Taxonomic composition of denitrifying bacterial isolates is different among three rice paddy field soils in Japan(Soil biology)
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概要
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Denitrification is one of the important nitrogen transformation processes in rice (Oryza saliva L.) paddy soil. We have performed both culture-dependent and -independent studies to investigate the key players in denitrification in rice paddy soil. Our previous works suggested the possibility that community composition of denitrifying populations is different among soils. To confirm this possibility, in the present study, denitrifying bacteria were isolated from rice paddy field soils (Kumamoto and Tokyo) in Japan by the functional single-cell isolation method, and examined for their taxonomic position. Combined with our previously isolated strains from Niigata paddy field soil, our results clearly indicated that the taxonomic composition of the denitrifying bacterial community is different at the genus level among three soils. A significant difference in mean potential denitrification activity of the isolates at the genus level was also found. Soil and/or other environmental factors could shape the community structure of denitrifiers in rice paddy soil.
- 一般社団法人日本土壌肥料学会の論文
著者
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Isobe Kazuo
Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences The Uni
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Senoo Keishi
Department Of Agricultual Chemistry The University Of Tokyo
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Otsuka Shigeto
Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences The Uni
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Nishizawa Tomoyasu
Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences The Uni
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Isobe Kazuo
Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo
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UEI Yusuke
Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo
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TAGO Kanako
Environmental Biofunction Division, National Institute for Agro-Environmental Sciences
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