GEO DataSets

(Submitter supplied) Background: With the increasing interest in metabolic engineering of plants using various genetic manipulation and gene editing technologies in order to enhance their growth, nutritional value and environmental adaptation, a major concern is the potential of broad and distant effects of manipulating the target gene or the metabolic step in the resulting plant. A comprehensive transcriptomic and metabolomic analysis of the product may shed some useful light in this regard. more...

Organism:

Populus trichocarpa x Populus deltoides; Populus maximowiczii x Populus nigra; Populus euphratica; Populus tremula x Populus alba

Type:

Expression profiling by array

Platform:

GPL8473

24 Samples

Download data: TXT

(Submitter supplied) Adventitious roots (AR) develop from tissues other than the primary root, in a developmental process physiologically regulated by phytohormones. Adventitious roots provide structural support and contribute to water and nutrient absorption, and are critical for commercial vegetative propagation of several crops. Here we quantified the number of AR, root architectural traits and root biomass in cuttings from a pseudo-backcross population of Populus deltoides and Populus trichocarpa. more...

Organism:

Populus trichocarpa x Populus deltoides; Populus trichocarpa

Type:

Expression profiling by array

Platform:

GPL20736

120 Samples

Download data

(Submitter supplied) Expression of defense response-related transcripts could be affected upon leaf wounding such as after excision of leaf disks. In this experiment, transcripts were isolated from whole leaves and 5-cm2 excised leaf disks samples from interaction assays between leaves of the 'Beaupré' poplar cultivar (Poplus trichocarpa x Poplus deltoides) and virulent (98AG31, compatible interaction) and avirulent (93ID6, incompatible interaction) urediniospores of Melampsora larici-populina, the fungus responsible for the foliar rust disease in poplar. more...

Organism:

Populus trichocarpa; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platform:

GPL13485

12 Samples

Download data: PAIR

(Submitter supplied) Microarray technology was used to assess transcriptome changes in poplar (Populus alba L.) under a realistic simulation of increased UV-B radiation. Plants were UV-Bbe (UV-B biologically effective radiation) supplemented with a dose of 6 kJ/m2/day for 12 hours per day and allowed to recover during the night. Poplar plants were UV-B treated using a refined controlled environment able to guarantee a realistic simulation of natural conditions, especially for light parameters such as presence of background UV-B radiation for control plants and balanced PAR/UV-A/UV-B ratio. more...

Organism:

Populus alba; Populus euphratica; Populus tremula x Populus alba; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platforms:

GPL6036 GPL6032

8 Samples

Download data: GPR

(Submitter supplied) Canola (oilseed rape, Brassica napus L.), is susceptible to infection by the biotrophic protist Plasmodiophora brassicae, the causal agent of clubroot. To understand the roles of microRNAs (miRNAs) during the post-transcriptional regulation of disease initiation and progression, we have characterized the changes in miRNA expression profiles in canola roots during clubroot disease development and have compared these to uninfected roots. more...

Organism:

Pinus taeda; Liriodendron tulipifera; Phaseolus vulgaris; Ipomoea batatas; Lactuca sativa; Oryza rufipogon; Oryza nivara; Sorghum bicolor; Rorippa indica; Prunus salicina; Populus tremula; Malcolmia maritima; Physcomitrium patens; Persea americana; Populus trichocarpa x Populus deltoides; Malus domestica; Nicotiana sylvestris; Nicotiana tabacum; Petunia x hybrida; Oryza sativa; Lolium arundinaceum; Lotus japonicus; Cenchrus ciliaris; Populus tremula x Populus tremuloides; Nasturtium officinale; Picea glauca; Populus tremuloides; Populus trichocarpa; Prunus persica; Medicago truncatula; Nicotiana benthamiana; Hordeum vulgare; Ipomoea nil; Prunus armeniaca; Peridictyon sanctum; Oryza barthii; Hordeum vulgare subsp. vulgare; Oenocarpus bataua; Picea sitchensis; Brassica napus; Lupinus luteus; Phaseolus coccineus; Manihot esculenta; Ricinus communis; Oryza brachyantha; Cenchrus americanus; Phleum pratense; Panicum virgatum; Nuphar advena

Type:

Non-coding RNA profiling by array

Platform:

GPL17805

4 Samples

Download data: TXT

(Submitter supplied) Young poplar stems show a preponderantly primary growth in the top internodes and differential cambium activity in the basal internodes after inclination with some tension wood formed after 45 min. This study was conducted in order to characterize the early changes in gene expression during early stages of the gravitropic response in the poplar.

