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Article

Comparative Analysis Based on Transcriptomics and Metabolomics Data Reveal Differences between Emmer and Durum Wheat in Response to Nitrogen Starvation

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Council for Agricultural Research and Economics (CREA), Research Centre for Cereal and Industrial Crops (CREA-CI), 71122 Foggia, Italy
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Systems Biology and Mathematical Modeling Group, Max Planck Institute of Molecular Plant Physiology, 14476 Potsdam, Germany
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Bioinformatics, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany
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Montpellier SupAgro, UMR Amelioration Genetique et Adaptation des Plantes, 34060 Montpellier, France
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Scuola di Scienze Agrarie, Forestali, Alimentari e Ambientali, Università degli Studi della Basilicata, 85100 Potenza, Italy
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Institute of Biosciences and Geosciences (IBG-2): Plant Sciences, Forschungszentrum Julich GmbH, 52428 Julich, Germany
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Center of Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria
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Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Massimo Maffei
Int. J. Mol. Sci. 2021, 22(9), 4790; https://doi.org/10.3390/ijms22094790
Received: 19 March 2021 / Revised: 27 April 2021 / Accepted: 28 April 2021 / Published: 30 April 2021
(This article belongs to the Special Issue Molecular Analysis of Crop Diversity)
Mounting evidence indicates the key role of nitrogen (N) on diverse processes in plant, including development and defense. Using a combined transcriptomics and metabolomics approach, we studied the response of seedlings to N starvation of two different tetraploid wheat genotypes from the two main domesticated subspecies: emmer and durum wheat. We found that durum wheat exhibits broader and stronger response in comparison to emmer as seen from the expression pattern of both genes and metabolites and gene enrichment analysis. They showed major differences in the responses to N starvation for transcription factor families, emmer showed differential reduction in the levels of primary metabolites while durum wheat exhibited increased levels of most of them to N starvation. The correlation-based networks, including the differentially expressed genes and metabolites, revealed tighter regulation of metabolism in durum wheat in comparison to emmer. We also found that glutamate and γ-aminobutyric acid (GABA) had highest values of centrality in the metabolic correlation network, suggesting their critical role in the genotype-specific response to N starvation of emmer and durum wheat, respectively. Moreover, this finding indicates that there might be contrasting strategies associated to GABA and glutamate signaling modulating shoot vs. root growth in the two different wheat subspecies. View Full-Text
Keywords: plant nutrition; Triticum turgidum; transcriptomics; metabolomics; stress; GABA; glutamate plant nutrition; Triticum turgidum; transcriptomics; metabolomics; stress; GABA; glutamate
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MDPI and ACS Style

Beleggia, R.; Omranian, N.; Holtz, Y.; Gioia, T.; Fiorani, F.; Nigro, F.M.; Pecchioni, N.; De Vita, P.; Schurr, U.; David, J.L.; Nikoloski, Z.; Papa, R. Comparative Analysis Based on Transcriptomics and Metabolomics Data Reveal Differences between Emmer and Durum Wheat in Response to Nitrogen Starvation. Int. J. Mol. Sci. 2021, 22, 4790. https://doi.org/10.3390/ijms22094790

AMA Style

Beleggia R, Omranian N, Holtz Y, Gioia T, Fiorani F, Nigro FM, Pecchioni N, De Vita P, Schurr U, David JL, Nikoloski Z, Papa R. Comparative Analysis Based on Transcriptomics and Metabolomics Data Reveal Differences between Emmer and Durum Wheat in Response to Nitrogen Starvation. International Journal of Molecular Sciences. 2021; 22(9):4790. https://doi.org/10.3390/ijms22094790

Chicago/Turabian Style

Beleggia, Romina, Nooshin Omranian, Yan Holtz, Tania Gioia, Fabio Fiorani, Franca M. Nigro, Nicola Pecchioni, Pasquale De Vita, Ulrich Schurr, Jacques L. David, Zoran Nikoloski, and Roberto Papa. 2021. "Comparative Analysis Based on Transcriptomics and Metabolomics Data Reveal Differences between Emmer and Durum Wheat in Response to Nitrogen Starvation" International Journal of Molecular Sciences 22, no. 9: 4790. https://doi.org/10.3390/ijms22094790

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