Archaea
Archaea (Archaebacteria)
Taxonomy, description, and extensive references, with particular emphasis on the Crenarchaeota (classified here as a Kingdom.)
ArchaeaWeb
Links to popular press and journal articles, research news, and other sources of information about Archaea and extremophiles. Includes user comments.
ARCHAIC (ARCHAebacterial Information Collection)
Genome sequences of three Euryarchaeota species, Pyrococcus sp. OT3, Thermoplasma volcanium GSS1, and Archaeoglobus fulgidus, and related papers by the research group.
Distribution of Archaea in a Black Smoker Chimney Structure
Analysis of different communities in varied microhabitats of a deep-sea vent. Journal article from Applied and Environmental Microbiology
Domain Archaea
Basic phylogeny, gene organization, and methods of DNA replication and transcription.
Domain Archaea
Minimalist introduction to the three main groups: extreme halophiles, methanogens, and hyperthermophiles.
Halobacteria
Detailed discussion of the molecules involved in their cytoplasmic and photosynthetic membrane lipids, structural glycoproteins, ionic relationships, and photosynthetic cycle.
Horikoshi Superbugs
Summary of interesting organisms discovered during a search for extremophiles, including a picture of the triangular halophile Haloarcula japonicus.
Introduction to the Archaea
Covers their main groupings, chemical differences from other life forms, fossil record, and the structure of their cell walls.
Joint Genome Institute: Why Sequence Crenarchaeota?
Brief discussion of the importance of these deep-sea plankton, and of the benefits to be gained by understanding their genome.
Journal of Biological Chemistry: Extreme Halophiles Synthesize Betaine from Glycine by Methylation
Research on the methyltransferase enzymes involved in synthesis of glycine betaine in Actinopolyspora halophila and Ectothiorhodospira halochloris. Transfer of the relevant genes i…
Life in Extreme Environments
Links to information about thermophiles, halophiles, and other extremophiles both inside and outside of the domain Archaea.
Microbe from Depths Takes Life to Hottest Known Limit
A newly discovered organism thrives near deep-sea ocean vents at temperatures up to 121C, living off dissolved iron. Images, video, and links to related research. Press release fro…
Microbial Wonders Of The Deep - Halophiles
Discusses the unique lipid composition of their cell walls, bacteriorhodopsin photosynthesis, and the use of high concentrations of potassium to combat sodium osmosis.
Taxonomy Browser (Archaea)
Shows the relationships among the reconginzed groups, and samples yet to be named or classified.
The Archaea
General introduction, mentioning most known genera and species of Euryarchaeota and Crenarchaeota. Includes some technical details such as toxin sensitivities.
The Limits to Life Under Dual Extremes of Temperature and Salinity
Abstract of conference speech on Halothermothrix orenii by Dr. Bharat Patel.
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