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Gene expression data from Sh-Mt-Gi vs Mt shoot tissues

ABSTRACT: 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. Keywords: Medicago truncatula, Mycorrhizal, systemic regulation, microarray profiling

ORGANISM(S): Medicago truncatula

PROVIDER: GSE5472 | GEO | 2007/03/08

SECONDARY ACCESSION(S): PRJNA104343

REPOSITORIES: GEO

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Gene expression data from Mt/Gi vs Mt root tissues

Project description: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. truncatula/G. intraradices. Keywords: Medicago truncatula, Mycorrhizal, Glomus intraradices, microarray profiling

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Gene expression data from Mt/Gigi vs Mt root tissues

Project description: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. truncatula/Gigaspora gigantea. Keywords: Medicago truncatula, Mycorrhizal, Gigaspora gigantea, microarray profiling

2007-03-08 | GSE5471 | GEO

Gene expression data from arbuscular mycorrhizal and phosphate-treated Medicago truncatula roots.

2011-10-29 | GSE32208 | GEO

The membrane proteome of Medicago truncatula roots displays qualitative and quantitative changes in response to arbuscular mycorrhizal symbiosis

Project description:Arbuscular mycorrhizal (AM) symbiosis that associates roots of most land plants with soilborne fungi (Glomeromycota), is characterized by reciprocal nutritional benefits. Fungal colonization of plant roots induces massive changes in cortical cells where the fungus differentiates an arbuscule, which drives proliferation of the plasma membrane, and the de novo synthesis of the periarbuscular membrane. Despite the recognized importance of membrane proteins in sustaining AM symbiosis, the root microsomal proteome elicited upon mycorrhiza still remains to be explored. In this study, we first examined the qualitative composition of the root membrane proteome of Medicago truncatula after microsome enrichment and subsequent in depth analysis by GeLC-MS/MS. The results obtained highlighted the identification of 1226 root membrane protein candidates whose cellular and functional classifications predispose plastids and protein synthesis as prevalent organelle and function, respectively. Changes at the protein abundance level between the membrane proteomes of mycorrhizal and nonmycorrhizal roots were further monitored by spectral counting, which retrieved a total of 97 proteins that displayed a differential accumulation upon AM symbiosis. Besides the canonical markers of the periarbuscular membrane, new candidates supporting the importance of membrane trafficking events during mycorrhiza establishment/functioning were identified, including flotillin-like proteins.

2014-06-30 | PXD000875 | Pride

Gene expression during early stages of arbuscular mycorrhizal root formation in Medicago truncatula.

2012-03-28 | GSE34617 | GEO

Small RNA sequencing in tomato roots with and without Rhizophagus irregularis

Project description:Arbuscular mycorrhizal symbiosis is a predominant relationship between plant and arbuscular mycorrhizal fungi. To idendify arbuscular mycorrhiza responsive miRNAs, small RNA libraries were constructed in tomato roots colonized with Rhizophagus irregularis and without Rhizophagus irregularis. We identify miRNAs in tomato roots and provide a new profile of tomato miRNAs. And we found that some miRNAs were responsive to arbuscular mycorrhiza by comparing miRNAs in treatment with that in control.

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Small RNA sequencing in tomato roots with and without Rhizophagus irregularis

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A roadmap of cell-type specific gene expression during late stages of the arbuscular mycorrhiza symbiosis

2013-04-28 | GSE42747 | GEO

A roadmap of cell-type specific gene expression during early stages of the arbuscular mycorrhiza symbiosis

2013-04-28 | GSE42746 | GEO

Gene expression data from arbuscular mycorrhizal and phosphate-treated Medicago truncatula roots.

Project description: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. Medicago truncatula roots were harvested at 28 days post inoculation with the two different arbuscular mycorrhizal fungi Glomus intraradices (Gi-Myc) and Glomus mosseae (Gm-Myc) under low phosphate conditions (20 µM phosphate) or after a 28 days treatment with 2 mM phosphate in the absence of arbuscular mycorrhizal fungi (2mM-P). As a control, uninfected roots grown under low phosphate conditions (20 µM phosphate) were used (20miM-P). Three biological replicates consisting of pools of five roots were used for RNA extraction and hybridization on Affymetrix GeneChips.

2011-10-28 | E-GEOD-32208 | biostudies-arrayexpress

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