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<p>Indole alkaloids, a well-known class of nitrogen-containing secondary metabolites, are characterized by their complex structures and diverse biological activities. Although they have historically been produced from plants, microbial sources like bacteria, fungi, endophytes, and cyanobacteria are becoming more and more popular as effective and sustainable substitutes. In order to synthesize indole alkaloids, these microorganisms have specialized enzymatic pathways, which frequently offer benefits like shorter production cycles and environmental adaptability. The production yields and structural diversity of these compounds have been greatly increased by developments in biotechnological techniques, such as metabolic engineering, synthetic biology, and optimized fermentation methods. Indole alkaloids are widely used in agriculture as biopesticides, herbicides, and plant growth regulators, as well as in pharmaceuticals as anticancer, antimicrobial, antiviral, and neuroprotective agents. The study of microbial systems for their production addresses a number of problems with plant-based extraction, including low yields, seasonal variability, and environmental impact. Additionally, microbial platforms present chances for the sustainable development and large-scale, economical synthesis of these valuable compounds. An outline of the microbial sources of indole alkaloids is provided in this review, &#xa0;which includes endophytes, bacteria,&#xa0;cyanobacteria,&#xa0;and fungi. It also looks at the most recent developments in biotechnological production techniques and emphasizes their applications. This review highlights the growing importance of microbial systems in meeting the growing demand for indole alkaloids worldwide in a variety of sectors by highlighting them as scalable and environmentally friendly platforms.</p>

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Recent Progress in the Microbial Production and Applications of Indole Alkaloids

  • 期刊论文

  • 发表日期：

    2026年4月27日

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  • Chrisbel Ponmudiraj,
  • June Susan Abraham,
  • Rashmi Ramakrishnan,
  • Jameel M. Al-Khayri,
  • Praveen Nagella

摘要

Indole alkaloids, a well-known class of nitrogen-containing secondary metabolites, are characterized by their complex structures and diverse biological activities. Although they have historically been produced from plants, microbial sources like bacteria, fungi, endophytes, and cyanobacteria are becoming more and more popular as effective and sustainable substitutes. In order to synthesize indole alkaloids, these microorganisms have specialized enzymatic pathways, which frequently offer benefits like shorter production cycles and environmental adaptability. The production yields and structural diversity of these compounds have been greatly increased by developments in biotechnological techniques, such as metabolic engineering, synthetic biology, and optimized fermentation methods. Indole alkaloids are widely used in agriculture as biopesticides, herbicides, and plant growth regulators, as well as in pharmaceuticals as anticancer, antimicrobial, antiviral, and neuroprotective agents. The study of microbial systems for their production addresses a number of problems with plant-based extraction, including low yields, seasonal variability, and environmental impact. Additionally, microbial platforms present chances for the sustainable development and large-scale, economical synthesis of these valuable compounds. An outline of the microbial sources of indole alkaloids is provided in this review,  which includes endophytes, bacteria, cyanobacteria, and fungi. It also looks at the most recent developments in biotechnological production techniques and emphasizes their applications. This review highlights the growing importance of microbial systems in meeting the growing demand for indole alkaloids worldwide in a variety of sectors by highlighting them as scalable and environmentally friendly platforms.