Proteomics

Dataset Information

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Genetic variation of maize responses to low temperatures in controlled conditions

ABSTRACT: Eighteen genetically-diverse maize hybrids (Zea mays, dent lines crossed to a flint inbred-line) were cultivated in a growth-chamber at optimal temperature (20°C) for three weeks. They were then submitted to three successive steps of decreasing temperature ( 16, 13 and 8.5°C). Each step lasted two days. Samples were taken on the youngest ligulated leaf (fourth or fifth leaf) at the end of the period at 20°C and at the end of each temperature step. Three replicates per genotype/ temperature combination were analyzed. Each replicate was made up of the mix of leaf samples from different plants.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Zea Mays (maize)

TISSUE(S): Leaf

SUBMITTER: Thierry Balliau  

LAB HEAD: Michel Zivy

PROVIDER: PXD021790 | Pride | 2021-01-19

REPOSITORIES: Pride

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Dataset's files

Source:
Action DRS
100T2R2P5_Repassage_2017_2.mzXML Mzxml
100T2R2P5_Repassage_2017_2.xml Xml
101T2R2P6_Repassage_2017_2.mzXML Mzxml
101T2R2P6_Repassage_2017_2.xml Xml
102T2R2P7_Repassage_2017_2.mzXML Mzxml
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Publications

Maize metabolome and proteome responses to controlled cold stress partly mimic early-sowing effects in the field and differ from those of Arabidopsis.

Urrutia Maria M   Blein-Nicolas Mélisande M   Prigent Sylvain S   Bernillon Stéphane S   Deborde Catherine C   Balliau Thierry T   Maucourt Mickaël M   Jacob Daniel D   Ballias Patricia P   Bénard Camille C   Sellier Hélène H   Gibon Yves Y   Giauffret Catherine C   Zivy Michel M   Moing Annick A  

Plant, cell & environment 20210125 5

In Northern Europe, sowing maize one-month earlier than current agricultural practices may lead to moderate chilling damage. However, studies of the metabolic responses to low, non-freezing, temperatures remain scarce. Here, genetically-diverse maize hybrids (Zea mays, dent inbred lines crossed with a flint inbred line) were cultivated in a growth chamber at optimal temperature and then three decreasing temperatures for 2 days each, as well as in the field. Leaf metabolomic and proteomic profile  ...[more]

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