Organism:

Populus trichocarpa x Populus deltoides; Populus tremula x Populus alba

Type:

Expression profiling by array

Platform:

GPL17010

4 Samples

Download data: GPR, TXT

(Submitter supplied) The identification of early-expressed pathogen effectors and early-modulated host functions is currently a major goal to understand the molecular basis of biotrophic lifestyle. Melampsora larici-populina isolates 98AG31 and 93ID6, respectively virulent and avirulent on the hybrid P. trichocarpa x P. deltoides poplar cultivar ‘Beaupré’ were used in this study. Inoculations were performed on 5 cm2 leaf disks. more...

Organism:

Populus trichocarpa x Populus deltoides; Populus trichocarpa

Type:

Expression profiling by array

Platform:

GPL13485

6 Samples

Download data: PAIR

(Submitter supplied) Drought-treated and corresponding control root tissue of poplar was subjected to array analyses

Organism:

Populus trichocarpa x Populus deltoides; Populus tremula x Populus alba; Populus nigra; Populus euphratica

Type:

Expression profiling by array

Platform:

GPL6036

6 Samples

Download data: GPR

(Submitter supplied) Transcriptional profiling of primary xylem tranformed cells comparing control empty vector to PtaHB-1 overexpressed Over-expression constructs were obtained by inserting the complete coding sequences of PtaHB1 and PtaHB7 from P. tremula x P. alba between the maize ubiquitin promoter (Christensen et al., 1992) and a 35S terminator into the pCambia1305.2 vector (www.cambia.org). The resulting plasmids were then transferred into A. more...

Organism:

Populus trichocarpa x Populus deltoides; Populus tremula x Populus alba

Type:

Expression profiling by array

Platform:

GPL11055

8 Samples

Download data: TXT

(Submitter supplied) A microarray analysis of whole-genome gene expression in roots was carried out in a (Populus trichocarpa X Populus deltoides) X Populus deltoides pseudo-backcross pedigree. Genetic variation in gene expression was quantified for 55,793 predicted gene models based on a single probe per gene. Resultant data contributed to the analysis of the genetic architecture of gene expression in roots of Populus.

Organism:

Populus trichocarpa; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platform:

GPL7234

163 Samples

Download data: TXT

(Submitter supplied) A microarray analysis of whole-genome gene expression in leaves was carried out in a (Populus trichocarpa X Populus deltoides) X Populus deltoides pseudo-backcross pedigree. Genetic variation in gene expression was quantified for 55,793 predicted gene models based on a single probe per gene. Resultant data contributed to the analysis of the genetic architecture of gene expression in leaves of Populus.

Organism:

Populus trichocarpa; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platform:

GPL7234

183 Samples

Download data: TXT

(Submitter supplied) Over recent decades the progression of natural autumnal senescence has been increasingly delayed across wide areas of the Northern Hemisphere and is thought to be caused by rising temperature. Recently this delay has been shown to be partly attributable to rising atmospheric carbon dioxide concentrations [CO2]. Here, for the first time, we present a possible mechanistic explanation for this phenomenon. more...

