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Green Algae

Green Algae

Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...

Red Algae

Red 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...

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Related Experiment Video

Updated: Jun 7, 2025

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

Microalgae: A good carrier for biological selenium enrichment.

Shuang Liu¹, Muhammad Abu Bakar Saddique¹, Yiming Liang¹

¹Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610000, China; Chengdu Agricultural Science and Technology Center, Chengdu 610000, China.

Bioresource Technology

|November 9, 2024

Summary

Microalgae offer a controlled solution for selenium supplementation, addressing global deficiencies. These single-celled organisms efficiently enrich selenium for human health and agriculture.

Keywords:

Nano-selenium Selenium metabolism Selenium-rich microalgae Selenoproteins

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Area of Science:

Biotechnology
Nutritional Science
Environmental Science

Background:

Selenium is vital for antioxidant, anti-ageing, and antiviral functions.
Over one billion people suffer from selenium deficiency globally.
Conventional food sources present challenges for precise selenium supplementation.

Purpose of the Study:

To review microalgae as carriers for selenium enrichment.
To explore metabolic pathways and biological transformations of selenium in microalgae.
To forecast applications of selenium-enriched microalgae in agriculture and human health.

Main Methods:

Comprehensive literature review on single-celled microalgae.
Analysis of metabolic pathways and selenium biotransformation.
Assessment of current applications and future prospects.

Main Results:

Microalgae are efficient, controllable carriers for selenium enrichment.
They offer rapid growth, industrial scalability, and high selenium conversion efficiency.
Diverse valuable forms of selenium can be obtained from microalgae.

Conclusions:

Selenium-enriched microalgae represent a promising strategy for addressing global selenium deficiency.
They provide a sustainable and precise source of selenium for agricultural and human health applications.
This review serves as a reference for industrial production of selenium-rich microalgal materials.