A comprehensive review on violacein production by microbial fermentation

Area of Science:

• Microbiology
• Biotechnology
• Natural Products Chemistry

Background:

• Violacein is a natural purple pigment with significant antibacterial, anticancer, antioxidant, and antiparasitic properties.
• Its therapeutic and industrial potential is hindered by a lack of understanding of its production mechanisms.
• Current production methods are limited in scalability and efficiency.

Purpose of the Study:

• To provide a comprehensive overview of recent advancements in violacein production.
• To examine challenges hindering violacein application and large-scale production.
• To propose strategies for optimizing violacein biosynthesis and sustainable feedstock utilization.

Main Methods:

• Reviewing integrated strategies for high-level violacein production, including heterologous expression and precursor supply enhancement.
• Analyzing optimization of fermentation conditions and recombinant strain development.
• Investigating the use of agro-industrial waste as a sustainable and cost-effective feedstock.

Main Results:

• Integrated strategies have successfully achieved high-level violacein production.
• Recombinant strains and optimized fermentation conditions provide a flexible and scalable platform.
• Utilizing agro-industrial waste shows promise for cost-effective and environmentally compatible production.

Conclusions:

• Advancements in metabolic engineering and fermentation technology enable efficient violacein biosynthesis.
• Optimizing gene expression, fermentation protocols, and feedstock are crucial for sustainable production.
• Violacein holds significant potential for applications in medicine, agriculture, and food industries.