ArticleScientific reports2022
Revealing the differential protein profiles behind the nitrogen use efficiency in popcorn (Zea mays var. everta).
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 14 citations in OpenAlex.
- Integrated volatilomics and metabolomics reveal the dynamic landscape and key transformation phases of flavor compounds in indica rice during hydrothermal cooking.Food chemistry: X · 2026Article
- Plasticity of Root System Architecture and Whole Transcriptome Responses Underlying Nitrogen Deficiency Tolerance Conferred by a Wild Emmer Wheat QTL.Plant, cell & environment · 2025Article
- Exploring the Potential of Heterosis to Improve Nitrogen Use Efficiency in Popcorn Plants.Plants (Basel, Switzerland) · 2023Article
- Genome-Wide Urea Response in Rice Genotypes Contrasting for Nitrogen Use Efficiency.International journal of molecular sciences · 2023Article
- Uncovering Pathways Highly Correlated to NUE through a Combined Metabolomics and Transcriptomics Approach in Eggplant.Plants (Basel, Switzerland) · 2022Article
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Authors and funding
17 authors at 3 institutions in 2 countries.
Funding
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Abstract
We investigated the proteomic profiles of two popcorn inbred lines, P2 (N-efficient and N-responsive) and L80 (N-inefficient and nonresponsive to N), under low (10% of N supply) and high (100% of N supply) nitrogen environments, associated with agronomic- and physiological-related traits to NUE. The comparative proteomic analysis allowed the identification of 79 differentially accumulated proteins (DAPs) in the comparison of high/low N for P2 and 96 DAPs in the comparison of high/low N for L80. The NUE and N uptake efficiency (NUpE) presented high means in P2 in comparison to L80 at both N levels, but the NUE, NUpE, and N utilization efficiency (NUtE) rates decreased in P2 under a high N supply. DAPs involved in energy and carbohydrate metabolism suggested that N regulates enzymes of alternative pathways to adapt to energy shortages and that fructose-bisphosphate aldolase may act as one of the key primary nitrate responsive proteins in P2. Proteins related to ascorbate biosynthesis and nitrogen metabolism increased their regulation in P2, and the interaction of L-ascorbate peroxidase and Fd-NiR may play an important role in the NUE trait. Taken together, our results provide new insights into the proteomic changes taking place in contrasting inbred lines, providing useful information on the genetic improvement of NUE in popcorn.
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