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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Affy_infection_medicago-Comparison of plant responses upon Aphanomyces euteiches infection in wild type (A17) line and in the hap2a-1 mutant

ABSTRACT: affy_infection_medicago - affy_infection_medicago - HAP2a is a transcription factor involved in the regulation of nitrogen fixing nodule organogenesis. hap2a-1 mutant has been shown to be more resistant to Aphanomyces euteiches (Ae), a root pathogen, than the A17 wild type (WT) line. In this study we want to compare both WT and mutant plant responses, 1 and 6 days post inoculation (dpi) between WT and the hap2a-1 mutant, in order to identify HAP2a-dependent gene networks during infection. Data about non inoculated A17 control plants and infected A17 at 1 dpi have been already obtained in another experiment in which the conditions of in vitro culture of M. truncatula plants and ofA.euteiches(Ae) inoculation were exactly the same than the ones used in these experiments.-Fifteen-day-old A17 or hap2a-1 plants were grown in vitro on M medium. The entire roots were then inoculated (or not = controls) with a A. euteiches zoospores (105/ml) and harvested one or six days after inoculation. Three independent repeats were performed. 12 arrays - Medicago; normal vs disease comparison,normal vs ems mutant comparison,time course

ORGANISM(S): Medicago truncatula

SUBMITTER: stephanie huguet

PROVIDER: E-GEOD-26046 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Similar Datasets

affy_med_2011_10- Comparison of plant responses upon Aphanomyces euteiches infection in wild type (A17) line and in the lyr3-1 and lyr3-2 mutants

Project description:affy_med_2011_10 - affy_med_2011_10 - LYR3 encodes a lysin motif-receptor-like kinase (LysM-RLK) that consists of an extracellular ligand-binding domain composed of three LysM domains, a single transmembrane domain and a cytoplasmic serine/threonine kinase domain. A reverse genetic approach was undertaken to study the role of this gene in the pathosystem Medicago truncatula M-bM-^@M-^S Aphanomyces euteiches (Ae). Results suggest that lyr3-1 and lyr3-2 mutants are more susceptible to the root pathogen Aphanomyces euteiches than the A17 wild type (WT) line. In this study, we want to compare the early plant responses, 3 days post inoculation (dpi), between WT and the lyr3-1 and lyr3-2 mutants, in order to identify LYR3-dependent gene networks during infection.-Fourteen days old A17, lyr3-1 or lyr3-2 plants were grown in vitro on M medium. The entire roots were then inoculated (or not = controls) with A. euteiches zoospores (105/ml) and harvested three days after inoculation. Three independent repeats were performed. 18 arrays - Medicago; normal vs mutant comparison,near isogenic lines (hif)

2014-02-28 | E-GEOD-43715 | biostudies-arrayexpress

Comparison of plant responses upon Aphanomyces euteiches infection in wild type (A17) and NFP allelic mutants

Project description: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. The entire roots were then inoculated (or not = controls) with a A. euteiches zoospores (105/ml) and harvested one day after inoculation. Three independent repeats were performed. Keywords: normal vs ems mutant comparison,near isogenic lines (hif) 12 arrays - Medicago

2011-09-01 | E-GEOD-20587 | biostudies-arrayexpress

affy_med_2012_03-Characterization of new phytostimulatrices molecules for the improvement of plants products and crop resistance to diseases

Project description:affy_med_2012_03 - affy_med_2012_03 - Aphanomyces euteiches is a major legume parasite related to S. parasitica. Analysis of its cell wall showed the presence of an unsusual high content in GlcNAc, representing 10% of the total carbohydrates. Interestingly, this compound does not form crystalline chitin, but amorphous chitosaccharides. The aim goal of this study is to compare the response to a preparation of crab shell chitin chitooligosaccharides with a mean DP of 7 and to A.euteiches chitosaccharides at a transcriptomic level. This comparison will be done on Medicago truncatula wild type compared to the nfp-1 and nfp-2 mutants. - 7-day-old A17 wild type or mutant nfp-1 or nfp-2 plants were grown in vitro on liquid M medium. The entire roots were then treated (or not = controls) with a preparation of crab shell chitin chitooligosaccharides of a mean DP of 7 or with chitosaccharides from A. euteiches cell wall, names fraction P2F1, and harvested after 4 hours of incubation. Three independent repeats were performed. 27 arrays - Medicago; normal vs ems mutant comparison

2013-12-01 | E-GEOD-43839 | biostudies-arrayexpress

Molecular mechanisms of partial resistance to Aphanomyces euteiches in Medicago truncatula (affy_molecularmechanism_medicago)

