Eucalyptus globulus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA12504 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| DRR000893.fastq.gz | Fastqsanger.gz | |||
| SRR10768429.fastq.gz | Fastqsanger.gz | |||
| SRR10803491.fastq.gz | Fastqsanger.gz | |||
| SRR10958733.fastq.gz | Fastqsanger.gz |
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Project description:Eucalyptus globulus (Labill.) is used for pulp and paper production worldwide. In this report we studied changes in protein expression in one osmotically stressed elite clone widely used in industrial plantations in Spain. High molecular weight polyethylene glycol (PEG) was used as an osmoticum in the growing medium. Roots of rooted cuttings were sampled after 3 and 36 hours of treatment. Water potential and abscissic acid content were measured in shoot and root apices to characterize the physiological states of the plants. Total soluble proteins from roots were extracted and separated using two-dimensional gel electrophoresis (2-DE). Gels were stained with Coomassie brillant blue for quantitative analysis of protein accumulation. From a total of 406 reproducible spots, 34 were found to be differentially expressed depending on treatment (osmotic versus control condition) and/or stress duration (3h versus 36h), and were further characterized by tandem mass spectrometry. Several proteins were reliably identified including adenosine kinase, actin, stress-related proteins as well as proteins associated to cellular processes, among which some residents of the endoplasmic reticulum. This study constitutes the first investigation of the root proteome in this important forest tree genus.
2010-10-21 | PRD000227 | Pride
Project description:In order to pinpoint the most differentially expressed genes between Eucalyptus grandis leaf blades and vascular (xylem) tissues as well as between E. grandis and Eucalyptus globulus xylem tissues, a total number of nine 50mer-oligoprobes covering the length of each one of 21,432 unique sequences derived from the Genolyptus EST dataset were synthesized “on-chip” in duplicate, randomly distributed in two blocks of each slide. Probes were also synthesized from ten cDNA sequences encoding known human proteins as negative controls, totaling 21,442 sequences. Leaves and xylem samples were taken from two E. grandis clonal trees, i.e., both derived from the same matrix tree and harboring the same genotype. Two additional xylem samples were collected from two other E. grandis clonal trees of a different genotype, as well as from two E. globulus clonal trees. Therefore, ten cDNA samples and ten identical chips were produced at Roche NimbleGen for the microarray assays, with a total number of 385,956 features per slide. Besides the discovery of differentially expressed genes between leaf and xylem, we wanted to test the validity of the assumed “technical” and “biological duplicates” since all trees were field-grown and four years-old in age. A ten chip study using total RNA recovered from mature leaf and vascular (xylem) tissues of Eucalyptus grandis and xylem from Eucalyptus globulus trees. Two clonal trees of E. grandis (E.grandis_Clone A_Ramet 1 and E.grandis_Clone A_Ramet 2), derived from a single matrix tree and therefore genomically identical, were the source of two samples of leaf RNA and two samples of xylem RNA, individually hybridized to four chips after cDNA synthesis/Cy3 labeling. Two other clonal trees of E. grandis (E.grandis_Clone B_Ramet 1 and E.grandis_Clone B_Ramet 2), derived from a different matrix tree, were the source of two additional samples of xylem RNA individually hybridized to four chips after cDNA synthesis/Cy3 labeling. Likewise, two pairs of clonal trees of E. globulus (E.globulus_Clone A_Ramet 1 and E.globulus_Clone A_Ramet 2/ E.globulus_Clone B_Ramet 1 and E.globulus_Clone B_Ramet 2), derived from two distinct matrix trees, were the source of four additional samples of xylem RNA, individually hybridized to four chips after cDNA synthesis/Cy3 labeling. Each chip measures the expression level of 21,432 genes from Eucalyptus sp. and ten human genes (negative controls) with nine 50-mer probe pairs (PM/MM) per gene in two separate blocks per chip (technical duplicate), totalizing 18 hybridization signal values per gene per chip.
2011-12-31 | E-GEOD-31696 | biostudies-arrayexpress
Project description:Eucalyptus tereticornis, fast growing Eucalyptus species
| PRJNA38679 | ENA
Project description:In order to pinpoint the most differentially expressed genes between Eucalyptus grandis leaf blades and vascular (xylem) tissues as well as between E. grandis and Eucalyptus globulus xylem tissues, a total number of nine 50mer-oligoprobes covering the length of each one of 21,432 unique sequences derived from the Genolyptus EST dataset were synthesized “on-chip” in duplicate, randomly distributed in two blocks of each slide. Probes were also synthesized from ten cDNA sequences encoding known human proteins as negative controls, totaling 21,442 sequences. Leaves and xylem samples were taken from two E. grandis clonal trees, i.e., both derived from the same matrix tree and harboring the same genotype. Two additional xylem samples were collected from two other E. grandis clonal trees of a different genotype, as well as from two E. globulus clonal trees. Therefore, ten cDNA samples and ten identical chips were produced at Roche NimbleGen for the microarray assays, with a total number of 385,956 features per slide. Besides the discovery of differentially expressed genes between leaf and xylem, we wanted to test the validity of the assumed “technical” and “biological duplicates” since all trees were field-grown and four years-old in age.
2011-12-31 | GSE31696 | GEO
Project description:Fast growing Eucalyptus species widely distributed in eastern Australia.
| PRJNA38573 | ENA