ArticleJournal of bacteriology2012
Inability to catabolize galactose leads to increased ability to compete for nodule occupancy in Sinorhizobium meliloti.
Article in Journal of bacteriology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
13 citing papers in PubMed, 26 citations in OpenAlex.
- The transport of mannitol inMicrobiology (Reading, England) · 2023Article
- Inability to Catabolize Rhamnose byMicroorganisms · 2022Article
- L-arabinose induces the formation of viable non-proliferating spheroplasts inApplied and environmental microbiology · 2021Article
- OptimizingProceedings of the National Academy of Sciences of the United States of America · 2020Article
- Galactitol catabolism in Sinorhizobium meliloti is dependent on a chromosomally encoded sorbitol dehydrogenase and a pSymB-encoded operon necessary for tagatose catabolism.Molecular genetics and genomics : MGG · 2019Article
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- Article
- A legume genetic framework controls infection of nodules by symbiotic and endophytic bacteria.PLoS genetics · 2015Article
- Construction of a mariner-based transposon vector for use in insertion sequence mutagenesis in selected members of the Rhizobiaceae.BMC microbiology · 2014Article
- Analysis of a taurine-dependent promoter in Sinorhizobium meliloti that offers tight modulation of gene expression.BMC microbiology · 2014Article
- Examination of prokaryotic multipartite genome evolution through experimental genome reduction.PLoS genetics · 2014Article
- Members of the Sinorhizobium meliloti ChvI regulon identified by a DNA binding screen.BMC microbiology · 2013Article
- Arabinose induces pellicle formation by Vibrio fischeri.Applied and environmental microbiology · 2013Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A mutant unable to utilize galactose was isolated in Sinorhizobium meliloti strain Rm1021. The mutation was found to be in a gene annotated dgoK1, a putative 2-keto-3-deoxygalactonokinase. The genetic region was isolated on a complementing cosmid and subsequently characterized. Based on genetic and bioinformatic evidence, the locus encodes all five enzymes (galD, dgoK, dgoA, SMc00883, and ilvD1) involved in the De Ley-Doudoroff pathway for galactose catabolism. Although all five genes are present, genetic analysis suggests that the galactonase (SMc00883) and the dehydratase (ilvD1) are dispensable with respect to the ability to catabolize galactose. In addition, we show that the transport of galactose is partially facilitated by the arabinose transporter (AraABC) and that both glucose and galactose compete with arabinose for transport. Quantitative reverse transcription-PCR (qRT-PCR) data show that in a dgoK background, the galactose locus is constitutively expressed, and the induction of the ara locus seems to be enhanced. Assays of competition for nodule occupancy show that the inability to catabolize galactose is correlated with an increased ability to compete for nodule occupancy.
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