Proteomics

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Impact of a mild nitrogen deficit on the leaf proteome of field-grown maize hybrids

ABSTRACT: A proteomic and metabolomic approach was conducted to decipher the biochemical bases of silage maize N utilization and metabolism in relation to growth and productivity. Leaf samples were collected on plants cultivated in the field, where they were subjected to optimal and low N fertilization treatments. The proteomic and metabolomic responses to low N was thus analyzed in 29 hybrids (29 different dent inbred lines crossed with the same flint inbred line). Ecophysiological and agronomic traits were measured on plants cultivated in the same fields. Multivariate analyses allowed us to connect the data obtained at these different levels of integration and to analyse the genetic variation of susceptibility to low N.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Zea Mays (maize)

TISSUE(S): Leaf

SUBMITTER: Thierry Balliau  

LAB HEAD: Moing Annick

PROVIDER: PXD034145 | Pride | 2025-05-06

REPOSITORIES: pride

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Dataset's files

Source:
Action DRS
20160804_amaizing_azote_1.mzXML Mzxml
20160804_amaizing_azote_1.xml Xml
20160804_amaizing_azote_10.mzXML Mzxml
20160804_amaizing_azote_10.xml Xml
20160804_amaizing_azote_100.mzXML Mzxml
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Publications

Identification of metabolic and protein markers representative of the impact of mild nitrogen deficit on agronomic performance of maize hybrids.

Urrutia Maria M   Blein-Nicolas Mélisande M   Fernandez Olivier O   Bernillon Stéphane S   Maucourt Mickaël M   Deborde Catherine C   Balliau Thierry T   Rabier Dominique D   Bénard Camille C   Prigent Sylvain S   Quilleré Isabelle I   Jacob Daniel D   Gibon Yves Y   Zivy Michel M   Giauffret Catherine C   Hirel Bertrand B   Moing Annick A  

Metabolomics : Official journal of the Metabolomic Society 20241109 6

<h4>Introduction</h4>A better understanding of the physiological response of silage maize to a mild reduction in nitrogen (N) fertilization and the identification of predictive biochemical markers of N utilization efficiency could contribute to limit the detrimental effect of the overuse of N inputs.<h4>Objectives</h4>We integrated phenotypic and biochemical data to interpret the physiology of maize in response to a mild reduction in N fertilization under agronomic conditions and identify predic  ...[more]

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