Actinomycetes from Sediments in the Trondheim Fjord, Norway: Diversity and Biological Activity
2008

Actinomycetes from Trondheim Fjord: Diversity and Antibiotic Potential

Sample size: 3200 publication Evidence: moderate

Author Information

Author(s): Bredholt Harald, Fjærvik Espen, Johnsen Geir, Zotchev Sergey B.

Primary Institution: Norwegian University of Science and Technology

Hypothesis

Can fjord sediments from temperate areas be suitable sources for isolation of mycelium-forming actinomycetes producing antimicrobial compounds?

Conclusion

Actinomycetes from marine sediments in Norwegian fjords can be potential sources for the discovery of novel anti-infective agents.

Supporting Evidence

  • Approximately 3,200 actinomycete bacteria were isolated from sediment samples.
  • Micromonospora was the dominating actinomycete genus isolated from the sediments.
  • Nine percent of the isolates required sea water for normal growth.
  • Strong antibiotic-producing potential was revealed among the collected isolates.

Takeaway

Scientists found a lot of tiny bacteria in the mud of a Norwegian fjord that can make medicine to fight germs.

Methodology

Sediment samples were collected from different depths and locations, and actinomycete bacteria were isolated using selective agar media.

Limitations

The study analyzed too few samples to draw solid conclusions about the diversity and activity of actinomycetes.

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