Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of Arabidopsis dark grown seedlings response to 6h-long treatment with 90 mM sucrose


ABSTRACT: Dark grown Arabidopsis seedlings (Columbia gl1) were grown in the dark at 23°C for 4 days before adding 90 mM sucrose for 6h. Experiment Overall Design: Arabidopsis thaliana ecotype Columbia glabra (gl1-1) was used in this study. Seeds were sterilized with diluted bleach (10 min incubation in 1.7% sodium hypochlorite, rinsing and washing thoroughly in sterile water), and incubated in 2.5 ml liquid growing medium [Murashige-Skoog (MS) half strength solution] in 6-well plates (fully aerobic, with shaking). Plates were incubated in the darkness at 4°C for 2 days and finally transferred to 23°C for 4 days before the sugar treatments (with 90 mM sucrose, lasting 6h). Two independent, replicated experiments were performed for sucrose treatments. Each independent experiment consisted of four replicated seedlings cultures, pooled after RNA extraction. Experiment Overall Design: AIR EXPERIMENT 1: Control without added sucrose Experiment Overall Design: AIR EXPERIMENT 2: Control without added sucrose Experiment Overall Design: Sucrose 90 mM, 6h treatment in the dark, Biological Replicate 1 Experiment Overall Design: Sucrose 90 mM, 6h treatment in the dark, Biological Replicate 2

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Pierdomenico Perata 

PROVIDER: E-GEOD-3704 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Identification of sugar-modulated genes and evidence for in vivo sugar sensing in Arabidopsis.

Gonzali Silvia S   Loreti Elena E   Solfanelli Cinzia C   Novi Giacomo G   Alpi Amedeo A   Perata Pierdomenico P  

Journal of plant research 20060207 2


Sugar status regulates mechanisms controlling growth and development of plants. We studied the effects of sucrose at a genome-wide level in dark-grown 4-day-old Arabidopsis thaliana seedlings, identifying 797 genes strongly responsive to sucrose. Starting from the microarray analysis data, four up-regulated (At5g41670, At1g20950, At1g61800, and At2g28900) and four down-regulated (DIN6, At4g37220, At1g28330, and At1g74670) genes were chosen for further characterisation and as sugar sensing marker  ...[more]

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