Exploring the bioactive potential of deep-sea microorganisms: A review of recent discoveries

Area of Science:

• Marine Biology
• Pharmacology
• Natural Products Chemistry

Background:

• The deep-sea is an extreme, underexplored environment rich in microbial diversity.
• Deep-sea microorganisms are adapted to high pressure, low temperatures, and darkness, producing unique bioactive compounds.
• These compounds hold immense pharmaceutical potential for drug discovery.

Purpose of the Study:

• To review recent discoveries of novel natural products from deep-sea microorganisms.
• To highlight the bioactivity and pharmaceutical potential of these compounds.
• To emphasize the deep-sea as a frontier for future drug discovery research.

Main Methods:

• Literature review of scientific publications from 2020 to October 2024.
• Analysis of 440 novel natural products from deep-sea organisms (100-11,000 m).
• Focus on deep-sea fungi and actinomycetes, detailing their sources, depths, and origins.

Main Results:

• 440 novel natural products were discovered and characterized.
• 80% of these compounds exhibited significant bioactivity.
• Nearly 50% showed potent cytotoxicity against human cancer cell lines at low micromolar concentrations.

Conclusions:

• Deep-sea microorganisms are a highly promising source of novel bioactive compounds.
• These compounds have substantial potential for pharmaceutical applications, particularly in oncology.
• Further exploration of the deep-sea ecosystem is crucial for uncovering new therapeutic agents.