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Microbial Communities in Rice Paddy Soils Following Cultivation of Genetically Modified Leaf Folder-resistant Rice Plants  

Kwon, Jang-Sik (National Academy of Agricultural Science, RDA)
Noh, Hyung-Jun (National Institute of Horticultural and Herbal Science, RDA)
Suh, Jang-Sun (National Academy of Agricultural Science, RDA)
Shin, Kong-Sik (National Academy of Agricultural Science, RDA)
Kweon, Soon-Jong (National Academy of Agricultural Science, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.43, no.2, 2010 , pp. 180-187 More about this Journal
Abstract
The study was performed to investigate the property of rhizosphere microorganisms, and community structure during GMO, and Non-GMO rice cultivation. In the dilution plate technique, there were no significant differences in microbial populations of rhizosplane with genetically modified, and non-genetically modified rice cultivation, and rhizosphere were also the same results. Dominant bacterial genera were Afipia 12.5%, Spingomonas 10.0%, Ramlibacter 10.0%, Mycobacterium 7.5%, and Tetrasphaera 7.5% in rhizosphere soil of genetically modified rice plant, while Afipia 7.3%, Spingomonas 12.2%, Ramlibacter 7.3%, Mycobacterium 17.1%, Tetrasphaera 14.6% in non-genetically modified cultivated at Suwon test fields in 2006. Majorgenera isolated from root surface cultivated in Yesan fields were Arthrobacter 12.7% in rhizoplane of genetically modified plant, and Burkholderia 22.2% of non-genetically modified plant in 2007, Paucimonas 26.6% of genetically modified plant, Chryseobacterium 15.4% of non-genetically modified plant in 2008. Also the microbial communities in rhizosphere soils of genetically modified, and non-genetically modified plants were characterized using phospholipid fatty acid, and denaturing gradient gel electrophoresis. The phospholipid fatty acid profiles of soils in this condition showed different pattern, but did not show significant differences between soils cultivated with genetically or non-genetically modified rice plants.
Keywords
Soil; Microorganism; GM plant; Leaf folder-resistant;
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