A DISTINCTIVE REVIEW UNVEILING ENDOPHYTIC MARINE MICROBE THROUGH THE PRISM OF PIGMENTS AND THEIR UNPARALLELED CONTRIBUTIONS IN MULTIFACETED INDUSTRIES

Abstract

The growing demand for sustainable and eco-friendly alternatives across industries has spurred interest in natural pigments, particularly those derived from marine endophytes. These microorganisms, which inhabit marine plants and algae without causing harm, have emerged as promising sources of bioactive compounds, including pigments like carotenoids, violacein, prodigiosin, and melanin with industrial relevance. This review aims to explore the potential of pigments derived from marine endophytes, highlighting their advantages over conventional synthetic and plant-based pigments. The primary objectives include evaluating the diversity of marine endophytes, the types of pigments they produce, their biological activities, and their applications in sectors such as food, cosmetics, textiles, and pharmaceuticals. To achieve these objectives, the review draws upon studies utilizing standard isolation methods like spread plate technique including surface sterilization of host tissues followed by culturing on nutrient media for the growth of endophytic strains. The isolated bacteria is identified preliminarily by  morphological characterization and biochemical assays and  confirmed by molecular techniques such as 16S rRNA sequencing. These methodologies ensure accurate taxonomic classification and assessment of pigment-producing capabilities. Marine endophytes offer several advantages: rapid growth, low-cost cultivation, and independence from seasonal variability, ensuring a stable pigment supply. Their pigments exhibit high solubility and stability, along with anti-oxidant, anti-microbial, and anti-inflammatory properties, further enhancing their industrial appeal. By summarizing current knowledge on marine endophyte-derived pigments, this review underscores their potential as sustainable alternatives to synthetic dyes and encourages further exploration into their commercial viability.