Project description:affy_molecularmechanism_medicago - affy_molecularmechanism_medicago - -Aphanomyces euteiches (Ae), a soilborne oomycete, is the causal agent of pea root rot, a major disease on various cultivated legume species. To gain insight into the mechanism underlying partial resistance to this pathogen, a pathosystem has been developed using the model legume Medicago truncatula (Mt). Two Mt accessions A17 and F83005.5 have been shown to display differential responses upon infection with Ae (partially resistance and susceptibility, respectively). Genetic analyses using a RIL population derived from a cross between those two lines lead to the identification of, prAe1, a major QTL involved in the observed partial resistance. Near isogenic lines (NIL) 5B2 and 5D2 whose genomes are identical except at the prAe1 locus (resistant alleles for 5B2, susceptible alleles for 5D2) have been generated, and the same differential response toward Ae has been found. The aim of this experiment is to analyse and compare 5B2 and 5D2 transcriptomes at 1 and 6 days after Ae inoculation to identify gene networks that are regulated in a prAe1 dependent manner.--Fifteen-day-old 5B2 or 5D2 plants were grown in vitro on M medium. The entire roots were then inoculated (or not = 0dpi) with a A. euteiches zoospores (75000zsp/ml) and harvested one or six days after inoculation. Three independent repeats were performed. 18 arrays - Medicago; resistance vs susceptibility comparison,time course,treated vs untreated comparison

2014-02-28 | E-GEOD-31198 | biostudies-arrayexpress

Transcription profiling of Medicago roots from MtTi2i vs control after infection with Aphanomyces euteiches

Project description:Comparsion of root transcriptome profiles after Aphanomyces euteiches infections between control and MtTi2i-lines

2006-03-03 | E-MEXP-572 | biostudies-arrayexpress

affy_infection_medicago-Comparison of plant responses upon Aphanomyces euteiches infection in wild type (A17) line and in the Mtnf-ya1-1 mutant

Project description:affy_infection_medicago - affy_infection_medicago - MtNF-YA1 is a transcription factor involved in the regulation of nitrogen fixing nodule organogenesis. Mtnf-ya1-1 mutant has been shown to be more resistant to Aphanomyces euteiches (Ae), a root pathogen, than the A17 wild type (WT) line. In this study we want to compare both WT and mutant plant responses, 1 and 6 days post inoculation (dpi) between WT and the Mtnf-ya1-1 mutant, in order to identify MtNF-YA1-dependent gene networks during infection. Data about non inoculated A17 control plants and infected A17 at 1 dpi have been already obtained in another experiment in which the conditions of in vitro culture of M. truncatula plants and ofA.euteiches(Ae) inoculation were exactly the same than the ones used in these experiments.-Fifteen-day-old A17 or Mtnf-ya1-1 plants were grown in vitro on M medium. The entire roots were then inoculated (or not = controls) with a A. euteiches zoospores (105/ml) and harvested one or six days after inoculation. Three independent repeats were performed.

2011-11-01 | GSE26046 | GEO

affy_med_2011_10- Comparison of plant responses upon Aphanomyces euteiches infection in wild type (A17) line and in the lyr3-1 and lyr3-2 mutants

Project description:affy_med_2011_10 - affy_med_2011_10 - LYR3 encodes a lysin motif-receptor-like kinase (LysM-RLK) that consists of an extracellular ligand-binding domain composed of three LysM domains, a single transmembrane domain and a cytoplasmic serine/threonine kinase domain. A reverse genetic approach was undertaken to study the role of this gene in the pathosystem Medicago truncatula – Aphanomyces euteiches (Ae). Results suggest that lyr3-1 and lyr3-2 mutants are more susceptible to the root pathogen Aphanomyces euteiches than the A17 wild type (WT) line. In this study, we want to compare the early plant responses, 3 days post inoculation (dpi), between WT and the lyr3-1 and lyr3-2 mutants, in order to identify LYR3-dependent gene networks during infection.-Fourteen days old A17, lyr3-1 or lyr3-2 plants were grown in vitro on M medium. The entire roots were then inoculated (or not = controls) with A. euteiches zoospores (105/ml) and harvested three days after inoculation. Three independent repeats were performed.

2014-02-28 | GSE43715 | GEO

Comparison of plant responses upon Aphanomyces euteiches infection in wild type (A17) and NFP allelic mutants

2011-09-02 | GSE20587 | GEO

Ralstonia solanacearum effector-specific effect on Medicago truncatula trancriptome

Project description:affy_ralstonia_peeters_medicago - We have identified two essential virulence determinants (GALA7, a type III secretion effector and HpaP, a chaperone-like protein) of Ralstonia solanacearum for the infection and colonisation of the host plant Medicago truncatula. The scope of this project is to identify the GALA7 and HpaP-specific transcriptome alteration. For this purpose wild type and mutant infected root material (13h and 72h postinfection) will be analysed on M. truncatula affymetrix chips. Medicago truncatula (A17 line) are grown in vitro on Farheus medium (with Nitrogen source) plantlets are inoculated with water R. solanacearum wt, gala7 and hpap mutants, and root tips are collected at 13h and 72h postinoculation. Experiment was performed 3 times independently. 4 bacteria conditions x 2 harvest times x 3 biological repeats = 24 samples Keywords: gene knock out,normal vs disease comparison,time course,treated vs untreated comparison 24 arrays - Medicago

2012-12-01 | E-GEOD-21985 | biostudies-arrayexpress

affy_med_2012_03-Characterization of new phytostimulatrices molecules for the improvement of plants products and crop resistance to diseases

2013-12-01 | GSE43839 | GEO

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