Volatile Nitrogenous Compounds from Bacteria: Source of Novel Bioactive Compounds

Area of Science:

• Microbiology
• Biochemistry
• Pharmacology

Background:

• Bacteria synthesize diverse nitrogenous compounds through primary and secondary metabolism.
• Bacterial volatile nitrogenous compounds (BVNCs) from secondary metabolism exhibit various bioactivities, including antioxidant, antibacterial, and antitumor properties.
• Factors like culture media and extraction solvents influence BVNC production and identification.

Purpose of the Study:

• To review BVNCs produced by bacteria, with a specific emphasis on their antimicrobial properties.
• To focus on azo-compounds, particularly pyrazines and pyrrolo-pyridines, known for their antimicrobial effects.
• To discuss extraction and identification methods for these compounds.

Main Methods:

• Literature review of studies on bacterial volatile nitrogenous compounds.
• Focus on compounds with reported antimicrobial activity, especially pyrazines and pyrrolo-pyridines.
• Inclusion of discussions on extraction and identification techniques.

Main Results:

• BVNCs, especially pyrazines and pyrrolo-pyridines, demonstrate potent antimicrobial activity against various microorganisms.
• The production and characteristics of these compounds are influenced by specific growth and extraction conditions.
• This review consolidates current knowledge on these bioactive BVNCs.

Conclusions:

• Bacterial volatile nitrogenous compounds, particularly pyrazines and pyrrolo-pyridines, represent a promising source of novel antimicrobial agents.
• Understanding the factors influencing their production is crucial for optimizing their extraction and application.
• This review provides a comprehensive overview of BVNCs and their antimicrobial potential.