Impact of the environmental influence on the transcriptional variability of genes involved in nitrogen nutrition
2023
Timothy, Mozzanino | Cassan, Océane | Chay, Sandrine | Mari, Stéphane | Martin, Antoine | Institut des Sciences des Plantes de Montpellier (IPSIM) ; Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Montpellier ; Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Université de Montpellier (UM)
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Show more [+] Less [-]English. Nitrogen, which is one of the most determining factors in the growth, survival andreproduction of plants is unfortunately also one of the most fluctuating elements spatiallyand temporally in the soil. A tight regulation of the expression for the genes involved in itsuptake and transport is therefore decisive. However, some genes involved in nitrogen nutritionpresent a high level of transcriptional variability between plants even in absence of geneticand environmental differences.In this context, we are analysing the role of the high expression variability for the high-affinitynitrate transporter, namely NRT2.1, in the response to fluctuation in nitrate in Arabidopsisthaliana. We will also show our results of the impact of certain fluctuating nitrate conditionson this inter-individual variability
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