Beyond pure chemistry, they know tricks with electrons that would make any Silicon Valley chip designer blush with pride. And yet their size and association with human food good and diseases bad has for more than a century obscured their essential place in making the Earth a habitable planet for humans.
- Extreme environments: microbiology leading to specialized metabolites.?
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One of the most interesting facets of this book is that we are shown those chemists at work in one of their most important habitats. Soils comprise both a pervasive environment on our planet and one of the most important even most fruitful! It is hoped that the reader will find the volume to fulfill their expectations in regard to a topic as thrilling as microbiology of extreme soils.
Soil Biology Free Preview. My auxiliaries are the dews and rains which water this dry soil, and what fertility is in the soil itself, which for the most part is lean and effete.
Modern Soil Microbiology, Third Edition - CRC Press Book
Yet we live in a time when an appreciation of the differences and simila- ties among soils or regolith: no organics detected on Mars, as yet! Beyond pure chemistry, they know tricks with electrons that would make any Silicon Valley chip designer blush with pride. And yet their size and association with human food good and diseases bad has for more than a century obscured their essential place in making the Earth a habitable planet for humans.
This bacterium can also survive cold, dehydration, vacuum and acid and is thus known as a polyextremophile. The extreme thermophilic bacterium Thermus thermophilus and other related Thermus species are also capable of genetic transformation. Halobacterium volcanii , an extreme halophilic saline tolerant archaeon, is capable of natural genetic transformation.
Cytoplasmic bridges are formed between cells that appear to be used for DNA transfer from one cell to another in either direction. Sulfolobus solfataricus and Sulfolobus acidocaldarius are hyperthermophilic archaea. Exposure of these organisms to the DNA damaging agents UV irradiation, bleomycin or mitomycin C induces species-specific cellular aggregation. Frols et al. Van Wolferen et al. It has also been suggested that DNA transfer in Sulfolobus may be an early form of sexual interaction similar to the more well-studied bacterial transformation systems that involve species-specific DNA transfer leading to homologous recombinational repair of DNA damage  and see Transformation genetics.
Extracellular membrane vesicles MVs might be involved in DNA transfer between different hyperthermophilic archaeal species.
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Notably, a horizontal plasmid transfer has been documented between hyperthermophilic Thermococcus and Methanocaldococcus species, respectively belonging to the orders Thermococcales and Methanococcales. From Wikipedia, the free encyclopedia. See also: Earliest known life forms. Organisms capable of living in extreme environments. Main article: Extremophiles in Biotechnology. Bibcode : Sust Bibcode : Natur. June Retrieved 14 July Retrieved 24 August The New York Times.
Retrieved 6 February Retrieved 17 March Nature Geoscience.
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Bibcode : NatGe Archived from the original PDF on 22 December Retrieved 12 October International Journal of Systematic Bacteriology. Annals of Microbiology. In Lederberg J ed. Encyclopedia of Microbiology. San Diego: Academic Press.
BBC News. Retrieved 10 July Bibcode : Sci Symbiotic Associations, Biotechnology, Applied Microbiology.
- Marine Palaeoenvironmental Analysis from Fossils (Geological Society Special Publications).
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- Modern Soil Microbiology, Third Edition.
The Prokaryotes. The life and death of planet Earth. New York: Owl Books. Retrieved 12 September National Geographic- Daily News. National Geographic Society.
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