Related Experiment Video
Updated: May 28, 2026
11:03
A Method for Extracting Pigments from Squid Doryteuthis pealeii
Published on: November 9, 2016
Bioactive pigments from marine bacteria: applications and physiological roles
Azamjon B Soliev1, Kakushi Hosokawa, Keiichi Enomoto
1Department of Environmental Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 782-8502, Japan.
Evidence-Based Complementary and Alternative Medicine : Ecam
|October 1, 2011
Summary
Marine bacteria yield unique pigments with diverse pharmacological activities. This review explores these natural compounds, their biological effects, and potential commercial applications.
Area of Science:
- Marine microbiology and natural product chemistry.
- Exploration of microbial metabolites for novel therapeutics.
- Bioprospecting of marine organisms.
Background:
- Marine bacteria are a rich source of bioactive natural products.
- Pigmented metabolites from marine bacteria show significant pharmacological potential.
- Challenges in isolating and cultivating marine microorganisms are being overcome.
Purpose of the Study:
- To review pigmented natural compounds from marine bacteria.
- To summarize their biological activities and pharmacological effects.
- To discuss biosynthesis, physiological roles, and commercial applications.
Main Methods:
- Literature review of accumulated data on marine pigmented compounds.
- Analysis of reported biological activities and pharmacological effects.
- Presentation of chemical structures and biosynthetic pathways.
Main Results:
- Marine bacteria produce a variety of unique pigmented natural products.
- These compounds exhibit broad-ranging pharmacological activities.
- Recent advances highlight their potential for commercial applications.
Conclusions:
- Pigmented natural products from marine bacteria represent a promising area for drug discovery.
- Further research into their biosynthesis and bioactivity can unlock new therapeutic avenues.
- Marine microbial metabolites offer significant potential for the pharmaceutical industry.
Related Concept Videos
01:23Red Algae
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
01:30Marine Microbial Ecology
Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
01:26Bacterial Phylum Bacteroidota
The phylum Bacteroidota includes over 700 species classified into four primary orders: Bacteroidales, Cytophagales, Flavobacteriales, and Sphingobacteriales. These gram-negative, non-sporulating rods exhibit saccharolytic capabilities and can be aerobic or fermentative, encompassing obligate aerobes, facultative aerobes, and obligate anaerobes. Many species display gliding motility, though some are nonmotile or use flagella. The genus Bacteroides is well-studied due to its significant role in...
01:24Evolution of New Traits in Microbes
Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...
01:30Anoxygenic Photosynthesis
Anoxygenic photosynthesis is a phototrophic process that captures light energy to drive carbon fixation without producing molecular oxygen. Unlike oxygenic photosynthesis, which utilizes water as an electron donor and releases oxygen, anoxygenic phototrophs use alternative electron donors such as hydrogen sulfide (H₂S), elemental sulfur (S⁰), or thiosulfate (S₂O₃²⁻). This process is carried out by diverse groups of bacteria, including purple bacteria, green sulfur bacteria, heliobacteria, and...
01:31Lipid-derived Compounds in the Human Body
Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...