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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

ABSTRACT: 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.

ORGANISM(S): Medicago sativa Sinorhizobium meliloti Medicago truncatula

PROVIDER: GSE43715 | GEO | 2014/02/28

SECONDARY ACCESSION(S): PRJNA188665

REPOSITORIES: GEO

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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

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

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)

2011-09-02 | GSE20587 | GEO

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

Project description: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

2011-11-01 | E-GEOD-26046 | 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) NR2 and NS2 whose genomes are identical except at the prAe1 locus (resistant alleles for NR2, susceptible alleles for NS2) have been generated, and the same differential response toward Ae has been found. The aim of this experiment is to analyse and compare NR2 and NS2 transcriptomes at 1 and 6 days after Ae inoculation to identify gene networks that are regulated in a prAe1 dependent manner.--Fifteen-day-old NR2 or NS2 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.

2014-02-28 | GSE31198 | GEO

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

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

Aphanomyces euteiches

Project description:Aphanomyces euteiches overview

| PRJNA551525 | ENA

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

Aphanomyces euteiches

Project description:Aphanomyces euteiches Genome sequencing

| PRJNA816123 | ENA

Sesquiterpenes produced in roots of Medicago truncatula play a role in defense against Aphanomyces euteiches

Project description:Inoculation of Medicago truncatula roots with zoospores of the oomycetic pathogen Aphanomyces euteiches leads to rapid upregulation of a gene encoding a sesquiterpene synthase followed by release of sesquiterpenes that may have a defense function against A. euteiches.

2019-10-15 | E-MTAB-7286 | biostudies-arrayexpress

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