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Time-course bud expression data from Populus deltoides

ABSTRACT: We conducted micro-array analysis to quantify the global transcriptome variations in floral buds through the course of the year allowing for identification of changing developmental signals. We used RNA samples from floral buds, with bud scale removed, in the upper crown of a sexually mature Populus deltoides tree 2 hours after sunrise. Three independent samples of floral bud tissues with bud scales removes were collected from the upper crown of a single sexually mature male tree. RNA was extracted from tissues and hybridized on Affymetrix Genechip Poplar Genome Array.

ORGANISM(S): Populus deltoides

SUBMITTER: Joshua Adams

PROVIDER: E-GEOD-29335 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Time-course bud expression data from Populus deltoides

Project description:We conducted micro-array analysis to quantify the global transcriptome variations in floral buds through the course of the year allowing for identification of changing developmental signals. We used RNA samples from floral buds, with bud scale removed, in the upper crown of a sexually mature Populus deltoides tree 2 hours after sunrise.

2011-12-29 | GSE29335 | GEO

Comparison of male and female floral organs

Project description:We conducted micro-array analysis to quantify the global transcriptome variations in floral organs of a male and female tree allowing for identification of sex-linked transcripts. We used RNA samples from male floral buds in August and female floral buds in September. Bud scale were removed. While the sampling time differed, the developmental stage of the floral organs was similar between the male and female. Five independent samples of floral bud tissues with bud scales removes were collected from the upper crown of a sexually mature male tree and female tree. RNA was extracted from tissues and hybridized on Affymetrix Genechip Poplar Genome Array.

2011-12-29 | E-GEOD-29336 | biostudies-arrayexpress

Time-course leaf expression data from Populus deltoides

2011-05-23 | GSE24349 | GEO

Time-course leaf expression data from Populus deltoides

Project description:We conducted micro-array analysis to quantify the global transcriptome variations in leaves through the course of the year allowing for identification of changing developmental signals. We used RNA samples from pre-formed and mature leaves in the upper crown of a sexually mature Populus deltoides tree 2 hours after sunrise. Three independent samples of leaf/pre-formed leaf tissues were collected from the upper crown of a single sexually mature tree. RNA was extracted from tissues and hybridized on Affymetrix Genechip Poplar Genome Array. Tissues represented two batches (batch 1 from 2005 and batch 2 from 2006). Therefore, March samples were used to normalize the other month samples within the same batch.

2011-05-23 | E-GEOD-24349 | biostudies-arrayexpress

Comparison of male and female floral organs

2011-12-29 | GSE29336 | GEO

affy_floral_rose-Study of floral initiation and recurrent blooming in rose

Project description:affy_floralangers_rose - affy_floral_rose - - Which genes are induced during floral initiation? - Are the genes involved in floral initiation identical between our 3 genotypes? - Which genes are involved in the control of recurrent blooming in rose? - Which genes are diferentially expressed between buds that will become floral and buds that will remain vegetative?-This project aims to find in rose genes involved in flowering control (floral initiation and recurrent flowering). First, the floral initiation will be observed in 3 genotypes. Then we will check if same genes are regulated within genotypes for this process. Concerning recurrent blooming, we will compare flower bud versus vegetative buds in non-recurrent conditions and finally bud from non-recurrent and recurrent genotypes. Keywords: time course

2011-09-01 | GSE17370 | GEO

affy_floral_rose-Study of floral initiation and recurrent blooming in rose

2011-08-31 | E-GEOD-17370 | biostudies-arrayexpress

Poplar flowering and maturation GeneXp arrays

Project description:To identify candidate genes involved in maturation and flowering, we conducted microarray expression studies using two poplar genotypes (Populus trichocarpa x P. deltoides hybrids) represented in continuous age gradients of one to six years. We designed 70-mers for 228 poplar genes and microarray studies were carried out using the microplate-based 96-well BioGridArray platform (GeneXP Biosciences). Floral buds, vegetative buds and shoot tips were collected at different seasonal time points from juvenile and adult trees and from both basal and upper branches of mature trees. Keywords: Maturation and Flowering

2006-10-11 | GSE3457 | GEO

Transcript Profiling of Arabidopsis Plant Life Cycle

Project description:This series contain all stages Arabidopsis plant development. Stages of development includes unfertilized ovule, 24-Hr post-fertilization seed, globular stage seed, cotyledon stage seed, mature green seed, post-mature green seed, post-germination seedling, rosette leaf, root, stem, and floral bud. Keywords = Arabidopsis Keywords = Seed development Keywords = seedling Keywords = germination Keywords = leaf Keywords = root Keywords = stem Keywords = floral bud Keywords: ordered

2005-01-01 | GSE680 | GEO

RNA-seq Transcriptome Profiling of Tiller Buds in the First Leaf Axil of Phytochrome B mutant (phyB-1) and Wild-type Sorghum from Initiation to Dormancy (phyB-1) and Outgrowth (wild-type)

Project description:Phytochrome B (phyB) enables plants to modify shoot branching or tillering in response to varying light intensities and ratios of red and far-red light caused by shading and neighbor proximity. Tillering is inhibited in sorghum genotypes that lack phytochrome B (58M, phyB-1) until after floral initiation. The growth of tiller buds in the first leaf axil of wild-type (100M, PHYB) and phyB-1 sorghum genotypes is similar until 6 d after planting when buds of phyB-1 arrest growth, while wild-type buds continue growing and develop into tillers. Transcriptome analysis at this early stage of bud development identified numerous genes that were up to 50-fold differentially expressed in wild-type/phyB-1 buds. Up-regulation of terminal flower1, GA2oxidase, and TPPI could protect axillary meristems in phyB-1 from precocious floral induction and decrease bud sensitivity to sugar signals. After bud growth arrest in phyB-1, expression of dormancy-associated genes such as DRM1, GT1, AF1, and CKX1 increased and ENOD93, ACCoxidase, ARR3/6/9, CGA1, and SHY2 decreased. Continued bud outgrowth in wild-type was correlated with increased expression of genes encoding a SWEET transporter and cell wall invertases. The SWEET transporter may facilitate Suc unloading from the phloem to the apoplast where cell wall invertases generate monosaccharides for uptake and utilization to sustain bud outgrowth. Elevated expression of these genes was correlated with higher levels of cytokinin/ sugar signaling in growing buds of wild-type plants.

2017-03-30 | GSE79389 | GEO

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