Nodulation-Dependent Communities of Culturable Bacterial Endophytes from Stems of Field-Grown Soybeans
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概要
- 論文の詳細を見る
Endophytic bacteria (247 isolates) were randomly isolated from surface-sterilized stems of non-nodulated (Nod-), wild-type nodulated (Nod+), and hypernodulated (Nod++) soybeans (Glycine max [L.] Merr) on three agar media (R2A, nutrient agar, and potato dextrose agar). Their diversity was compared on the basis of 16S rRNA gene sequences. The phylogenetic composition depended on the soybean nodulation phenotype, although diversity indexes were not correlated with nodulation phenotype. The most abundant phylum throughout soybean lines tested was Proteobacteria (58-79%). Gammaproteobacteria was the dominant class (21-72%) with a group of Pseudomonas sp. significantly abundant in Nod+ soybeans. A high abundance of Alphaproteobacteria was observed in Nod- soybeans, which was explained by the increase in bacterial isolates of the families Rhizobiaceae and Sphingomonadaceae. A far greater abundance of Firmicutes was observed in Nod- and Nod++ mutant soybeans than in Nod+ soybeans. An impact of culture media on the diversity of isolated endophytic bacteria was also observed: The highest diversity indexes were obtained on the R2A medium, which enabled us to access Alphaproteobacteria and other phyla more frequently. The above results indicated that the extent of nodulation changes the phylogenetic composition of culturable bacterial endophytes in soybean stems.
- 日本微生物生態学会・日本土壌微生物学会の論文
- 2009-09-01
著者
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MINAMISAWA KIWAMU
Graduate School of Life Sciences, Tohoku University
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MITSUI Hisayuki
Graduate School of Life Sciences, Tohoku University
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Kato Takahiko
Department Of Chemistry And Bioscience Faculty Of Science Kagoshima University
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SATO Shusei
Kazusa DNA Research Institute
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KATO Tomohiko
Kazusa DNA Research Institute
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TABATA Satoshi
Kazusa DNA Research Institute
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KURIYAMA Tomoko
RIKEN Plant Science Center
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Tabata Satoshi
Kazusa Dna Res. Inst. Chiba Jpn
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柿本 辰男
Department Of Biology Graduate School Of Science Osaka University
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EDA SHIMA
Graduate School of Life Sciences, Tohoku University
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Kaneko Takakazu
Kazusa Dna Research Institute
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Kaneko Takakazu
Department Of Life Science Faculty Of Agriculture Kagawa University
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Kinoue Tomoyo
Kagoshima Univ. Kagoshima Jpn
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Sato S
Kazusa Dna Res. Inst. Chiba Jpn
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Tabata S
Kazusa Dna Res. Inst. Chiba Jpn
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Eda Shima
Graduate School Of Life Sciences Tohoku University
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Tabata Satoshi
Kazusa Dna Res.
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Kato Tomohiko
Mitsui Plant Biotech. Res. Inst.
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Sato Shusei
Kazusa Dna Institute
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Tanaka K
Kazusa Dna Research Institute
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Tanaka Kan
Laboratory Of Molecular Genetics Department Of Molecular Biology Institute Of Molecular And Cellular
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Tanaka K
Tokyo Metropolitan Inst. Medical Sci. Tokyo
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Kato Takahiko
Lab. Of Molecular Microbiology School Of Agriculture Nagoya Univ.
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OKUBO TAKASHI
Graduate School of Life Sciences, Tohoku University
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IKEDA SEISHI
Graduate School of Life Sciences, Tohoku University
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Hisamatsu M
Graduate School Of Life Sciences Tohoku University
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Mitsui Hisayuki
Graduate School Of Life Sciences Tohoku University
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Shinozaki Satoshi
Research And Development Center Mayekawa Mfg. Co. Ltd.
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Takeda S
Osaka Women's Univ. Osaka Jpn
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Tanaka Kan
Inst. Mol. Cell. Biosci. Univ. Of Tokyo
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Takegawa Kaoru
Department Of Life Science Faculty Of Agriculture Kagawa University
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Kiba T
Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University
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Kiba Takatoshi
Laboratory Of Molecular Microbiology School Of Agriculture Nagoya University
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Ikeda Seishi
Graduate School Of Life Sciences Tohoku University
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Minamisawa K
Graduate School Of Life Sciences Tohoku University
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Ikeda Soichiro
Aspex Division Asahi Glass Co. Ltd.
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Sayama Takashi
National Agricultural Research Center For Hokkaido Region
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Takeda S
Kazusa Dna Research Institute
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Kaneko Takakazu
Kazusa Dna Res. Inst.
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Tabata S
Kazusa Dna Res. Inst. Chiba
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Minamisawa Kiwamu
Graduate School Of Life Sciences Tohoku Univ.
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Sawai Satoru
Department Of Applied Biological Sciences Nihon University
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Okubo Takashi
Graduate School Of Life Sciences Tohoku University
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Tabata Satoshi
Kazusa Dna Institute
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Mitsui Hisayuki
Graduate School Of Life Science Tohoku University
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Minamisawa Kiwamu
Graduate School of Life Science, Tohoku University
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Okubo Takashi
Graduate School of Life Science, Tohoku University
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