New Insights into the Transcriptional Regulation of Genes Involved in the Nitrogen Use Efficiency under Potassium Chlorate in Rice (Oryza sativa L.).

ABSTRACT: Potassium chlorate (KClO₃) has been widely used to evaluate the divergence in nitrogen use efficiency (NUE) between indica and japonica rice subspecies. This study investigated the transcriptional regulation of major genes involved in the NUE in rice treated with KClO₃, which acts as an inhibitor of the reducing activity of nitrate reductase (NR) in higher plants. A set of two KClO₃ sensitive nitrate reductase (NR) and two nitrate transporter (NRT) introgression rice lines (BC2F7), carrying the indica alleles of NR or NRT, derived from a cross between Saeilmi (japonica, P1) and Milyang23 (indica, P2), were exposed to KClO₃ at the seedling stage. The phenotypic responses were recorded 7 days after treatment, and

SUBMITTER: Kabange NR 

PROVIDER: S-EPMC7926690 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature