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Related Concept Videos

Green Algae01:21

Green Algae

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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...
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Other Algae01:19

Other Algae

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The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Overview of Algae01:28

Overview of Algae

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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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Red Algae01:23

Red Algae

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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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Sustainable Development01:43

Sustainable Development

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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Bioremediation00:46

Bioremediation

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Updated: Aug 11, 2025

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Developing algae as a sustainable food source.

Crisandra J Diaz1, Kai J Douglas1, Kalisa Kang1

  • 1Mayfield Lab, Division of Biological Sciences, Department of Molecular Biology, University of California, San Diego, San Diego, CA, United States.

Frontiers in Nutrition
|February 6, 2023
PubMed
Summary
This summary is machine-generated.

Algae, including microalgae and cyanobacteria, offer a sustainable solution for food production, providing nutritious biomass with minimal environmental impact. Advancements in cultivation are paving the way for algae-based foods to meet global demand.

Keywords:
algaebiotechnologybreedingcultivationcyanobacteriaessential nutrientgenetic tools for microalgaemicroalgae

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Area of Science:

  • Food Science and Technology
  • Sustainable Agriculture
  • Biotechnology

Background:

  • Global food production faces unprecedented stress from climate change and population growth.
  • Traditional agriculture is resource-intensive and environmentally impactful.
  • Algae (macro and micro) have a long history as a nutritious food source and offer sustainable alternatives.

Purpose of the Study:

  • To explore the potential of microalgae and cyanobacteria as sustainable food sources.
  • To highlight advancements in algae cultivation and breeding for food applications.
  • To identify challenges in scaling up algae biomass production for the food market.

Main Methods:

  • Leveraging knowledge from microalgae cultivation for biofuel production for food applications.
  • Focusing on advancements in cultivation and breeding tools for algae.
  • Analyzing the nutritional and organoleptic qualities of algae for food utilization.

Main Results:

  • Algae are highly efficient resource utilizers, producing nutritious biomass (proteins, lipids, carbohydrates, essential fatty acids, vitamins, minerals).
  • Algae cultivation offers environmental benefits, including CO2 sequestration and reduced reliance on arable land and potable water.
  • Existing cultivation and breeding tools can be adapted to enhance algae productivity and quality for mainstream food use.

Conclusions:

  • Microalgae and cyanobacteria represent a promising avenue for developing diverse, sustainable, and nutritious food sources.
  • Further development of cultivation and breeding technologies is crucial for large-scale economic viability in the food market.
  • Algae-based foods can complement traditional agriculture, addressing food security challenges with reduced environmental impact.