Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1104308 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28797120_1.fastq.gz | Fastqsanger.gz | |||
| SRR28797120_2.fastq.gz | Fastqsanger.gz | |||
| SRR28797121_1.fastq.gz | Fastqsanger.gz | |||
| SRR28797121_2.fastq.gz | Fastqsanger.gz | |||
| SRR28797122_1.fastq.gz | Fastqsanger.gz |
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Project description:Alnus glutinosa belongs to a family of angiosperms called actinorhizal plants because they can develop nitrogen-fixing nodules in association with the soil bacteria Frankia. The aim of this transcriptomic study was to get a global view of the plant symbiotic genetic program and to identify new key plant genes that control nodulation during symbiosis in A. glutinosa. Symbiosis between A. glutinosa and Frankia was obtained after inoculation of young plant with a concentrated culture of the bacteria. Inoculation was performed in a medium depleted in nitrogen which favors the induction of nitrogen fixing symbiosis. For this study we considered two stages of symbiosis: - an early stage where inoculated roots were harvested 7 days after inoculation with the bacteria and compared to two controls (non-inoculated roots grown with or without nitrogen and harvested at the same time) - a late stage where nodules (nitrogen-fixing specific organs) were harvested 21 days after inoculation and compared to non-inoculated roots harvested on the day of inoculation (which is our reference time 0d). Three biological replicates were used for each condition.
2011-04-11 | GSE24153 | GEO
Project description:Casuarina glauca belongs to a family of angiosperms called actinorhizal plants because they can develop nitrogen-fixing nodules in association with the soil bacteria Frankia. The aim of this transcriptomic study was to get a global view of the plant symbiotic genetic program and to identify new key plant genes that control nodulation during symbiosis in C. glauca. Symbiosis between C. glauca and Frankia was obtained after inoculation of young plant with a concentrated culture of the bacteria. Inoculation was performed in a medium depleted in nitrogen which favors the induction of nitrogen fixing symbiosis. For this study we considered two stages of symbiosis: - an early stage where inoculated roots were harvested 7 days after inoculation with the bacteria and compared to two controls (non-inoculated roots grown with or without nitrogen and harvested at the same time) - a late stage where nodules (nitrogen-fixing specific organs) were harvested 21 days after inoculation and compared to non-inoculated roots harvested on the day of inoculation (which is our reference time 0d). Three biological replicates were used for each condition.
2011-04-07 | GSE24158 | GEO
Project description:The degradation of aromatic compounds comprises an important step in the removal of pollutants and re-utilization of plastics and other non-biological polymers. Here we set out to study Pseudomonas sp. strain phDV1, a gram-negative bacterium that was selected for its ability to degrade aromatic compounds. In order to understand how the aromatic compounds and their degradation products are reintroduced in the metabolism of the bacteria and the systematic/metabolic response of the bacterium to the new carbon source, the proteome of this strain was analysed in the presence of succinate, phenol and o-, m-, p-cresol as sole carbon source. We then applied label-free quantitative proteomics to monitor overall proteome remodeling during metabolic adaptation to different carbon sources. As a reference proteome, we grew the bacteria in succinate and then compared the respective proteomes of bacteria grown on phenol and different cresols. In total, we identified 2295 proteins; 1908 proteins were used for quantification between different growth conditions. We found that 70, 100, 150 and 155 proteins were significantly differentially expressed in cells were grown in phenol, o-, m- and p-cresol-containing medium, respectively. The carbon source affected the synthesis of enzymes related to aromatic compound degradation, and in particular, the enzyme involved in the meta-pathway of monocyclic aromatic compounds degradation. In addition, proteins involved in the production of polyhydroxyalkanoate (PHA), an attractive biomaterial, showed higher expression levels in the presence of monocyclic aromatic compounds.Our results provide for the first time comprehensive information on the proteome response of this strain to monocyclic aromatic compounds.
2020-10-22 | PXD021237 | Pride
Project description:Insight into the mechanisms for the anaerobic metabolism of aromatic compounds by the hyperthermophilic archaeon Ferroglobus placidus is expected to improve understanding of the degradation of aromatics in hot (> 80 °C) environments and to identify enzymes that might have biotechnological applications. Analysis of the F. placidus genome revealed genes predicted to encode enzymes homologous to those previously identified as playing a role in benzoate and phenol metabolism in mesophilic bacteria. Surprisingly, F. placidus lacks genes for an ATP-independent class II benzoyl-CoA reductase found in all strictly anaerobic bacteria, but instead has two sets of genes for ATP-consuming class I benzoyl-CoA reductases, similar to those found in facultative bacteria. The lower portion of the benzoate degradation pathway appears to be more similar to that found in the phototroph Rhodopseudomonas palustris, than the pathway reported for all heterotrophic anaerobic benzoate degraders. Many of the genes predicted to be involved in benzoate metabolism were found in one of two gene clusters. Genes for a phenol carboxylation proceeding through a phenylphosphate intermediate and for conversion of p-hydroxybenzoate to benzoyl-CoA were identified in a single gene cluster. Analysis of transcript abundance with a whole-genome microarray and quantitative PCR demonstrated that most of the genes predicted to be involved in benzoate or phenol metabolism had higher transcript abundance during growth on those substrates versus growth on acetate. These results suggest that the general strategies for benzoate and phenol metabolism may be highly conserved between microorganisms living in moderate and hot environments, and that anaerobic metabolism of aromatic compounds might be analyzed in a wide range of environments with similar molecular targets.
