GEO DataSets

(Submitter supplied) The Medicago Genome Oligo Set Version 1.0 (Qiagen Operon, Alameda, CA) includes 70-mer oligonucleotides representing 16,086 M. truncatula tentative consensus sequences (TCs) from The Institute of Genome Research (TIGR) Gene Index Database (www.tigr.org/tdb/tgi/mtgi/) MtGI Release 5.0 as well as both positive and negative controls. Details of this oligo set are available at http://oligos.qiagen.com/arrays/omad.php. more...

Organism:

Medicago truncatula

4 Series

18 Samples

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(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Rhizophagus intraradices; Gigaspora gigantea; Medicago truncatula

Type:

Expression profiling by array

Platform:

GPL4059

18 Samples

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(Submitter supplied) Most vascular flowering plants have the ability to form mutualistic associations with soil fungi from the Glomeromycota. The resulting symbiosis is called an arbuscular mycorrhiza and they are widespread in terrestrial ecosystems throughout the world. Although the physical interaction between the symbionts occurs in the root cortex, the symbiosis impacts the physiology of the whole plant. To gain a better understanding of the AM symbiosis, we have used the 16000 feature array to examine gene expression in the leaves of mycorrhizal plants to explore the transcriptional changes that are triggered systemically as a result of the AM symbiosis. more...

Organism:

Medicago truncatula

Type:

Expression profiling by array

Platform:

GPL4059

6 Samples

Download data

(Submitter supplied) Most vascular flowering plants have the ability to form mutualistic associations with soil fungi from the Glomeromycota. The resulting symbiosis is called an arbuscular mycorrhiza and they are widespread in terrestrial ecosystems throughout the world. Significant alteration occurs at physiological and molecular levels in both symbionts. To gain a better understanding of the AM symbiosis, we use a 16000 feature oligonucleotide based array to examine gene expression in an arbuscular mycorrhizal symbioses, M. more...

Organism:

Gigaspora gigantea; Medicago truncatula

Type:

Expression profiling by array

Platform:

GPL4059

6 Samples

Download data

(Submitter supplied) Most vascular flowering plants have the ability to form mutualistic associations with soil fungi from the Glomeromycota. The resulting symbiosis is called an arbuscular mycorrhiza and they are widespread in terrestrial ecosystems throughout the world. Significant alteration occurs at physiological and molecular levels in both symbionts. To gain a better understanding of the AM symbiosis, we use a 16000 feature oligonucleotide based array to examine gene expression in an arbuscular mycorrhizal symbioses, M. more...

Organism:

Medicago truncatula; Rhizophagus intraradices

Type:

Expression profiling by array

Platform:

GPL4059

6 Samples

Download data

(Submitter supplied) affy_med_2011_14 - affy_med_2011_14 - -In natural ecosystems most terrestrial plants form arbuscular mycorrhiza (AM), mutualistic symbioses with soil fungi belonging to the order Glomeromycota. This symbiosis takes place when phosphate is limiting and enables the plant to acquire nutrients (in particular phosphate) in exchange of carbon provided to the fungus A hypermycorrhizal mutant B9 was identified (Morandi et al. more...

Organism:

Sinorhizobium meliloti; Medicago sativa; Medicago truncatula

Type:

Expression profiling by array

Platform:

GPL4652

12 Samples

Download data: CEL

(Submitter supplied) The Platform data table reflects a condensed representation of the expression array's replicate (SEQ_ID) features. The .ndf and .ngd files are linked below as supplementary files. Protocol: High-density DNA array prepared with Maskless Array Synthesizer (MAS) technology. See http://www.nimblegen.com/

Organism:

Petunia x hybrida

2 Series

43 Samples

Download data: NDF, NGD, TXT

(Submitter supplied) affy_med_2011_09: In natural ecosystems most vascular plants develop symbiosis with arbuscular mycorrhizal (AM) fungi which help them acquire nutrients such as phosphorus (P) and nitrogen (N). P has long been known to control AM symbiosis which takes place only when P is limiting. For N, however, its role in controlling mycorrhization is less clear. We have chosen the model plant Medicago truncatula to analyze the impact of P limitation and both P and N limitation on Medicago root transcriptome in response to the AM fungus Rhizophagus irregularis (formerly Glomus intraradices (BEG141)). more...

Organism:

Sinorhizobium meliloti; Medicago sativa; Medicago truncatula

Type:

Expression profiling by array

Platform:

GPL4652

12 Samples

Download data: CEL

(Submitter supplied) The fungal mutualist Piriformospora indica is colonising barley roots thereby mediating various beneficial effects to its host. The interaction is characterised by an initial biotrophic interaction stage which is followed by a cell death-dependent colonisation phase. We used microarrays to identify the global programme of gene expression during the colonisation process of barley roots by P. indica and to obtain informations into plant defense and metabolic reprogramming.

