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Published (Version of Record)CC BY V4.0, Open Access
Journal article
Discovery of novel plant interaction determinants from the genomes of 163 root nodule bacteria
Scientific Reports, Vol.5
2015
Abstract
Root nodule bacteria (RNB) or "rhizobia" are a type of plant growth promoting bacteria, typified by their ability to fix nitrogen for their plant host, fixing nearly 65% of the nitrogen currently utilized in sustainable agricultural production of legume crops and pastures. In this study, we sequenced the genomes of 110 RNB from diverse hosts and biogeographical regions, and undertook a global exploration of all available RNB genera with the aim of identifying novel genetic determinants of symbiotic association and plant growth promotion. Specifically, we performed a subtractive comparative analysis with non-RNB genomes, employed relevant transcriptomic data, and leveraged phylogenetic distribution patterns and sequence signatures based on known precepts of symbiotic- and host-microbe interactions. A total of 184 protein families were delineated, including known factors for nodulation and nitrogen fixation, and candidates with previously unexplored functions, for which a role in host-interaction, -regulation, biocontrol, and more, could be posited. These analyses expand our knowledge of the RNB purview and provide novel targets for strain improvement in the ultimate quest to enhance plant productivity and agricultural sustainability.
Details
- Title
- Discovery of novel plant interaction determinants from the genomes of 163 root nodule bacteria
- Authors/Creators
- R. Seshadri (Author/Creator) - Joint Genome InstituteW.G. Reeve (Author/Creator) - Murdoch UniversityJ.K. Ardley (Author/Creator) - Murdoch UniversityK. Tennessen (Author/Creator) - Joint Genome InstituteT. Woyke (Author/Creator) - Joint Genome InstituteN.C. Kyrpides (Author/Creator) - King Abdulaziz UniversityN.N. Ivanova (Author/Creator) - Joint Genome Institute
- Publication Details
- Scientific Reports, Vol.5
- Publisher
- Nature Publishing Group
- Identifiers
- 991005543714107891
- Murdoch Affiliation
- Centre for Rhizobium Studies; School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.97 Plant Pathology
- 3.97.892 Rhizobium-Legume Symbiosis
- Web Of Science research areas
- Biochemistry & Molecular Biology
- ESI research areas
- Biology & Biochemistry