The evolution of light stress proteins in photosynthetic organisms
2002
Evolution of Light Stress Proteins in Photosynthetic Organisms
publication
Evidence: moderate
Author Information
Author(s): Mounia Heddad, Iwona Adamska
Primary Institution: Stockholm University
Hypothesis
How did the Elip family of light stress proteins evolve in photosynthetic organisms?
Conclusion
The study suggests that the Elip family of proteins evolved from prokaryotic ancestors through a series of duplications and fusions.
Supporting Evidence
- The Elip family consists of over 100 different stress proteins that help plants and algae cope with light stress.
- Members of the Elip family are closely related to light-harvesting proteins in higher plants and some algae.
- Elip proteins are believed to have evolved from prokaryotic ancestors through duplications and fusions.
Takeaway
This study looks at how certain proteins in plants and algae help them deal with too much light, showing that these proteins have changed over time.
Methodology
The authors performed BLAST searches in various databases to analyze the occurrence of Elip family members in different organisms.
Limitations
The study may not account for all potential Elip family members in nuclear genomes of algae.
Digital Object Identifier (DOI)
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