2011-01-05 | GSE26421 | GEO
Project description:Casuarina glauca belongs to a family of angiosperms called actinorhizal plants because they can develop nitrogen-fixing nodules in association with the soil bacteria Frankia. The aim of this transcriptomic study was to get a global view of the plant symbiotic genetic program and to identify new key plant genes that control nodulation during symbiosis in C. glauca. Symbiosis between C. glauca and Frankia was obtained after inoculation of young plant with a concentrated culture of the bacteria. Inoculation was performed in a medium depleted in nitrogen which favors the induction of nitrogen fixing symbiosis. For this study we considered two stages of symbiosis: - an early stage where inoculated roots were harvested 7 days after inoculation with the bacteria and compared to two controls (non-inoculated roots grown with or without nitrogen and harvested at the same time) - a late stage where nodules (nitrogen-fixing specific organs) were harvested 21 days after inoculation and compared to non-inoculated roots harvested on the day of inoculation (which is our reference time 0d). Three biological replicates were used for each condition. Microarrays were designed by Imaxio (Clermont Ferrand, France ; http://www.imaxio.com/index.php) which has been accredited by Agilent Technologies (Palo Alto, CA, USA; http://www.home.agilent.com/agilent/home.jspx) as a certified service provider for microarray technologies. Based on 14327 annotated unigenes for C. glauca, 60mers probes were designed using eArray software (1 probe per unigene) and custom 8 x 15K Oligo Microarrays were manufactured by Agilent.
2011-04-07 | E-GEOD-24158 | biostudies-arrayexpress
Project description:Alnus glutinosa belongs to a family of angiosperms called actinorhizal plants because they can develop nitrogen-fixing nodules in association with the soil bacteria Frankia. The aim of this transcriptomic study was to get a global view of the plant symbiotic genetic program and to identify new key plant genes that control nodulation during symbiosis in A. glutinosa. Symbiosis between A. glutinosa and Frankia was obtained after inoculation of young plant with a concentrated culture of the bacteria. Inoculation was performed in a medium depleted in nitrogen which favors the induction of nitrogen fixing symbiosis. For this study we considered two stages of symbiosis: - an early stage where inoculated roots were harvested 7 days after inoculation with the bacteria and compared to two controls (non-inoculated roots grown with or without nitrogen and harvested at the same time) - a late stage where nodules (nitrogen-fixing specific organs) were harvested 21 days after inoculation and compared to non-inoculated roots harvested on the day of inoculation (which is our reference time 0d). Three biological replicates were used for each condition. Microarrays were designed by Imaxio (Clermont Ferrand, France ; http://www.imaxio.com/index.php) which has been accredited by Agilent Technologies (Palo Alto, CA, USA; http://www.home.agilent.com/agilent/home.jspx) as a certified service provider for microarray technologies. Based on 14327 annotated unigenes for A. glutinosa, 60mers probes were designed using eArray software (1 probe per unigene) and custom 8 x 15K Oligo Microarrays were manufactured by Agilent
2011-04-11 | E-GEOD-24153 | biostudies-arrayexpress
Project description:Casuarina glauca belongs to a family of angiosperms called actinorhizal plants because they can develop nitrogen-fixing nodules in association with the soil bacteria Frankia. The aim of this transcriptomic study was to study the role of the plant growth regulator auxin during actinorhizal symbiosis and to identify key plant genes that are involved in auxin signaling during symbiosis in C. glauca. Symbiosis between C. glauca and Frankia was obtained after inoculation of young plant with a concentrated culture of the bacteria. Inoculation was performed in a medium depleted in nitrogen (N2) which favors the induction of nitrogen fixing symbiosis. For auxin role study, plant were treated with 25µM 1-naphtoxy acetic acid (1-NOA) all along nodulation time. Nodule were harvested 3 weeks after inoculation. For this study we considered two stages: - 21 days old nodules obtained on plants not treated with 1-NOA (control condition) - 21 days old nodules obtained on plants supplemented with 25µM of 1-NOA. Three biological replicates were used for each condition, however due to non valid staistics, two of the replicates (one for control condition, one for treated condition were removed.
2014-12-31 | GSE55582 | GEO
Project description:Microbial electricity driven anaerobic phenol degradation
| PRJEB56377 | ENA