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Transcriptome of Frankia alni ACN14a under N-free condition with AgLTP24

ABSTRACT: Transcriptome of Frankia alni ACN14a under N-free culture in contact or not with a sub-inhibitory concentration of AgLTP24

PROVIDER: PRJEB61075 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR11180437.fastq.gz	Fastqsanger.gz
	ERR11180438.fastq.gz	Fastqsanger.gz
	ERR11180439.fastq.gz	Fastqsanger.gz
	ERR11180440.fastq.gz	Fastqsanger.gz
	ERR11180441.fastq.gz	Fastqsanger.gz

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Frankia alni

Project description:Frankia alni overview

| PRJNA35933 | ENA

Comparison of transcriptome between free-living and symbiotic cells of Frankia alni ACN14a

Project description:The actinobacteria Frankia alni is able to induce the formation of nodules on the root of a large spectrum of actinorhizal plants, where it converts dinitrogen to ammonia in exchange for plant photosynthates. In the present study, transcriptional analyses were performed on nitrogen-replete free-living cells and on Alnus glutinosa nodule bacteria, using whole genome microarrays. Distribution of nodule-induced genes on the genome was found to be mostly over regions with high synteny between three Frankia genomes, while nodule-repressed genes, which were mostly hypothetical and not conserved, were spread around the genome. Genes known to be related to symbiosis were highly induced: nif (nitrogenase), hup2 (hydrogenase uptake), suf (sulfur-iron cluster) and shc (hopanoids synthesis). The expression of genes involved in ammonium assimilation and transport was strongly modified suggesting that bacteria ammonium assimilation was limited. Genes involved in particular in transcriptional regulation, signalling processes, protein drug export, protein secretion, lipopolysaccharide and peptidoglycan biosynthesis that may play a role in symbiosis were also identified. We showed that this nodule transcriptome of Frankia was highly similar among phylogenetically distant plant families. To address gene expression changes of Frankia alni ACN in the symbiotic state, we compared transcript levels between young nodules formed on 4 species of trees (Alnus glutinosa, Alnus nepalensis, Myrica gale and Myrica rubra) and free-living cells grown in nitrogen-replete minimal medium. For A. glutinosa nodule and free-living cells, two sets of experiments (A and B) were performed in two different laboratories. Three biological replicates were preformed for each condition.

2010-09-12 | E-GEOD-18190 | biostudies-arrayexpress

Comparison of transcriptome between free-living and symbiotic cells of Frankia alni ACN14a

2010-09-12 | GSE18190 | GEO

Proteomics analysis of a menage a trois: Frankia alni, Alnus glutinosa, and Phytophthora alni.

Project description:The proteomes of the nitrogen-fixin bacterium Frankia alni, the tree Alnus glutinosa (Alder), and the oomycete plant pathogen Phytophthora alni were established by shotgun proteomics in specific conditions to assess Alnus glutinosa responsiveness to Phytophthora alni infection in presence of Frankia alni.

2025-03-25 | PXD040943 | Pride

Shotgun proteomics of Frankia alni grown on fumarate

Project description:Next-generation proteomics of Frankia alni for defining the key proteins involved in growth on fumarate.

2023-06-11 | PXD018045 | Pride

The PEG-responding dessicome of Frankia alni

Project description:We characterized the polyethylene glycol (PEG)-responding desiccome from the most geographically widespread Gram-positive nitrogen-fixing plant symbiont, i.e. Frankia alni, by next-generation proteomics.

2018-10-24 | PXD007226 | Pride

Proteomics analysis of Phytophthora alni infection in Frankia alni and Alnus glutinosa symbiotic nodules.

Project description:The proteomics analysis of the nitrogen-fixin bacterium Frankia alni, the tree Alnus glutinosa (Alder), and the oomycete plant pathogen Phytophthora alni was carried out by shotgun proteomics from nodules to establish the defence mechanisms of the symbiont during an infection.

2025-03-25 | PXD044187 | Pride

Proteomics insights into Frankia alni molecular dialogue with its host

Project description:Next-generation proteomics of Frankia alni for defining the key proteins involved in the molecular dialogue with its plant host.

2022-04-23 | PXD012260 | Pride

Proteogenomic analysis of Frankia alni in Alnus glutinosa nodules and N2-fixing pure cultures.

Project description:Proteome profiles of Frankia alni established by next-generation proteomics

2022-04-23 | PXD030468 | Pride

Transcriptomics of Frankia alni upon early contact with its host

Project description:Transcriptomics of Frankia alni upon early contact with its host

| PRJEB31118 | ENA