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Related Concept Videos

Cell Culture01:21

Cell Culture

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Most vertebrate cells grow in vitro attached to a substrate as a monolayer, called adherent cultures. The flasks and plates used to grow cells are chemically treated to facilitate cell attachment. However, a few cell types, such as hematopoietic cells, can grow in a suspension. In contrast to adherent cultures, suspension cultures can grow in non-treated cultureware using magnetic stirrers or spinner flasks to agitate the culture media
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Green Algae01:21

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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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Mammalian cell cultivation using nutrients extracted from microalgae.

Yuta Okamoto1,2, Yuji Haraguchi2, Naoya Sawamura3

  • 1Department of Life Science & Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan.

Biotechnology Progress
|November 23, 2019
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Summary

Microalgae can provide essential nutrients like glucose and amino acids for mammalian cell culture, reducing reliance on grain-based agriculture and its environmental impact. This sustainable approach supports cultured meat production and cell-based research.

Keywords:
acidic hydrolysisamino acidsglucosemammalian cell culturemicroalgaenutrients

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Area of Science:

  • Biotechnology
  • Cell Biology
  • Sustainable Agriculture

Background:

  • Mammalian cell culture, including for cultured meat, relies on nutrients like glucose and amino acids.
  • Current nutrient sources, primarily grains, have significant environmental costs (fertilizers, emissions) and are climate-vulnerable.
  • Microalgae are efficient producers of nutrients using sustainable inputs like solar energy and inorganic substances.

Purpose of the Study:

  • To investigate the feasibility of using microalgae-derived nutrients for mammalian cell cultivation.
  • To establish a more sustainable and environmentally friendly cell culture system.

Main Methods:

  • Extraction of glucose from Chlorococcum littorale and Arthrospira platensis using sulfuric acid.
  • Extraction of 18 proteinogenic amino acids from Chlorella vulgaris using hydrochloric acid.
  • Cultivation of C2C12 mouse myoblasts in nutrient-deficient media supplemented with algal extracts.

Main Results:

  • Efficient extraction of glucose and multiple amino acids from selected microalgae species.
  • Algal extracts successfully rescued C2C12 mouse myoblast cell death in nutrient-deficient media.
  • Demonstrated that microalgae-derived nutrients can support mammalian cell viability.

Conclusions:

  • Microalgae are a viable source of essential nutrients for mammalian cell culture.
  • This research presents a novel, sustainable alternative to traditional nutrient sources, mitigating environmental concerns.
  • This study is a foundational step towards eco-friendly cell culture systems resilient to environmental changes.