| Directory > Science > Biology > Flora and Fauna > Monera > Archaea Horikoshi Superbugs
Summary of interesting organisms discovered during a search for extremophiles, including a picture
of the triangular halophile Haloarcula japonicus.
http://www.jst.go.jp/erato/project/htkb_P/htkb_P.html
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Domain Archaea (Archeobacteria)
Brief overview of the group.
http://www.bioproject.info/PARTICULAR_BIOLOGY/Superkingdom_Prokaryotae/Kingdom_Monera_Bacteria/....
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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.
http://www.aist.go.jp/RIODB/archaic/
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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
increased salt tolerance in E. coli.
http://www.jbc.org/cgi/content/full/275/29/22196
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Halobacteria
Detailed discussion of the molecules involved in their cytoplasmic and photosynthetic membrane
lipids, structural glycoproteins, ionic relationships, and photosynthetic cycle.
http://www.science.siu.edu/microbiology/micr425/425Notes/09-Halobact.html
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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.
http://www.thesecondlayer.com/marine/halophiles.html
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The Scientist: Hot-Vent Microbes: Looking Backward In Evolution For Future Uses
Summary of research into the scientific uses of thermophiles and their heat-tolerant enzymes, such
as PCR (polymerase chain reactions), toxic waste cleanup, and biomedical processes. [Free
registration required]
http://www.the-scientist.com/yr1994/may/hotvent_940530.html
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Archaea (Archaebacteria)
Taxonomy, description, and extensive references, with particular emphasis on the Crenarchaeota
(classified here as a Kingdom.)
http://tolweb.org/tree?group=Archaea&contgroup=Life
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Life in Extreme Environments
Links to information about thermophiles, halophiles, and other extremophiles both inside and
outside of the domain Archaea.
http://www.astrobiology.com/extreme.html
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Domain Archaea
Basic phylogeny, gene organization, and methods of DNA replication and transcription.
http://trishul.sci.gu.edu.au/~bharat/courses/ss13bmm/archaea.html
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Archaea
Microbiological journal devoted to original research on the Archaea. Author guide, publication
schedule, and text of older articles.
http://www.archaea.ws/
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Taxonomy Browser (Archaea)
Shows the relationships among the reconginzed groups, and samples yet to be named or classified.
http://www3.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?name=Archaea
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ArchaeaWeb
Links to popular press and journal articles, research news, and other sources of information about
Archaea and extremophiles. Includes user comments.
http://www.archaea.unsw.edu.au/
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Scientific American: The Search for Extreme Life
At NASA's Astrobiology Institute, researchers are using extremophiles on Earth as models for the
most likely forms of extraterrestrial life.
http://www.sciam.com/article.cfm?articleID=00072444-3A0B-1C74-9B81809EC588EF21
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Archaea: Links
Articles, sites, and sequenced genomes. Collected by Nikos Kyrpides.
http://igweb.integratedgenomics.com/Bioinformatics/Nikos/archaealinks.html
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Introduction to the Archaea
Covers their main groupings, chemical differences from other life forms, fossil record, and the
structure of their cell walls.
http://www.ucmp.berkeley.edu/archaea/archaea.html
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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 from the National
Science Foundation.
http://www.nsf.gov/od/lpa/news/03/pr0384.htm
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