Dataset Information


Transcription profiling by array of three inbred lines of maize affected by chilling treatment

ABSTRACT: We investigated chilling response of seedlings of three inbred maize lines: chilling tolerant S68911, chilling-sensitive S160 and moderate chilling-sensitive S50676. Kernels were germinated in wet sand in darkness at 25C. Seedlings were transferred to growth chamber (photoperiod 14/10h, temperature 24, light 250 umol quanta x m-2 x s-1), grown till the third-leaf stage and used in experiment. Chilling treatment started at the start of the dark period and lasted 38h (10h dark, 14h light,10h dark, 4h light). Growth conditions was as previously described but temperature was set to 14 (light/dark). At the same time control plants were grown as previously described. There were three biological replications of hybridization scheme.

ORGANISM(S): Zea mays  

SUBMITTER: Maciej Jonczyk  

PROVIDER: E-MEXP-3508 | ArrayExpress | 2016-02-14


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Recent progress in selective breeding of maize (Zea mays L.) towards adaptation to temperate climate has allowed the production of inbred lines withstanding cold springs with temperatures below 8 °C or even close to 0 °C, indicating that despite its tropical origins maize is not inherently cold-sensitive.Here we studied the acclimatory response of three maize inbred lines of contrasting cold-sensitivity selected basing on multi-year routine field data. The field observations were confirmed in th  ...[more]

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