Arabidopsis/genetics; Basic-Leucine Zipper Transcription Factors/metabolism; Salt-Tolerant Plants/genetics; Zea mays/genetics; Abscisic Acid/pharmacology; Amino Acid Sequence; Arabidopsis/drug effects; Arabidopsis/physiology; Basic-Leucine Zipper Transcription Factors/classification; Basic-Leucine Zipper Transcription Factors/genetics; Cloning, Molecular; Conserved Sequence; Droughts; Gene Expression Regulation, Plant; Genes, Plant; Germination/drug effects; Molecular Sequence Data; Onions/genetics; Onions/physiology; Osmotic Pressure; Phylogeny; Plant Epidermis/genetics; Plant Epidermis/metabolism; Plant Leaves/metabolism; Plant Leaves/physiology; Plant Proteins/genetics; Plant Proteins/metabolism; Plants, Genetically Modified/drug effects; Plants, Genetically Modified/genetics; Plants, Genetically Modified/physiology; Salt-Tolerant Plants/drug effects; Salt-Tolerant Plants/physiology; Seeds/drug effects; Seeds/physiology; Sodium Chloride/pharmacology; Stress, Physiological; Transcriptional Activation; Yeasts/genetics; Yeasts/metabolism