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  1. B300 農学部/生命農学研究科
  2. B300a 雑誌掲載論文
  3. 学術雑誌

Comparison of community structures of microbiota at main habitats in rice field ecosystems based on phospholipid fatty acid analysis

http://hdl.handle.net/2237/12083
e4bbb34b-9c89-46e4-90f9-49375d5ea2d0
名前 / ファイル ライセンス アクション
BiolFertilSoils_43_20_2006_Fig3.pdf BiolFertilSoils_43_20_2006_Fig3.pdf (36.1 kB)
BiolFertilSoils_43_20_2006_Fig2.pdf BiolFertilSoils_43_20_2006_Fig2.pdf (146.7 kB)
BiolFertilSoils_43_20_2006.pdf BiolFertilSoils_43_20_2006.pdf (115.4 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-08-25
タイトル
タイトル Comparison of community structures of microbiota at main habitats in rice field ecosystems based on phospholipid fatty acid analysis
著者 Kimura, Makoto

× Kimura, Makoto

WEKO 31097

Kimura, Makoto

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木村, 眞人

× 木村, 眞人

WEKO 31098

木村, 眞人

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Asakawa, Susumu

× Asakawa, Susumu

WEKO 31099

Asakawa, Susumu

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浅川, 晋

× 浅川, 晋

WEKO 31100

浅川, 晋

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キーワード
主題Scheme Other
主題 Community structure
キーワード
主題Scheme Other
主題 Diversity
キーワード
主題Scheme Other
主題 PLFA
キーワード
主題Scheme Other
主題 Rice field ecosystem
抄録
内容記述 The present study compares the community structures of microbiota at different habitats in Japanese rice fields by comparing their phospholipid fatty acid (PLFA) compositions to understand the contribution of different habitats to microbiological diversity. The data were collected from four neighboring rice fields. Comparison was made for the PLFA compositions extracted from the floodwater, percolating water, rice soils under flooded and drained conditions, rice straw (RS) placed in flooded and drained rice soils, RS in the composting process, and RS compost placed in a flooded rice field. Average amounts of PLFAs were 33 μg L−1 in the floodwater, 17.1 μg L−1 in the percolating water from plow layers, 34.6 μg L−1 in the percolating water from subsoil layers, 108 μg g−1 dry weight basis (dw) in flooded rice soils, 382 μg g−1 dw in RS materials, 2,510 μg g−1 dw in RS composts, 2,850 μg g−1 dw in RS composts after application to a flooded rice soil, 222 μg g−1 wet weight basis (ww) in RS in drained rice soils, and 284 μg g−1 ww in RS in flooded rice soils. The total amount of PLFAs to the soil depth of 10 cm was estimated to be about 12 g m−2. The PLFA compositions were different from each other depending on the habitats. Rice soils were characterized by the predominance of actinomycetes and Gram-positive bacteria in comparison with the other habitats. In contrast, the microbial communities in the floodwater and percolating water were characterized by the predominance of Gram-negative bacteria and eukaryotes (presumably algae), and Gram-negative bacteria, respectively. The microbial community of RS materials was dominated by fungi. Gram-positive bacteria became predominant in RS after application to flooded rice soils, while RS placed in a drained rice field after harvesting rice was characterized by the predominance of Gram-negative bacteria and fungi. The community structures at respective habitats were stable and specific, irrespective of the season of sampling and the duration of decomposition of RS.
内容記述タイプ Abstract
出版者
出版者 Springer
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0178-2762
書誌情報 Biology and Fertility of Soils

巻 43, 号 1, p. 20-29, 発行日 2006-10
フォーマット
application/pdf
フォーマット
application/pdf
フォーマット
application/pdf
著者版フラグ
値 author
URI
識別子 http://hdl.handle.net/2237/12083
識別子タイプ HDL
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