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Arabidopsis thaliana LONG HYPOCOTYL5 (HY5) is a positive regulator of the light signaling pathway. The hy5 mutant has an elongated hypocotyl in all light conditions, whereas the hy5 homolog (hyh) mutant has a very weak phenotype, but only in blue light. However, overexpression of HYH rescues the elongated hypocotyl phenotype in the hy5 null mutant. Here, we report the identification of four HYH splicing...
Key message DELLA proteins positively regulate nitrogen deficiency-induced anthocyanin accumulation through directly interaction with PAP1 to enhance its transcriptional activity on anthocyanin biosynthetic gene expressions. Abstract Plants can survive a limiting nitrogen supply by undergoing adaptive responses, including induction of anthocyanin production. However, the detailed mechanism is still...
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