Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Time-course leaf expression data from Populus deltoides

ABSTRACT: 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.

ORGANISM(S): Populus deltoides

SUBMITTER: Joshua Adams 

PROVIDER: E-GEOD-24349 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Annual plants grow vegetatively at early developmental stages and then transition to the reproductive stage, followed by senescence in the same year. In contrast, after successive years of vegetative growth at early ages, woody perennial shoot meristems begin repeated transitions between vegetative and reproductive growth at sexual maturity. However, it is unknown how these repeated transitions occur without a developmental conflict between vegetative and reproductive growth. We report that func  ...[more]

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