Proteomics

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Genetic variation of maize responses to low temperatures in the field

ABSTRACT: Eighteen genetically-diverse maize hybrids (Zea mays, dent lines crossed to a flint inbred-line) were cultivated in the field. Two conditions of cultivation were analyzed: normal sowing and early sowing. Upon early sowing plants grew under lower temperatures than upon normal sowing. Young leaves were harvested for proteomics quantitative analysis after a thermal time (equivalent number of days after emergence at 20°C) of 17 to 18. Three replicates per genotype/condition combination were analyzed. Each replicate was made up of the mix of leaf samples of five different plants.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Zea Mays (maize)

TISSUE(S): Leaf

SUBMITTER: Thierry Balliau  

LAB HEAD: Michel Zivy

PROVIDER: PXD021754 | Pride | 2021-01-19

REPOSITORIES: Pride

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Dataset's files

Source:
Action DRS
20160427_amaizingfroid_ama_10_A4.mzXML Mzxml
20160427_amaizingfroid_ama_10_A4.xml Xml
20160427_amaizingfroid_ama_11_A5.mzXML Mzxml
20160427_amaizingfroid_ama_11_A5.xml Xml
20160427_amaizingfroid_ama_13_A6.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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