Organism:

Hordeum vulgare

Type:

Expression profiling by array

Platform:

GPL7659

18 Samples

Download data: TXT

(Submitter supplied) Plant species posses a special set of genes functional only in arbuscular mycorrhizal symbiosis. So, the model plant Medicago truncatula (Jemalong 5) was used for transcriptome comparative analysis while infected with compatible rhizobia Sinorhizobium meliloti (strain 10) and with or without arbuscular mycorrhizal fungus Rhizophagus irregularis (SYM5). Whole shoot and whole root were used for RNA isolation and processed via one of the European certified Affymetrix core labs (http://core.img.cas.cz).

Organism:

Medicago sativa; Medicago truncatula; Sinorhizobium meliloti

Type:

Expression profiling by array

Platform:

GPL4652

12 Samples

Download data: CEL, CHP

(Submitter supplied) The Transcriptome of different tissues and developmental stages of Laccaria bicolor S238N was analyzed. The array probes were designed from gene models taken from the Joint Genome institute Laccaria bicolor genome sequence version1. One aim of this study was to verify the expression of the automatically annotated gene models in various tissues and to use this transcriptional information to confirm, to correct or to reject gene models. more...

Organism:

Populus tremula x Populus alba; Laccaria bicolor S238N-H82; Pseudotsuga menziesii; Populus trichocarpa; Laccaria bicolor

Type:

Expression profiling by array

Platform:

GPL6192

11 Samples

Download data: TXT

(Submitter supplied) Most land plants form beneficial associations with arbuscular mycorrhizal (AM) fungi which improves mineral nutrition, mainly phosphorus and nitrogen in the host plant in exchange for photosynthetically fixed carbon. Most of our knowledge on the AM symbiosis derives from dicotyledonous species. We show that inoculation with the AM fungus Funneliformis mossease stimulates growth and increases Pi content in leaves of the rice cultivar Loto (O. more...

Organism:

Oryza sativa; Funneliformis mosseae

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL19290 GPL28382

6 Samples

Download data: TXT

(Submitter supplied) Arbuscular mycorrhiza (AM) interactions between plants and Glomeromycota fungi primarily support phosphate aquisition of most terrestrial plant species. To unravel gene expression in Medicago truncatula root colonization by AM fungi, we used genome-wide transcriptome profiling based on whole mycorrhizal roots. We used GeneChips to detail the global programme of gene expression in response to colonization by arbuscular mycorrhizal fungi and in response to a treatment with phosphate and identified genes differentially expressed during this process.

Organism:

Medicago sativa; Medicago truncatula; Sinorhizobium meliloti

Type:

Expression profiling by array

Platform:

GPL4652

12 Samples

Download data: CEL

(Submitter supplied) Arbuscular mycorrhizal (AM) associations enhance the phosphorous and nitrogen nutrition of host plants, but little is known about their role in potassium (K+) nutrition. Medicago truncatula plants were co-cultured with the AM fungus Rhizophagus irregularis under high and low K+ regimes for six weeks. We determined how K+ deprivation affects plant development, mineral acquisition, and how these negative effects are tempered by the AM colonization. more...

Organism:

Medicago truncatula

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17491

14 Samples

Download data: FPKM_TRACKING

(Submitter supplied) The autoregulation of mycorrhization (AOM) describes a plant regulatory mechanism that limits the number of infection events by arbuscular mycorrhizal fungi. The key signal mediator is a receptor kinase (GmNARK) that acts in the shoots. Early signals of the mycorrhizal symbiosis induce a root-derived signal that activates GmNARK in the shoot finally leading to a systemic repression of subsequent infections in the root. more...

Organism:

Glycine max

Type:

Expression profiling by array

Platform:

GPL4592

30 Samples

Download data: CEL

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Medicago truncatula

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL11345

4 Samples

Download data: TXT

(Submitter supplied) Identification of microRNA targets in M. truncatula roots

Organism:

Medicago truncatula

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL11345

2 Samples

Download data: TXT

(Submitter supplied) Identification of microRNA expressed in M. truncatula roots

Organism:

Medicago truncatula

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL11345

2 Samples

Download data: TXT

(Submitter supplied) Arbuscular mycorrhizal fungi arguably form the most successful and wide-spread endosymbiosis with plants. In general terms there is very little host-specificity in this interaction, indicating an extremely broad compatibility. However, host preferences as well as varying symbiotic efficiencies have been observed, the molecular basis of which is still largely unknown. Secreted proteins (SPs) may act as fungal effectors to control symbiotic efficiency in a host-dependent manner. more...

Organism:

Rhizophagus irregularis

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL19734 GPL23542

18 Samples

Download data: XLSX

(Submitter supplied) affy_aphanomyces_medicago - NFP is one of the putative Nod factor receptor and plays therefore a key role in the establishment of symbiosis. nfp allelic mutants are more susceptible to Aphanomyces euteiches (Ae), a root pathogen, than the A17 wild type (WT) line. In this study we want to compare the early plant responses, 1 day post inoculation (dpi) between WT and the nfp2 mutant, in order to identify NFP-dependent gene networks during infection.-Fifteen-day-old A17 or nfp-2 plants were grown in vitro on M medium. more...

Organism:

Sinorhizobium meliloti; Medicago sativa; Medicago truncatula

Type:

Expression profiling by array

Platform:

GPL4652

12 Samples

Download data: CEL