Organism:

Populus trichocarpa x Populus deltoides; Populus tremula x Populus alba; Populus x canadensis; Populus euphratica

Type:

Expression profiling by array

Platforms:

GPL8473 GPL8472

13 Samples

Download data: GPR

(Submitter supplied) A transcriptome analysis of P. alba cambial zone was performed with the aim to unravel the gene network underlying the response to water deficit within the cambium and the differentiating derivatives cambial cells. Water stress was induced on one-year-old plant of Populus alba by withholding water for 9 days. At that time, leaf Ψpd fell down to -0,8 MPa resulting in a significant reduction of the stomatal conductance, CO2 assimilation, consistent increment of stem shrinkage and cessation of the radial growth. more...

Organism:

Populus tremula x Populus alba; Populus trichocarpa x Populus deltoides; Populus alba; Populus euphratica

Type:

Expression profiling by array

Platform:

GPL6036

12 Samples

Download data: GPR

(Submitter supplied) Drought is one of the major factor that limits crop production and reduces yield. To understand the early response of plants under nearly natural conditions, pepper plants were grown in a greenhouse and drought stressed by withholding water for one week. Plants adapted to the decreasing water content of the substrate by adjustment of their osmotic potential in roots by accumulation of raffinose, glucose, galactinol and proline. more...

Organism:

Populus trichocarpa x Populus deltoides; Capsicum annuum; Zea mays; Populus tremula x Populus alba; Solanum tuberosum; Homo sapiens; Pinus pinaster; Ipomoea batatas; Populus euphratica; Triticum aestivum

Type:

Expression profiling by array

Platform:

GPL9451

8 Samples

Download data: GPR

(Submitter supplied) TA inhibits cellulose synthesis but its actual mode of action is unknown. Addition of TA to hybrid poplar (Populus trichocarpa x Populus deltoides) cell suspensions can activate a cellular program leading to cell death. In contrast, it is possible to habituate hybrid poplar cell cultures to grow in the presence of TA levels that would normally induce cell death. This habituation was performed by adding increasing levels of TA to cell cultures at the time of subculture over a period of 12 months. more...

Organism:

Populus trichocarpa x Populus deltoides; Populus sp.

Type:

Expression profiling by array

Platform:

GPL4359

6 Samples

Download data: CEL

(Submitter supplied) cDNA macroarray expression profiling was carried out in poplar roots in order to identify genes regulated in response to exposition to copper stress. For this purpose, plants of a Populus deltoides clone grown in a hydroponic system during four weeks were incubated in a nutrient solution (Hoagland's modiefied salt, ¼ strength) supplemented with copper (0 µM (control), 30 µM and 60 µM). Roots were sampled at 12 and 24 h after exposition in a time-course experiment.

Organism:

Populus deltoides; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platform:

GPL4887

18 Samples

Download data: TXT

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Populus trichocarpa x Populus deltoides; Populus

Type:

Expression profiling by array

Platform:

GPL5921

60 Samples

Download data: TIFF

(Submitter supplied) We investigated the transcriptional response of hybrid poplar (Populus trichocarpa x deltoides) source and sink leaves to simulated herbivory (mechanical wounding plus the application of Malacosoma disstria oral secretions) over a 24 hour time course. Experiments were conducted using clonal trees under greenhouse conditions at the University of British Columbia. We used the 15.5K poplar cDNA microarray platform previously described by Ralph et al. more...

Organism:

Populus; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platform:

GPL5921

8 Samples

Download data: TIFF

(Submitter supplied) We investigated the transcriptional response of hybrid poplar (Populus trichocarpa x deltoides) source and sink leaves to simulated herbivory (mechanical wounding plus the application of Malacosoma disstria oral secretions) over a 24 hour time course. Experiments were conducted using clonal trees under greenhouse conditions at the University of British Columbia. We used the 15.5K poplar cDNA microarray platform previously described by Ralph et al. more...

Organism:

Populus; Populus trichocarpa x Populus deltoides

Type:

Expression profiling by array

Platform:

GPL5921

54 Samples

Download data: TIFF

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Populus trichocarpa x Populus deltoides; Populus deltoides; Populus tremula x Populus alba; Populus euphratica; Populus trichocarpa

Type:

Expression profiling by array

Platforms:

GPL6032 GPL6596

12 Samples

Download data: GPR, TXT