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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...
111
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

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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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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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Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Trait drift in microalgae and applications for strain improvement.

Ahlem Jebali1, Monica R Sanchez2, Erik R Hanschen2

  • 1New Mexico Consortium, 4200 W. Jemez Road, Los Alamos, NM 87544, USA.

Biotechnology Advances
|September 11, 2022
PubMed
Summary
This summary is machine-generated.

Microalgae cultivation faces challenges due to trait drift and evolution, impacting industrial production. Understanding and managing these evolutionary processes is key to improving microalgal strains for commercial applications.

Keywords:
EvolutionPhenotypic plasticitySelection pressureTimescaleTrade-offs

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Area of Science:

  • Biotechnology
  • Evolutionary Biology
  • Phycology

Background:

  • Microalgae are a sustainable source for commercial products.
  • Industrial microalgal biomass production lags behind other biomanufacturing platforms.
  • Bench-scale successes often fail to translate to large-scale production due to environmental pressures.

Purpose of the Study:

  • To review the current understanding of trait drift and evolution in microalgae.
  • To explore how microalgae respond to various cultivation conditions.
  • To examine techniques for strain improvement using phenotypic plasticity and evolution for industrial applications.

Main Methods:

  • Literature review of trait drift and evolution in microalgae.
  • Analysis of phenotypic plasticity in response to environmental drivers.
  • Evaluation of strain improvement techniques for industrial microalgal cultivation.

Main Results:

  • Trait drift and evolution are significant challenges in microalgal cultivation.
  • Environmental factors like cultivation regimes and pests drive microalgal evolution.
  • Phenotypic plasticity and evolutionary strategies can be exploited for strain improvement.

Conclusions:

  • Managing trait drift and evolution is crucial for successful industrial microalgal production.
  • Further research is needed to overcome unwanted evolutionary changes.
  • Recommendations are provided for future research directions in microalgal strain development.