Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of Arabidopdis seedlings - heat, anoxia, and combined heat-anoxia treatments


ABSTRACT: Anoxia induces several heat shock proteins and a heat pre-treatment can acclimatize Arabidopsis seedlings to a subsequent anoxic treatment. In this work we analyzed the response of Arabidopsis seedlings to anoxia, heat and a combined heat+anoxia stress. A significant overlapping between the anoxic and heat shock responses has been observed by whole-genome microarray analysis. Experiment Overall Design: We treated Arabidopsis seedling, 4-days old, dark germinated with: Experiment Overall Design: -Control (23°C, dark, liquid Murashige-Skoog medium containing 30mM sucrose). Experiment Overall Design: -Heat-treated (38°C for 90 minutes, dark, liquid Murashige-Skoog medium containing 30mM sucrose). Experiment Overall Design: -Anoxia-treated (23°C, under anoxia for 6h, dark, liquid Murashige-Skoog medium containing 30mM sucrose). Experiment Overall Design: -combined heat+Anoxia-treatment (23°C, treated at 38°C for 90 min and thereafter under anoxia for 6h, dark, liquid Murashige-Skoog medium containing 30mM sucrose). Experiment Overall Design: Two biological replicates for each condition.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Pierdomenico Perata 

PROVIDER: E-GEOD-16222 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

The heat-inducible transcription factor HsfA2 enhances anoxia tolerance in Arabidopsis.

Banti Valeria V   Mafessoni Fabrizio F   Loreti Elena E   Alpi Amedeo A   Perata Pierdomenico P  

Plant physiology 20100120 3


Anoxia induces several heat shock proteins, and a mild heat pretreatment can acclimatize Arabidopsis (Arabidopsis thaliana) seedlings to subsequent anoxic treatment. In this study, we analyzed the response of Arabidopsis seedlings to anoxia, heat, and combined heat + anoxia stress. A significant overlap between the anoxic and the heat responses was observed by whole-genome microarray analysis. Among the transcription factors induced by both heat and anoxia, the heat shock factor A2 (HsfA2), know  ...[more]

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