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. 2022 Nov 18;13:1039041. doi: 10.3389/fpls.2022.1039041

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Copyright © 2022 Koltun, Maniero, Vitti, de Setta, Giehl, Lima and Figueira

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Endogenous ScAMT2;1 promoter (p2) driving GUS expression in Col-0 Arabidopsis plants subjected to 1 mM NH₄NO₃, 2 mM NH₄ ⁺, or no N for 1, 3, 5, and 10 d in (A) shoots; and (B) roots. The blue color shows GUS activity. Bars = 200 μm.