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Populus tremuloides

ABSTRACT: Quaking aspen is a deciduous tree growing widely in North America.

PROVIDER: PRJNA13258 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2748660_1.fastq.gz	Fastqsanger.gz
	SRR2748660_2.fastq.gz	Fastqsanger.gz
	SRR2748661_1.fastq.gz	Fastqsanger.gz
	SRR2748661_2.fastq.gz	Fastqsanger.gz
	SRR2748652_1.fastq.gz	Fastqsanger.gz

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24-hour herbivory exposure of VHb-expressing Populus tremula x Populus tremuloides

2013-04-24 | GSE46331 | GEO

Transcription profiling of autumn senescence in populus Leaves

Project description:Gene expression profiling in leaves of a free-growing aspen tree (Populus tremula) in Umea in northern Sweden during natural autumn senescence (from August 17 to September 21).

2004-03-09 | E-MEXP-93 | biostudies-arrayexpress

Hybrid aspen (Populus tremula x tremuloides) cambial zone RNA-sequencing with 35um wide fraction scheme

Project description:Aim of the project: Genome wide gene expression profiles across the cambial zone are analyzed in 35um resolution from wild type hybrid aspen (Populus tremula x tremuloides) and two independent LMX5::AtIPT7 over expressor transgenic Populus tree lines.

2016-07-14 | E-MTAB-4631 | biostudies-arrayexpress

Gene expression response of Populus tremuloides cell suspension cultures to salicyl alcohol feeding

2010-01-21 | GSE18360 | GEO

24-hour herbivory exposure of VHb-expressing Populus tremula x Populus tremuloides

Project description:The expression of stress-related genes induced by feeding of chestnut moth larvae (Conistra vaccinii L.) was studied with Vitreoscilla hemoglobin-expressing (VHb) and non-transgenic hybrid aspen lines (Populus tremula x P. tremuloides). Besides the herbivore-injured leaves (L1), cDNA microarray analyses were conducted using uninjured leaves of hybrid aspen lines positioned above (A) and below (B) the herbivory exposed leaves. Two-condition experiment, control vs. herbivory exposure. Two hybrid aspen lines: non-transgenic V617 and VHb expressing V617 /45. Of each plant, three leaf types were analysed: the injured/uninjured leaf (L1) and nonorthostichous leaf positioned above (A) and below (B). Biological replicates: 3. On each array, two samples representing L1, A or B leaf type of control and herbivory treatment of either V617 or V617/45 line. line V617: wt_A_rep1-3, wt_B_rep1-3, wt_L1_rep1-3 line V617/45: VHb_A_rep1-3, VHb_B_rep1-3, VHb_L1_rep1-3 leaf type A: wt_A_rep1-3, VHb_A_rep1-3 leaf type B: wt_B_rep1-3, VHb_B_rep1-4 leaf type L1: wt_L1_rep1-3, VHb_L1_rep1-5

2013-04-24 | E-GEOD-46331 | biostudies-arrayexpress

Populus tremula x Populus tremuloides

Project description:Fast growing aspen hybrid that has fibres of narrow diameter and thin walls

| PRJNA13255 | ENA

A time series of autumn senescence leaves from populus tremula

Project description:A gene expression analysis of the changes in in popolulus tremula during the autumn sensencece. Leaves were analyzed from late summer and late into autumn. Cytokinins are plant hormones that typically block or delay leaf senescence. We profiled 34 different cytokinins/cytokinin metabolites (including precursors, conjugates and degradation products) in leaves of a free-growing mature aspen (Populus tremula) before and after the initiation of autumnal senescence over three consecutive years. The levels and profiles of individual cytokinin species, or classes/groups, varied greatly between years, despite the fact that the onset of autumn senescence was at the same time each year, and senescence was not associated with depletion of either active or total cytokinin levels. Levels of aromatic cytokinins (topolins) were low and changed little over the autumn period. Diurnal variations and weather-dependent variations in cytokinin content were relatively limited. We also followed the expression patterns of all aspen genes implicated as having roles in cytokinin metabolism or signaling, but neither the pattern of regulation of any group of genes nor the expression of any particular gene supported the notion that decreased cytokinin signaling could explain the onset of senescence. Based on the results from this tree, we therefore suggest that cytokinin depletion is unlikely to explain the onset of autumn leaf senescence in aspen.

2016-12-11 | GSE86960 | GEO

Gene expression response of Populus tremuloides cell suspension cultures to salicyl alcohol feeding

Project description:Aspen cell cultures were fed 5 mM salicyl alcohol at the early exponential phase (5 days after subculture). Cells were harvested from fed (SL) or unfed (C) cells after 48 hours. Gene expression changes were analyzed using a custom 7K aspen EST array. RNA was extracted from 3 independent control (C) and 3 salicyl alcohol-fed (SL) samples, and one control and one treated sample were randomly paired for hybridization (3 biological replicates). Dye-swap hybridizations were carried out for each pair of samples.

2010-05-15 | E-GEOD-18360 | biostudies-arrayexpress

Transcript expression data from Populus euphratica shoots subjected to salt stress

Project description:Populus euphratica is a medium-sized deciduous tree naturally grown in high saline condition, however, the molecular response of the poplar to salinity at global genome level maintain to be elucidated. We used Affymetrix poplar genome microarrays to investigate the full transcript expression exposed to different salt intensities and identified significantly changed transcripts within the 24 hours after exposed to salt stress.

2016-11-12 | GSE52305 | GEO

Populus tremuloides

Project description:Comparison of 2 aspen genotypes having similar carbon assimilation rates but different allocation patterns under elevated CO2

| PRJNA111943 | ENA