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Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology
Published on: November 5, 2014
The voyage of the microbial eukaryote
Alexandra Z Worden1, Andrew E Allen
1Monterey Bay Aquarium Research Institute, 7700 Sandholdt Rd., Moss Landing, CA 95039, USA. azworden@mbari.org
Current Opinion in Microbiology
|September 14, 2010
Summary
Genome sequencing of marine protists reveals insights into evolution and adaptation. This research explores gene function, horizontal gene transfer, and the origins of complex traits in these crucial organisms.
Area of Science:
- Marine biology
- Genomics
- Evolutionary biology
Background:
- Genome data from unicellular marine eukaryotes is limited.
- Emerging genomic data is enabling new research avenues for non-traditional model protists.
- Understanding gene function, evolution, and adaptation in these organisms is crucial.
Purpose of the Study:
- To analyze genomic content trends in unicellular marine eukaryotes.
- To investigate the role of horizontal gene transfer in protist evolution.
- To explore the ecological roles and evolutionary origins of complex traits in protists.
Main Methods:
- Analysis of genomic sequences from various supergroups of unicellular marine eukaryotes.
- Identification of phylogenetically anomalous patterns and potential horizontal gene transfer events.
- Comparative genomics to understand gene function and evolutionary relationships.
Main Results:
- Emerging trends in genomic content and phylogenetically anomalous patterns, including horizontal gene transfer.
- Identification of genes involved in nutrient uptake and metabolism, suggesting shared constraints with bacteria.
- Protists, with small genomes and low gene copy numbers, are valuable for systems biology.
Conclusions:
- Marine protist genomes offer insights into microbial evolution, adaptation, and ecological roles.
- Horizontal gene transfer plays a significant role in shaping protist genomes.
- Protists provide models for understanding the evolution of complex traits like sexuality and multicellularity.
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