ArticleBMC genomics2008
The genome of the versatile nitrogen fixer Azorhizobium caulinodans ORS571.
Article in BMC genomics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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Who cites it
47 citing papers in PubMed.
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- Development of modular expression across phylogenetically distinct diazotrophs.Journal of industrial microbiology & biotechnology · 2024Article
- Comparative genome analysis ofMicrobial genomics · 2023Article
- Systematic Analysis of Lysine Acetylation Reveals Diverse Functions in Azorhizobium caulinodans Strain ORS571.Microbiology spectrum · 2023Article
- The changing paradigm of rhizobial taxonomy and its systematic growth upto postgenomic technologies.World journal of microbiology & biotechnology · 2022Review
- Engineered plant control of associative nitrogen fixation.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Microevolution, speciation and macroevolution in rhizobia: Genomic mechanisms and selective patterns.Frontiers in plant science · 2022Review
- The effect ofFrontiers in plant science · 2022Article
- A Perspective on Developing a Plant 'Holobiont' for Future Saline Agriculture.Frontiers in microbiology · 2022Review
- Response of Plant-Associated Microbiome to Plant Root Colonization by Exogenous Bacterial Endophyte in Perennial Crops.Frontiers in microbiology · 2022Article
- Pangenomics of the Symbiotic Rhizobiales. Core and Accessory Functions Across a Group Endowed with High Levels of Genomic Plasticity.Microorganisms · 2021Article
- The FtcR-Like Protein ActR inFrontiers in microbiology · 2021Article
- Rhizobial Chemotaxis and Motility Systems at Work in the Soil.Frontiers in plant science · 2021Review
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- Identification of Cbp1, a c-di-GMP Binding Chemoreceptor inFrontiers in microbiology · 2019Article
- AApplied and environmental microbiology · 2018Article
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- A Rhizobiales-Specific Unipolar Polysaccharide Adhesin Contributes to Rhodopseudomonas palustris Biofilm Formation across Diverse Photoheterotrophic Conditions.Applied and environmental microbiology · 2017Article
Corrections and comments
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Authors and funding
21 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBiological nitrogen fixation is a prokaryotic process that plays an essential role in the global nitrogen cycle. Azorhizobium caulinodans ORS571 has the dual capacity to fix nitrogen both as free-living organism and in a symbiotic interaction with Sesbania rostrata. The host is a fast-growing, submergence-tolerant tropical legume on which A. caulinodans can efficiently induce nodule formation on the root system and on adventitious rootlets located on the stem.
resultsThe 5.37-Mb genome consists of a single circular chromosome with an overall average GC of 67% and numerous islands with varying GC contents. Most nodulation functions as well as a putative type-IV secretion system are found in a distinct symbiosis region. The genome contains a plethora of regulatory and transporter genes and many functions possibly involved in contacting a host. It potentially encodes 4717 proteins of which 96.3% have homologs and 3.7% are unique for A. caulinodans. Phylogenetic analyses show that the diazotroph Xanthobacter autotrophicus is the closest relative among the sequenced genomes, but the synteny between both genomes is very poor.
conclusionThe genome analysis reveals that A. caulinodans is a diazotroph that acquired the capacity to nodulate most probably through horizontal gene transfer of a complex symbiosis island. The genome contains numerous genes that reflect a strong adaptive and metabolic potential. These combined features and the availability of the annotated genome make A. caulinodans an attractive organism to explore symbiotic biological nitrogen fixation beyond leguminous plants.
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