Features of the microalga Raphidocelis subcapitata: physiology and applications

Area of Science:

• Environmental Science
• Microbiology
• Biotechnology

Background:

• Raphidocelis subcapitata, also known as Pseudokirchneriella subcapitata, is a freshwater microalga widely used in ecotoxicity assessments.
• Despite its established role in toxicology, R. subcapitata remains under-explored in other scientific domains.

Purpose of the Study:

• To provide a comprehensive review of R. subcapitata, encompassing its taxonomy, phylogeny, and physiology.
• To critically discuss its cultivation, maintenance, and aging processes.
• To highlight recent advancements and future potential in its application in biotechnology and biorefineries.

Main Methods:

• Literature review of R. subcapitata's taxonomy, phylogeny, morphology, and ultrastructure.
• Summary and critical discussion of nutritional, cultural, and maintenance conditions.
• Compilation of current applications in aquatic toxicology and emerging biotechnological uses.

Main Results:

• Detailed review of R. subcapitata's biological characteristics and reproductive strategies.
• Critical analysis of optimal conditions for algal cultivation and long-term preservation.
• Overview of established ecotoxicity applications and novel uses in bioremediation and biomolecule production.

Conclusions:

• R. subcapitata possesses significant, yet largely untapped, potential beyond ecotoxicity testing.
• Further research into its cultivation and biological properties can unlock its utility in biorefineries for sustainable production.
• This review consolidates current knowledge and outlines future research directions for R. subcapitata exploitation.