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Diurnal Regulation of Gene Expression in Leaves and Immature Ears Over a 72-Hour Period

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Zea mays

PROVIDER: GSE23918 | GEO | 2010/09/02

SECONDARY ACCESSION(S): PRJNA130519

REPOSITORIES: GEO

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Diurnal Regulation of Gene Expression in Leaves and Immature Ears Over a 72-Hour Period

Project description:This SuperSeries is composed of the following subset Series: GSE23916: Diurnal Regulation of Gene Expression in Immature Ear Over a 72-Hour Period GSE23917: Diurnal Regulation of Gene Expression in Leaves Over a 72-Hour Period Refer to individual Series

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Diurnal Regulation of Gene Expression in Leaves Over a 72-Hour Period

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Project description:Background: Plant diurnal rhythms are vital environmental adaptations to coordinate internal physiological responses to alternating day-night cycles. A comprehensive view of diurnal biology has been lacking for maize (Zea mays), a major world crop. Methodology: A photosynthetic tissue, the leaf, and a non-photosynthetic tissue, the developing ear, were sampled under natural field conditions. Genome-wide transcript profiling was conducted on a high-density 105K Agilent microarray to investigate diurnal rhythms. The top-most immature ear, 4-5 cm in length, was collected. Plants were sampled every 4 hours over 3 days. Our sampling times were: 6 am (dawn), 10 am, 2 pm, 6 pm, 10 pm and 2 am. Tissues were collected from three field reps and within each field rep we collected samples from three individual plants

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