A model to predict anti-tuberculosis activity: value proposition for marine microorganisms.

Area of Science:

• Marine microbiology
• Medicinal chemistry
• Antimicrobial drug discovery

Background:

• Tuberculosis (TB) remains a significant global health challenge, necessitating novel therapeutic agents.
• Existing antibiotic pipelines face limitations, highlighting the need for diverse drug sources.
• Marine natural products represent an underexplored reservoir for novel bioactive compounds.

Purpose of the Study:

• To assess the potential of marine microbe-derived natural products as sources for new anti-tuberculosis (TB) drugs.
• To compare the physico-chemical properties of marine natural products with existing TB drugs and drug candidates.
• To identify characteristics of marine natural products that align with the 'drug-like' properties required for TB treatment.

Main Methods:

• Physico-chemical property analysis of 39 current TB drugs and candidates.
• Screening and analysis of 60 natural products derived from marine microbes with confirmed antimycobacterial activity.
• Comparative analysis to identify overlaps and differences in properties between marine products and TB drugs.

Main Results:

• Marine microbe-derived natural products exhibit significant overlap in physico-chemical properties with established TB drugs and candidates.
• This overlap suggests that marine natural products possess favorable drug-like characteristics relevant to TB therapy.
• Key physico-chemical parameters were identified that correlate with antimycobacterial activity in marine natural products.

Conclusions:

• Marine natural products are a viable and promising source for the development of novel anti-TB drug leads.
• The physico-chemical properties of these marine compounds align well with those of existing anti-TB agents.
• A predictive model can be developed based on these findings to guide the discovery of new anti-TB drugs from marine sources.