2005 Fiscal Year Final Research Report Summary
Phylogenetic and comparative genomic analyses of phytopathogenic bacteria
| Project/Area Number |
16580032
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Plant pathology
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| Research Institution | National Institute for Agro-Environmental Sciences |
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Principal Investigator |
SAWADA Hiroyuki National Institute for Agro-Environmental Sciences, Department of Research Planning and Coordination, Senior Researcher (40354055)
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| Co-Investigator(Kenkyū-buntansha) |
TSUCHIYA Kenichi National Agricultural Research Center for Western Region, Department of Regional Crops Science, Director (40150510)
YOSHIDA Takanobu National Institute for Agro-Environmental Sciences, Department of Biological Safety, Senior Researcher (40355334)
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| Project Period (FY) |
2004 – 2005
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| Keywords | Agrobacterium / Rhizobium / Molecular Evolution / Phylogenetic Tree / Environmental Microbes / Genetic Diversity |
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| Research Abstract |
To elucidate the actual state of diversity of bacterial species belonging to the family Rhizobiaceae, including Agrobacterium and Rhizobium species, phylogenetic analysis was conducted for a total of 69 strains of bacterial species belonging to or closely related to the family Rhizobiaceae using dnaK, eno, pyrG, recA, and rpoD as markers. Specifically, the optimum evolutionary model and parameters were searched by conducting a likelihood ratio test, and phylogenetic trees were constructed using the distance method, parsimony, maximum likelihood, and Bayesian analysis, respectively, based on the selected optimum condition (GTR + G + I). Then, an intercomparison of these phylogenetic trees was performed for evaluating their reliability by conducting likelihood-based statistical tests, which led to a conclusion that the phylogenetic tree constructed based on the Bayesian analysis was most reliable. In this Bayesian tree, the members of the genera Agrobacterium and Rhizobium formed one extremely monophyletic cluster together with Sinorhizobium and other species belonging to the family Rhizobiaceae, Blastobacter species, and pesticide-degrading bacteria. Within this cluster, no tendency was observed that the species were grouped for each genus which they belong to. Thus, the bacterial species constituting the family Rhizobiaceae were shown to be extremely closely related to one another, which therefore suggests that subclassification of these species into multiple genera within this family is inappropr
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Research Products
(38 results)
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[Journal Article] Catalog of Micro-Tom tomato responses to common fungal, bacterial and viral pathogens.2005
Author(s)
Takahashi, H., A.Shimizu, T.Arie, S.Rosmalawati, S.Fukushima, M.Kikuchi, Y.Hikichi, A.Kanda, A.Takahashi, A.Kiba, K.Ohnishi, Y.Ichinose, F.Taguchi, C.Yasuda, M.Kodama, M.Egusa, C.Masuta, H.Sawada, D.Shibata, K.Hori, Y.Watanabe
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Journal Title
Journal of General Plant Pathology 71
Pages: 8-22
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Rhizobacteria promote the plant growth and tolerance to heavy metal nickel.2005
Author(s)
Someya, N., Y.Sato, Y.Ichiman, K.Akutsu, H.Sawada, K.Tsuchiya, I.Yamaguchi, H.Hamamoto
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Journal Title
Proceedings of the International Biomicrocosmos Workshop -for the Enhancement of Rhizosphere Research-. (1-2 February 2005 at Hokkaido University, Sapporo, Hokkaido, Japan)
Pages: 22
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Plant growth-promoting rhizobacteria induce systemic disease resistance in plants.2005
Author(s)
Someya, N., Y.Ichiman, K.Akutsu, H.Sawada, K.Tsuchiya, I.Yamaguchi, H.Hamamoto
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Journal Title
Proceedings of the International Biomicrocosmos Workshop -for the Enhancement of Rhizosphere Research-. (1-2 February 2005 at Hokkaido University, Sapporo, Hokkaido, Japan)
Pages: 23
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Phylogeny and taxonomy of bacterial nitrogen-fixing legume symbionts.2005
Author(s)
Sawada, H., T.Uchiumi, M.Abe, M.Hayatsu, Y.Ichiman, K.Akutsu, T.Yoshida, K.Tsuchiya
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Journal Title
Genetic and Functional Diversity of Agricultural Microorganisms. (J.Kurisaki, H.Kaku, T.Sato, T.Aoki, T.Nagai eds.) (National Institute of Agrobiological Sciences).
Pages: 100-101
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] PCR-based genomovar identification and characterization of Burkholderia cepacia complex strains isolated from diverse origins.2005
Author(s)
Tsuchiya, K., S.Seo, C.Fujitani, H.Sawada, T.Yoshida, M.Takahashi
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Journal Title
Genetic and Functional Diversity of Agricultural Microorganisms. (J.Kurisaki, H.Kaku, T.Sato, T.Aoki, T.Nagai eds.) (National Institute of Agrobiological Sciences).
Pages: 90-91
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Genus I. Rhizobium.2005
Author(s)
L.David Kuykendall, John M.Young, Esperanza Martinez-Romero, Allen Kerr, Hiroyuki Sawada
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Journal Title
Bergey's Manual of Systematic Bacteriology, Second Edition, Volume Two, Part C. (Don J.Brenner, Noel R.Krieg, James T.Staley eds.)(Springer, USA).
Pages: 325-340
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] A novel symbiotic nitrogen-fixing member of the Ochrobactrum Glade isolated from root nodules of Acacia mangium.2004
Author(s)
Ngom, A., Y.Nakagawa, H.Sawada, J.Tsukahara, S.Wakabayashi, T.Uchiumi, A.Nuntagij, S.Kotepong, A.Suzuki, S.Higashi, M.Abe
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Journal Title
Journal of General and Applied Microbiology 50
Pages: 17-27
Description
「研究成果報告書概要(欧文)」より
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