Heterobasidion annosum 03012
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA182499 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| AOSL01.dat.gz | Other | |||
| AOSL01.fasta.gz | Fasta.gz | |||
| AOSL01.master.dat | Other | |||
| AOSL01.dat.gz | Other |
Items per page: 5 1 - 4 of 4 |
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Project description:Heterobasidion annosum sensu stricto Genome Sequencing
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Project description:Heterobasidion annosum strain:94233 Transcriptome or Gene expression
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Project description:Transcript profiles of H. annosum from mycelium grown on different substrates and under different stresses were analyzed. The array probes were designed from gene models taken from the Joint Genome Institute (JGI, department of energy) H. irregulare genome sequence version 1. One aim of this study was to compare gene expression profiles of H. annosum pre-grown on secondary metabolites from the biocontrol agent Phlebiopsis gigantea. We performed six hybridizations with samples derived from H. annosum grown in either liquid Malt Extract Medium (three biological replicates) or on secondary metabolite from Phlebiopsis gigantea (three biological replicates). The Heterobasidion irregulare custom-exon expression array (4 x 72K) manufactured by Roche NimbleGen Systems Limited (Madison, WI) (http://www.nimblegen.com/products/exp/index.html) contained five independent, non-identical, 60-mer probes per gene model coding sequence. For 12,199 of the 12,299 annotated protein-coding gene models, probes could be designed. For 19 gene models, no probes could be generated, and 81 gene models shared all five probes with other gene models. Included in the array were 916 random 60-mer control probes and labelling controls. For 2032 randomly chosen gene models, technical duplicates were included on the array.
2013-11-01 | E-GEOD-41301 | biostudies-arrayexpress
Project description:This SuperSeries is composed of the following subset Series: GSE10058: Microarray assay of the genetic response of Picea abies to Heterobasidion annosum infection - Loop1 GSE10059: Microarray assay of the genetic response of Picea abies to Heterobasidion annosum infection - Loop2 The hypothesis of the experiment is that infected trees of high resistance express a wider variety of resistance genes than infected trees of low resistance, and that the level of expression of these resistance genes differs between infected and healthy branches. Also, some genes highly expressed in the infected state not expressed in the healthy state may be in response to the wounding rather than the actual infection. By comparing these expressions to that of wounded, uninfected branches, this could also be clarified. Refer to individual Series
2008-05-03 | E-GEOD-11323 | biostudies-arrayexpress
Project description:Heterobasidion annosum gene expression during saprotrophic growth on topsoil (organic layer) from mineral soil, drained and undrained peatland forests.
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Project description:In conifer forests of Northern Europe, a pathogenic fungus Heterobasidion annosum attacks the roots of Scots pine and causes mortality. Trees with infection grow slower and produce less timber with reduced quality. Despite applied control methods, such as switching tree species to a non-host species, or stump treatment, root and butt rot continues to be a serious forest health problem. Disease resistance breeding is a less-applied control method which has potential to improve tree health. However, neither conifer genotypes with absolute resistance to Heterobasidion sp. nor robust selection markers for resistance breeding have been found. We studied the responses of various Scots pine genotypes to Heterobasidion annosum infection and mechanic damage in drained peatland. Stems and roots of mature naturally regenerated Scots pine trees growing in drained peatland were either artificially infected with H. annosum or wounded and inoculated with sterile inoculum. Untreated trees from the study sites served as controls. Responses of different Scots pine genotypes to pathogen infection as determined by lesion size were recorded from samples harvested four months after inoculation, and least susceptible and highly susceptible genotypes were selected from the study material. Analysis of terpenoids from both least susceptible and highly susceptible pine genotypes by gas chromatography coupled with mass spectrometry indicates that some monoterpenes and sesquiterpenes are differentially induced depending on the susceptibility level. Transcriptomic microarray analysis was therefore conducted with RNA from stems of the least susceptible and highly susceptible Scots pine genotypes. Gene expression data from cDNA microarray were analysed by comparisons between the treatments, and the genotypes with different resistance level. The aim of the study is to highlight transcripts specific to differing levels of susceptibility.
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Project description:Heterobasidion annosum gene expression from different tissues and mycelium grown on different substrates and under different biotic and abiotic stresses
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2013-11-01 | GSE41301 | GEO
Project description:Heterobasidion annosum TC 32-I Gene Expression Profiling - TC_CH1 transcriptome
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