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Nanobiology

Nature Science Update, May 2, 2002
Nanosized, hyperthermophilic Archaeon discovered under the sea off Iceland
John Whitfield reports on the discovery of a new phylum of Archaea, the third domain of life. The organism Nanoarchaeum equitans was obtained from a submarine hot vent where it grows attached to the surface of another Archaeon, a previously unknown member of the genus Ignicoccus. For further details see:

A new phylum of Archaea represented by a nanosized hyperthermophilic symbiont: HARALD HUBER, MICHAEL J. HOHN, REINHARD RACHEL, TANJA FUCHS, VERENA C. WIMMER & KARL O. STETTER. Nature (Letters) 417, 63 - 67 (2002)

Something new under the sea: YAN BOUCHER AND W. FORD DOOLITTLE. Nature (News and Views) 417, 27 - 28 (2002)

naturalSCIENCE Cover Story, November 29, 2000
Nanobacteria: not a life-form?
John Cisar and colleagues present evidence suggesting that "nanobacteria," which are associated with kidney stones and other products of biomineralization, are initiated by nonliving macromolecules and are reproduced by self-propagating microcrystalline apatite

naturalSCIENCE Book review, May 23, 2000
Book review: Dark Life
Edward E. Ishiguro reviews Michael Taylor's book on "Martian nanobacteria, rock-eating cave bugs, and other organisms from extreme environments of inner earth and outer space

The National Academies, October 28, 1999
Size limits of very small microorganisms
Proceedings of a US National Research Council workshop

University of Texas at Austin, April 22, 1999
Nannobacteria research page
From the University of Texas Department of Geological Sciences, a brief review of the story about nannobacteria (or nanobacteria) plus a photo gallery

University of Queensland, March 20, 1999
Novel nano-organisms from Australian sandstones
Philippa Uwins and others at the University of Queensland report in the American Mineralogist on the discovery of reproductive cellular structures similar in morphology to Actinomycetes and fungi, but only one-tenth the diameter (20 nm to 1.0 micrometer). Obtained from Jurassic and Triassic sandstones from offshore petroleum exploration wells, the structures are referred to by their discoverers as "nanobes," rather than nanobacteria, as their phylogeny has yet to be determined. The full text of the article in pdf format is available from the Microscopy-UK Web site. Links to other articles about nano-organisms are included in Dr. Uwins' Web page

naturalSCIENCE Letter, December 4, 1998
Letter from Dave LaChance: Nannobacteria, a novel life form?

ScienceNewsOnline, August 1, 1998
Nanobacteria and kidney stones
John Travis reviews the work of E. Olavi Kajander and others at the University of Kuoppio, Finland on the role of nanobacteria in the formation of kidney stones. Other links to Dr. Kajander's research on nanobacteria

naturalSCIENCE Letter, August 1, 1997
Letter from Bob Clark: Why is it so hard to tell what they are?

naturalSCIENCE Letter, August 1, 1997
Letter from Frank Volke: Size limit for cells

naturalSCIENCE Review, June 6, 1997
Nannobacteria: what is the evidence
Ralph L. Harvey reviews Robert Folk's naturalSCIENCE article

naturalSCIENCE, March 4, 1997
Nannobacteria: Surely Not Figments, But What Under Heaven Are They
According to Robert L. Folk, nannobacteria are very small living creatures in the 0.05 to 0.2 micrometer range. In this review by their discoverer, it is conjectured that nannobacteria run most of the earth’s surface chemistry and form most of the world’s biomass. Nevertheless, they remain "biota incognita" to the biological world as their genetic relationships, metabolism and other characteristics remain to be investigated

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