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E-MTAB-4308

ABSTRACT: Transcription profiling by high throughput sequencing in Fusarium crown rot resistance in bread wheat

PROVIDER: E-MTAB-4308 | ExpressionAtlas | 2016-10-20

REPOSITORIES: ExpressionAtlas

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Expression profiling of wheat heads from spring wheat Chinese Spring (CS) and CS-7EL (CS with additional chromosome arm 7EL from Thinopyrum elongatum), after inoculation with either water (mock inoculation) or Fusarium graminearum

Project description:The ditelocentric addition line CS-7EL of the spring wheat (Triticum aestivum) cultivar Chinese Spring (CS) contains the long arm of the chromosome 7E from Thinopyrum elongatum (CS-7EL), which confers high resistance to fusarium head blight. It is of great interest to breeders to integrate the resistance locus (loci) from Th. elongatum into commercial wheat varieties. The objectives of this study were to identify candidate genes expressed from the 7EL chromosome of CS-7EL, to develop 7EL-specific molecular markers, and to validate their usefulness to characterize recombination between one of the group 7 chromosomes of wheat and Th. elongatum. High-throughput sequencing of Fusarium graminearum-infected and control CS and CS-7EL cDNA libraries was performed using RNA-Seq. A stepwise bioinformatics strategy was applied to assemble the sequences obtained from RNA-Seq and to create a conservative list of candidate genes expressed from the foreign chromosome 7EL. PCR primer pairs were designed and tested for 135 candidate genes. A total of 48 expressed molecular markers specific for the chromosome 7EL were successfully developed. Screening of progenies from two BC1F2 families from the cross CS-7E(7D)×2*CSph1b showed that these markers are useful to characterize recombination events between the chromosomes 7D from wheat and 7E from Th. elongatum. Expression profiling of inoculated rachis from CS and CS-7EL heads sampled at 4 days after inoculation. Inoculation of all developed spikelets on each head at mid-anthesis was done with either water or F. graminearum strain DAOM 180378. Three biological replicates were done for each treatment, and 10 to 12 heads were inoculated per biological replicate.

2015-09-14 | E-GEOD-70797 | biostudies-arrayexpress

2015-09-14 | GSE70797 | GEO

Gene expression in near isogenic spring wheat lines carrying or not the 2DL FHB resistance QTL during early infection with Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Project description:Fusarium head blight (FHB) is a major disease of cereal crops caused by the fungus Fusarium graminearum (Fg). FHB affects the flowering heads (or spikes). This study compare the gene expression profile in wheat spikelets from near isogenic spring wheat lines carrying or not the FHB resistance QTL 2DL, after inoculation with water (H2O) or Fg; two inoculation methods were also compared, point and spray inoculation.

2015-06-03 | GSE54550 | GEO

Gene expression in near isogenic spring wheat lines carrying different combinaison of the FHB resistance QTLs 2DL, 3BS and 5A during early infection with Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Project description:Fusarium head blight (FHB) is a major disease of cereal crops caused by the fungus Fusarium graminearum (Fg). FHB affects the flowering heads (or spikes). This study compare the gene expression profile in wheat spikelets from near isogenic spring wheat lines carrying different combinaison of the FHB resistance QTLs 2DL, 3BS and 5A, after inoculation with water (H2O) or Fg; the point inoculation method was used.

2015-06-03 | GSE54555 | GEO

[E-MTAB-552] Transcriptome Analysis of the potato (genotype RH89-039-16)

Project description:Transcription profiling by high throughput sequencing of the potato (genotype RH89-039-16) ArrayExpress Release Date: 2011-07-11 Person Roles: submitter Person Last Name: Soenderkaer Person First Name: Mads Person Mid Initials: Person Email: mson@bio.aau.dk Person Phone: 4530532492 Person Address: Sohngaardsholmsvej 49, 9000 Aalborg, Denmark Person Affiliation: Aalborg University

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Differential transcriptome analyses of three wheat genotypes in their response to Fusarium Head Blight and trichothecenes

Project description:Fusarium Head Blight (FHB) is a disease of wheat and other cereal crops, where Fusarium graminearum and related species infects the wheat inflorescence during and post-anthesis. The fungus produces trichothecene toxins that accumulate in the grain of infected head, and are required for disease spread. Microarrays were used to observe differential gene expression in the uninoculated spikelets of FHB-challenged wheat spikes in three wheat genotypes. A summary of our findings will be published in Plant Pathology. Three wheat genotypes were used: (1) 'Superb', an FHB-susceptible Canadian wheat cultivar; (2) GS-1-EM0040 (CIMMYT11x'Superb'*2), a double haploid line with good resistance to initial infection (Type 1 resistance), and moderate resistance to disease spread (Type 2 resistance); and (3) GS-1-EM0168 (CM82036x'Superb'*2), a double haploid line with moderate Type 1 resistance, and good Type 2 resistance. Five inocula were used: (A) water, (B) FgTri5+ (GZ3639, a trichothecene-producing F. graminearum strain); (C) FgTri5- (GZT40, a trichothecene-non-producing mutant of the F. graminearum strain GZ3639); (D) FgTri5 supplemented with deoxynivalenol (DON), which is the main trichothecene produced by FgTri5+; and (E) DON. The inocula were injected into two spikelets near the center of the spike during early stages of anthesis, and spikelets above and below the inoculation point were collected at 3, 8, and 24 h after inoculation. A zero-hour un-inoculated control was also collected from each line. Total RNA was extracted from collected spikelets, and microarray analysis was perfomed using the Affymetrix Wheat GeneChip.

