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Raoultella planticola
''Raoultella planticola'' is a Gram-negative bacterium of the genus ''Raoultella''.〔〔(Raoultella planticola ). Zipcodezoo.com (2009-04-06). Retrieved on 2011-10-21.〕〔(Data Use Agreement - GBIF Portal ). Data.gbif.org (2007-02-22). Retrieved on 2011-10-21.〕〔(Data Use Agreement - GBIF Portal ). Data.gbif.org (2007-02-22). Retrieved on 2011-10-21.〕〔(Namebank Record Detail ). Ubio.org (2005-09-22). Retrieved on 2011-10-21.〕〔(NLBIF : Raoultella planticola (Bagley et al. 1982) Drancourt et al. 2001 ). Nlbif.nl. Retrieved on 2011-10-21.〕〔(Raoultella planticola - Encyclopedia of Life ). EOL. Retrieved on 2011-10-21.〕 A number of strains have been identified.〔(Raoultella planticola (Klebsiella planticola) ). Uniprot.org. Retrieved on 2011-10-21.〕〔(Raoultella planticola Taxon Passport ). StrainInfo. Retrieved on 2011-10-21.〕 ''R. planticola'' has been determined to have complicated at least one case of severe pancreatitis.
The development of a genetically modified version of this bacterium that produces alcohol has been a source of controversy.〔http://www.gmwatch.org/latest-listing/1-news-items/8951-full-story-of-the-dr-elaine-ingham-controversy-over-klebsiella-p〕 Some people believe the alcohol-producing strain has the potential to kill many or all terrestrial plant species and this is sometimes cited as an example of the dangers of genetically modified organisms.
==Genetic modification==
In the early 1990s a biotech company set out to solve a problem: how to destroy crop residue safely. Some crops' residues harbor plant pathogens. Burning is occasionally used to destroy the residue and pathogens, but this is a fire hazard and can be dangerous for the environment. This company realized that, because ''R. planticola'' is an aggressive and abundant soil bacteria, it could be genetically modified to destroy crop residue and also create ethanol.
Testing of this process, however, was limited to sterile soil. An independent group, testing in non-sterile (ordinary) soil, found that the modified bacteria caused mass plant death from the ethanol production. As a result, some speculated that without independent test, the bacteria could have spread to contaminate the biosphere where it would cause worldwide plant death.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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