ArticleMolecular & general genetics : MGG1994
Molecular and genetic characterization of the rhizopine catabolism (mocABRC) genes of Rhizobium meliloti L5-30.
Article in Molecular & general genetics : MGG, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed, 75 citations in OpenAlex.
- Scripting a new dialogue between diazotrophs and crops.Trends in microbiology · 2024Review
- Rhizopine biosensors for plant-dependent control of bacterial gene expression.Environmental microbiology · 2023Article
- Recruitment of the rhizo-microbiome army: assembly determinants and engineering of the rhizosphere microbiome as a key to unlocking plant potential.Frontiers in microbiology · 2023Review
- ubiF is involved in acid stress tolerance and symbiotic competitiveness in Rhizobium favelukesii LPU83.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2022Article
- Engineering rhizobacteria for sustainable agriculture.The ISME journal · 2021Review
- The MocR/GabR Ectoine and Hydroxyectoine Catabolism Regulator EnuR: Inducer and DNA Binding.Frontiers in microbiology · 2021Article
- Conformational transitions induced by γ-amino butyrate binding in GabR, a bacterial transcriptional regulator.Scientific reports · 2019Article
- Engineering transkingdom signalling in plants to control gene expression in rhizosphere bacteria.Nature communications · 2019Article
- Computational classification of MocR transcriptional regulators into subgroups as a support for experimental and functional characterization.Bioinformation · 2019Article
- From plants to nematodes: Serratia grimesii BXF1 genome reveals an adaptation to the modulation of multi-species interactions.Microbial genomics · 2018Article
- Article
- PLP and GABA trigger GabR-mediated transcription regulation inProceedings of the National Academy of Sciences of the United States of America · 2017Article
- Article
- Negative Regulation of Ectoine Uptake and Catabolism in Sinorhizobium meliloti: Characterization of the EhuR Gene.Journal of bacteriology · 2017Article
- Comparative genomics of pyridoxal 5'-phosphate-dependent transcription factor regulons inMicrobial genomics · 2016Article
- Discovery of Novel Plant Interaction Determinants from the Genomes of 163 Root Nodule Bacteria.Scientific reports · 2015Article
- Deficiency of PdxR in Streptococcus mutans affects vitamin B6 metabolism, acid tolerance response and biofilm formation.Molecular oral microbiology · 2015Article
- Characterization of MocR, a GntR-like transcriptional regulator, in Bradyrhizobium japonicum: its impact on motility, biofilm formation, and soybean nodulation.Journal of microbiology (Seoul, Korea) · 2015Article
- Replicon-dependent bacterial genome evolution: the case of Sinorhizobium meliloti.Genome biology and evolution · 2013Article
- Transcriptional profiling analysis of the global regulator NorG, a GntR-like protein of Staphylococcus aureus.Journal of bacteriology · 2011Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rhizopine (L-3-O-methyl-scyllo-inosamine, 3-O-MSI) is a symbiosis-specific compound, which is synthesized in nitrogen-fixing nodules of Medicago sativa induced by Rhizobium meliloti strain L5-30. 3-O-MSI is thought to function as an unusual growth substrate for R. meliloti L5-30, which carries a locus (mos) responsible for its synthesis closely linked to a locus (moc) responsible for its degradation. Here, the essential moc genes were delimited by Tn5 mutagenesis and shown to be organized into two regions, separated by 3 kb of DNA. The DNA sequence of a 9-kb fragment spanning the two moc regions was determined, and four genes were identified that play an essential role in rhizopine catabolism (mocABC and mocR). The analysis of the DNA sequence and the amino acid sequence of the deduced protein products revealed that MocA resembles NADH-dependent dehydrogenases. MocB exhibits characteristic features of periplasmic-binding proteins that are components of high-affinity transport systems. MocC does not share significant homology with any protein in the database. MocR shows homology with the GntR class of bacterial regulator proteins. These results suggest that the mocABC genes are involved in the uptake and subsequent degradation of rhizopine, whereas mocR is likely to play a regulatory role.
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