ArticleApplied and environmental microbiology2009
Rhizobium sp. strain NGR234 possesses a remarkable number of secretion systems.
Article in Applied and environmental microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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74 citing papers in PubMed, 155 citations in OpenAlex.
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- Molecular Mechanism of Chloramphenicol and Thiamphenicol Resistance Mediated by a Novel Oxidase, CmO, inApplied and environmental microbiology · 2023Article
- Bridging the Gap: Type III Secretion Systems in Plant-Beneficial Bacteria.Microorganisms · 2022Article
- RpuS/R Is a Novel Two-Component Signal Transduction System That Regulates the Expression of the Pyruvate Symporter MctP inFrontiers in microbiology · 2022Article
- Pangenomics of the Symbiotic Rhizobiales. Core and Accessory Functions Across a Group Endowed with High Levels of Genomic Plasticity.Microorganisms · 2021Article
- Fine-Scale Patterns of Genetic Structure in the Host PlantPlants (Basel, Switzerland) · 2020Article
- Plasmids Related to the Symbiotic Nitrogen Fixation Are Not Only Cooperated Functionally but Also May Have Evolved over a Time Span in Family Rhizobiaceae.Genome biology and evolution · 2020Article
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- Phylogenetic distribution and evolutionary dynamics ofMicrobial genomics · 2020Article
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- Deciphering the Symbiotic Significance of Quorum Sensing Systems ofMicroorganisms · 2020Article
- The Role of Secretion Systems, Effectors, and Secondary Metabolites of Beneficial Rhizobacteria in Interactions With Plants and Microbes.Frontiers in plant science · 2020Review
- The genome of Ensifer alkalisoli YIC4027 provides insights for host specificity and environmental adaptations.BMC genomics · 2019Article
- Deletion of rRNA Operons ofFrontiers in microbiology · 2019Article
- High-Throughput Mass Spectrometric Analysis of the Whole Proteome and Secretome FromFrontiers in microbiology · 2019Article
- Coordinated regulation of core and accessory genes in the multipartite genome of Sinorhizobium fredii.PLoS genetics · 2018Article
- Rhizobia: from saprophytes to endosymbionts.Nature reviews. Microbiology · 2018Review
14 more citing papers are in PubMed but not listed here.
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Authors and funding
18 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rhizobium sp. strain NGR234 is a unique alphaproteobacterium (order Rhizobiales) that forms nitrogen-fixing nodules with more legumes than any other microsymbiont. We report here that the 3.93-Mbp chromosome (cNGR234) encodes most functions required for cellular growth. Few essential functions are encoded on the 2.43-Mbp megaplasmid (pNGR234b), and none are present on the second 0.54-Mbp symbiotic plasmid (pNGR234a). Among many striking features, the 6.9-Mbp genome encodes more different secretion systems than any other known rhizobia and probably most known bacteria. Altogether, 132 genes and proteins are linked to secretory processes. Secretion systems identified include general and export pathways, a twin arginine translocase secretion system, six type I transporter genes, one functional and one putative type III system, three type IV attachment systems, and two putative type IV conjugation pili. Type V and VI transporters were not identified, however. NGR234 also carries genes and regulatory networks linked to the metabolism of a wide range of aromatic and nonaromatic compounds. In this way, NGR234 can quickly adapt to changing environmental stimuli in soils, rhizospheres, and plants. Finally, NGR234 carries at least six loci linked to the quenching of quorum-sensing signals, as well as one gene (ngrI) that possibly encodes a novel type of autoinducer I molecule.
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