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Novosphingobium cyanobacteriorum strain:HBC54

ABSTRACT: Novosphingobium sp. HBC54

PROVIDER: PRJNA928558 | ENA |

REPOSITORIES: ENA

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Metabolic capacities of Novosphingobium sp. HR1a in the rhizosphere

Project description:Rhizoremediation, the biotechnology of the utilization of rhizospheric microorganisms associated with plant roots for the elimination of soil contaminants, is based on the ability of microorganisms to metabolize nutrients from plant root exudates, in order to survive the stressful conditions of the rhizosphere, and thereby, to co-metabolize or even mineralize toxic environmental contaminants. Novosphingobium sp. HR1a is a bacterial strain able to degrade a wide variety of polycyclic aromatic hydrocarbons (PAHs). We have demonstrated that this bacterium is able to grow in vegetated microcosms and to eliminate phenanthrene in the presence of clover faster than in non-vegetated systems, establishing a positive interaction with clover. We have studied the molecular basis of this interaction by phenomic, metabolomic and transcriptomic analyses, demonstrating that the positive interaction between clover and Novosphingobium sp. HR1a is a result of the bacterial utilization of different carbon and nitrogen sources (such as sugars, amino acids and organic acids) released during seedling development, and the capacity of exudates to induce the PAH degradation pathway. These results are pointing out to Novosphingobium sp. HR1a as a promising strain for the bioremediation of PAH-contaminated soils.

2021-04-19 | GSE172273 | GEO

Transcriptome analysis of Novosphingobium sp. THN1 during microcystin-LR degradation under different carbon concentrations

Project description:The bacterium Novosphingobium sp. THN1 (THN1) is capable of degrading microcystin-LR (MCLR). To get an insight into genes expression during MCLR degradation and the regulation of different carbon concentrations on MCLR degradation, we performed RNA-seq of THN1 during MCLR degradation under different carbon concentrations.

2019-01-30 | GSE125827 | GEO

PahT regulates carbon fluxes in Novosphingobium sp. HR1a and influence its survival in soil and rhizosphere.

Project description:In this work we describe the role of paht gene from Novosphingobium sp. HR1a, as a regulator that seems to be involved in the control over the utilization of carbon and sulfur sources mainly involved in the control of pyruvate production and in the acetyl-CoA biosynthesis and PEP recycling from pyruvate.

2021-07-01 | GSE163593 | GEO

Isolation and characterization of two recently isolated Novosphingobium oxfordensis sp. nov. and Novosphingobium mississippiensis sp. nov. strains from soil, with LCMS and genome-based investigation of their glycosphingolipid productions

Project description:Isolation and characterization of two recently isolated Novosphingobium oxfordensis sp. nov. and Novosphingobium mississippiensis sp. nov. strains from soil, with LCMS and genome-based investigation of their glycosphingolipid productions

2024-07-03 | MSV000095235 | MassIVE

LuxR402 of Novosphingobium sp. HR1a regulates the correct configuration of cell envelopes

Project description:In this work, we report that the knockout mutant in other of this luxR-like genes (named luxR402) in Novosphingobium sp. HR1a; floculated faster than the wild-type when cultures are in repose. Transcriptomic analysis allowed us to determine the LuxR402 regulon; we have identified that the carbohydrate assimilation pathway and TCA cycle are affected in the mutant. Accordingly, the mutant presented poorer growth than the wild-type when growing in different carbon sources. At stationary phase of growth the pili biosynthesis, trehalose utilization and capside-related proteins were affected in the mutant strain. Microscopy assays determined that the mutant strain cultures presented cells aggrupations and that the extracellular matrix is less abundant than in the wild-type cultures.

2023-07-13 | GSE223267 | GEO

Transcriptome analysis of the Novosphingobium resinovorum SA1 strain grown on sulfanilic acid and glucose

Project description:Novosphingobium resinovorum strain SA1 is one of few strains capable of degrading sulfanilic acid which is a widely used representative of sulfonated aromatic compounds. In order to identify the elements involved in the biodegradation process and to understand the metabolic responces of the cells exposed to this aromatic compound, we performed a whole transcriptome analysis of cells grown on sulfanilic acid and glucose. Additionally, for distinguish the potential stress/starvation effects of the xenobiotic we compared the transcript profiles of samples taken from both the exponential and stationary growth phases.

2017-08-15 | GSE102626 | GEO

Aromatic dimer dehydrogenases from Novosphingobium aromaticivorans reduce aromatic diketones

Project description:Aromatic diketones are a major product of formic acid lignin depolymerization. Novosphingobium aromaticivorans can degrade these diketones, but the enzymes used in this process were unknown. We used RNA-Seq to identify aromatic dimer dehydrogenases as potential candidates for the initial reduction of the aromatic G-diketone, then verified this using in vitro enzyme assays.

2021-05-22 | GSE174697 | GEO

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