Evolutionary studies of the basic helix–loop–helix (bHLH) IVc gene family in plants and the role of AtILR3 in Arabidopsis response to ABA stress
Min Jiang,
Yuqian Niu,
Guosong Wen
et al.
Abstract:The basic helix–loop–helix (bHLH) IVc transcription factors (TFs) play central roles in controlling iron (Fe) homeostasis and biotic stress responses. However, their evolutions and functions in other abiotic stresses are poorly understood. In this study, the IAA‐LEUCINE RESISTANT3 (ILR3) homologs were traced roughly back to before the early origin of land plants and divided into six main clades (Clade A‐F). Further analysis found that the ILR3 orthologs were angiosperm‐specific, suffering from motif‐acquisitio… Show more
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