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Related Concept Videos

Green Algae01:21

Green Algae

62
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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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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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...
49

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Related Experiment Video

Updated: Jul 28, 2025

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Microalgae in Bioplastic Production: A Comprehensive Review.

Yukta Arora1, Shivika Sharma2, Vikas Sharma1

  • 1Department of Molecular Biology and Genetic Engineering, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Jalandhar, Punjab India.

Arabian Journal for Science and Engineering
|June 2, 2023
PubMed
Summary

Microalgae offer a sustainable solution to plastic pollution, providing a biodegradable alternative to petroleum-based plastics. Research explores optimizing microalgal bioplastic production through innovative bioengineering and genetic tools.

Keywords:
Bio-based plasticBioeconomyCRISPR–Cas9 (clustered regularly interspaced short palindromic repeats)Degradable plasticsLCA (life cycle assessment)Microalgae

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Area of Science:

  • Biotechnology
  • Environmental Science
  • Materials Science

Background:

  • Increasing global demand for plastics exacerbates pollution due to low recycling rates and non-biodegradability.
  • Petroleum-based plastics are projected to consume 20% of global oil by 2050, necessitating sustainable alternatives.
  • Bioplastics derived from microalgae present an environmentally benign solution with reduced carbon footprint and toxicity.

Purpose of the Study:

  • To review current techniques for bioplastic production from microalgal species.
  • To identify optimization opportunities in microalgal bioplastic production processes.
  • To explore the potential of microalgae as a feedstock for sustainable biopolymers.

Main Methods:

  • Review of existing literature on microalgal bioplastic production strategies.
  • Discussion of "with blending" (algal biomass with bioplastics/starch) and "without blending" (algae as feedstock for polyhydroxyalkanoates) methods.
  • Highlighting the role of advanced bioengineering and genetic tools like CRISPR-Cas9.

Main Results:

  • Microalgae are abundant, easily cultivated in wastewater, and possess polysaccharides suitable for biopolymer synthesis.
  • Two primary strategies for bioplastic production from algal biomass are "with blending" and "without blending."
  • Genetic engineering can enhance polyhydroxyalkanoates (PHA/PHB) accumulation in microalgal strains.

Conclusions:

  • Microalgal bioplastics offer a sustainable and biodegradable alternative to conventional plastics.
  • Optimization of production techniques and utilization of advanced genetic tools are crucial for efficient bioplastic development from microalgae.
  • Further research into recombinant microalgae strains can significantly increase biopolymer yields.