-spectrum agents and known molecules with new activities, offer promising leads for developing new antibiotics against resistant bacteria.
Area of Science:
- Marine microbiology
- Natural product chemistry
- Antimicrobial drug discovery
Background:
- Marine environments harbor diverse bacteria with potential for novel bioactive compound production.
- Antibiotic resistance necessitates the continuous search for new antimicrobial agents.
- Natural products, including those from marine sources, represent a rich resource for drug discovery.
Purpose of the Study:
- To review and summarize antibacterial compounds isolated from marine-derived bacteria between 2010 and 2015.
- To identify promising new antibacterial leads and assess their potential against resistant pathogens.
- To highlight the significance of known natural products as sources for new antibacterial activities.
Main Methods:
- Literature review of scientific reports published between 2010 and 2015.
- Isolation and characterization of antibacterial compounds from marine bacteria.
- Bioassays to determine antibacterial activity against Gram-positive and Gram-negative bacteria, including resistant strains.
Main Results:
- Over 50 active antibacterial compounds were isolated from marine bacteria.
- Actinobacteria were the primary source, accounting for 69% of the isolated compounds.
- New broad-spectrum antibacterial compounds were identified, active against antibiotic-resistant bacteria.
- Known compounds, such as etamycin A and nosiheptide, exhibited previously undetected antibacterial activities.
- Examples of promising new leads include Anthracimycin, kocurin, gageotetrins A-C, and gageomacrolactins 1-3.
Conclusions:
- Marine bacteria are a valuable source of diverse antibacterial compounds.
- Known natural products can serve as important leads for developing new antibiotics.
- Novel compounds with broad-spectrum activity against resistant bacteria were discovered, offering potential for new therapeutic agents.
- Further investigation into marine natural products is crucial for addressing the challenge of antibiotic resistance.
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