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Related Concept Videos

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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Light as Energy01:35

Light as Energy

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The energy required to carry out photosynthesis is light— typically electromagnetic radiation from the sun. The range of all possible wavelengths is known as the electromagnetic spectrum.
Photons
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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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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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Protein Complex Assembly02:41

Protein Complex Assembly

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Updated: Jan 24, 2026

In Vitro Reconstitution of Light-harvesting Complexes of Plants and Green Algae
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Light harvesting complexes in chlorophyll c-containing algae.

Claudia Büchel1

  • 1Institute of Molecular Biosciences, Goethe University Frankfurt, Max-von-Laue Straße 9, 60438 Frankfurt, Germany.

Biochimica Et Biophysica Acta. Bioenergetics
|June 3, 2019
PubMed
Summary

Algae utilize light-harvesting complex (Lhc) proteins, distinct from plants, often lacking chlorophyll b but containing chlorophyll c and diverse carotenoids for energy capture and photoprotection.

Keywords:
DiatomsLhcfLhcrLhcxRed antenna

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Area of Science:

  • Photosynthesis research
  • Algal biology
  • Biochemistry

Background:

  • Eukaryotic photosynthetic organisms include vascular plants and diverse algae like Cryptophytes, Haptophytes, Dinophytes, Chromeridae, and Heterokonts.
  • Algae utilize membrane-intrinsic light-harvesting proteins (Lhc) for photosynthesis, differing in pigment composition from vascular plants.

Purpose of the Study:

  • To review current knowledge on light-harvesting complex (Lhc) systems in chlorophyll c-containing organisms.
  • To summarize molecular structure, complex arrangement, energy transfer, and photoprotection roles of Lhc systems in these algae.

Main Methods:

  • Literature review of recent advancements in Lhc research in algae.
  • Analysis of molecular structures, pigment compositions, and energy transfer mechanisms.

Main Results:

  • Chlorophyll c-containing organisms possess diverse Lhc systems, often lacking chlorophyll b.
  • Significant progress has been made in understanding Lhc structure and function in diatoms (fucoxanthin chlorophyll proteins - FCP).
  • Energy transfer dynamics and photoprotective roles of Lhc systems in various algal groups have been intensively studied.

Conclusions:

  • Lhc systems in chlorophyll c-containing algae exhibit unique pigment compositions and structures.
  • These Lhc systems are crucial for efficient light harvesting and photoprotection in diverse algal lineages.
  • Further research, particularly on molecular structures and energy transfer, continues to advance our understanding of algal photosynthesis.