2011-08-31 | E-GEOD-28973 | biostudies-arrayexpress

Molecular pathogenetic study of Fusarium head blight in highly resistant, resistant and susceptible common wheat (Triticum aestivum L.)

Project description:Fusarium graminearum (F.g) is responsible for Fusarium head blight (FHB), which is a destructive disease of wheat that accumulates mycotoxin such as deoxynivalenol (DON) and makes its quality unsuitable for end use. Several FHB resistant varieties development is going on world-wide. However the complete understanding of wheat defence response, pathogen (Fusarium graminearum) disease development mechanism and the gene crosstalk between organisms is still unclear. In our study focused to analyse pathogen (F. graminearum) molecular action in different Fusarium head blight resistance cultivars during the disease development. To understand the Fusarium graminearum pathogen molecular reaction, microarray gene expression analysis was carried out by using Fusarium graminearum (8 x 15k) Agilent arrays at two time points (3 & 7 days after infection) on three wheat genotypes (Japanese landrace cv. Nobeokabouzu-komugi - highly resistant, Chinese cv. Sumai 3 - resistant and Australian cv. Gamenya - susceptible), which spikes infected by Fusarium graminearum ‘H-3’strain. During the disease development the pathogen biomass as well as the expression of Trichothecene biosynthesis involved genes (Tri genes) in three wheat cultivars was determined. In our material no relation between fungus biomass and the disease symptoms were observed, however, it showed relation with fungus virulence factors expression (Tri genes). For the first time, we report the nature of Fusarium graminearum gene expression in the FHB-highly resistant cv. Nobeokabouzu-komugi during the disease development stage and the possible underlying molecular response.

2015-03-14 | GSE66772 | GEO

[E-MTAB-513] Illumina Human Body Map 2.0 Project

Project description:Illumina bodyMap2 transcriptome Transcription profiling by high throughput sequencing of individual and mixture of 16 human tissues RNA. Additional supplementary files available at foot of this record. Additional information available as supplementary files at the foot of this record. ArrayExpress Release Date: 2011-03-17 Person Roles: submitter Person Last Name: Khrebtukova Person First Name: Irina Person Mid Initials: Person Email: ikhrebtukova@illumina.com Person Phone: 1-510-723-9219 Person Address: 25861 Industrial Blvd, Hayward CA 94545, USA Person Affiliation: Illumina

2011-07-14 | GSE30611 | GEO

Transcriptomic analysis of F. graminearum disease response in near-isogenic resistant and susceptible hexaploid wheat lines

Project description:Fusarium graminearum causes Fusarium head blight (FHB), which represents one of the major wheat diseases worldwide, determining reduction in grain quality, yield and the accumulation of mycotoxins. To mine the molecular response associated to the wheat 2DL FHB resistance quantitative trait locus (QTL), derived from the cultivar Wuhan-1, and to identify candidate genes implicated in such resistance, a comprehensive transcriptomic analysis of the early response to F. graminearum infection at 3 days post inoculation of spikelet and rachis was performed with the RNA-Seq and miRNA-Seq techniques. The analyses were conducted on two Near Isogenic Lines (NILs) differing for the presence of the 2DL QTL (2-2618, resistant 2DL+ and 2-2890, susceptible null).

2018-02-28 | E-MTAB-6383 | biostudies-arrayexpress

RNA profiling of Fusarium head blight-resistant wheat addition lines containing the Thinopyrum elongatum chromosome 7E

Project description:Fusarium head blight (FHB) is a major disease of cereal crops caused by the fungus Fusarium graminearum (Fg). FHB affecting the flowering heads (or spikes). A FHB resistance locus has been identified on the chromosome 7E of the wild wheat relative Thinopyrum elongatum (Th.e.). That chromosome (7E) or a long arm fragment of it (7EL) have been transferred as additions in the wheat background 'Chinese Spring' (CS). The two addition lines are resistant to FHB while 'Chinese Spring' is moderately susceptible to it. The mechanism of resistance is not known. The analysis of this work is published in the Canadian Journal of Plant Pathology (Wang et al, 2010). We used the wheat microarray to determine the global expression profil in inoculated spikelets of the addition and parental lines, after water or Fg treatment, with samplings at 2 and 4 days after inoculation (DAI).

2010-06-23 | E-GEOD-21386 | biostudies-arrayexpress

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