| Summary: | The transcription factors (TFs) family known as the basic leucine zipper (bZIP) plays a vital role in a variety of biological processes. However, there is no investigation on the bZIP family in the major vegetable crop, eggplant. Here, a total of 71 <i>SmbZIP</i> genes were identified from the eggplant genome and compared with other 18 representative plants. According to the topology of the phylogenetic tree, as well as the categorization and nomenclature of <i>bZIP</i> genes in <i>Arabidopsis</i> and <i>Solanum lycopersicum</i>, the <i>SmbZIP</i> family was classified into 13 groups. Analysis of the chromosome location, motif composition and gene structure of the <i>SmbZIP</i> genes were also performed. Gene duplication analysis revealed that the expansion of the <i>SmbZIP</i> genes was mainly attributed to WGD/segmental duplication. Promoter analysis of the <i>SmbZIP</i> genes and examination of the expression patterns of <i>SmbZIP</i> genes under four abiotic pressures revealed that many <i>SmbZIP</i> genes are related to the control of abiotic stresses. Altogether, the identification, categorization, phylogenetic analysis, chromosome distribution, motif composition, and expression patterns of <i>SmbZIPs</i> were predicted and examined. Importantly, this investigation of <i>SmbZIPs</i> offers a wealth of information that will assist researchers in better understanding their function in eggplant.
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