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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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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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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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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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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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Related Experiment Video

Updated: Aug 23, 2025

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Advances in engineering algae for biofuel production.

Anne M Ruffing1, Ryan W Davis2, Todd W Lane2

  • 1Sandia National Laboratories, Molecular and Microbiology, P.O. Box 5800, MS 1413, Albuquerque, NM 87185, USA.

Current Opinion in Biotechnology
|November 4, 2022
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Summary
This summary is machine-generated.

Algal biofuels can be economically viable with improved technologies. High-throughput strain engineering, genome-scale modeling, and microbiome engineering enhance algal productivity and lipid content for sustainable fuel production.

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Area of Science:

  • Biotechnology
  • Renewable Energy
  • Algal Research

Background:

  • Algae show promise as a sustainable biofuel source.
  • Low productivity currently hinders economic feasibility of algal biofuels.

Purpose of the Study:

  • To explore key technologies for enhancing algal biofuel production.
  • To address the productivity limitations in commercializing algal biofuels.

Main Methods:

  • High-throughput strain engineering to improve algal traits.
  • Omics-informed genome-scale modeling for metabolic insights.
  • Microbiome engineering to manage cultivation systems.

Main Results:

  • Strain engineering successfully improved biomass productivity and lipid content.
  • Genome-scale models identified metabolic limitations.
  • Microbiome engineering strategies were developed for outdoor cultivation.

Conclusions:

  • Optimizing algal biomass and lipid content is crucial.
  • These technologies can overcome productivity barriers for algal biofuels.