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The bZIP Transcription Factors in Current Jasmine Genomes: Identification, Characterization, Evolution and Expressions.

ABSTRACT: Jasmine, a recently domesticated shrub, is renowned for its use as a key ingredient in floral tea and its captivating fragrance, showcasing significant ornamental and economic value. When cultivated to subtropical zone, a significant abiotic stress adaptability occurs among different jasmine varieties, leading to huge flower production changes and plantlet survival. The bZIP transcription factors (TFs) are reported to play indispensable roles in abiotic stress tolerance. Here, we performed a genome-level comparison of bZIPs using three-type jasmine genomes. Based on their physicochemical properties, conserved motif analysis and phylogenetic analysis, about 63 bZIP genes were identified and clustered in jasmine genomes, noting a difference of one member compared to the other two types of jasmines. The HTbZIP genes were categorized into 12 subfamilies compared with A. thaliana. In cis-acting element analysis, all genes contained light-responsive elements. The abscisic acid response element (ABRE) was the most abundant in HTbZIP62 promoter, followed by HTbZIP33. Tissue-specific genes of the bZIPs may play a crucial role in regulating the development of jasmine organs and tissues, with HTbZIP36 showing the most significant expressions in roots. Combined with complicated protein interactions, HTbZIP62 and HTbZIP33 might play a crucial role in the ABA signaling pathway and stress tolerance. Combined with RT-qPCR analysis, SJbZIP37/57/62 were more sensitive to ABA response genes compared with other bZIPs in DJ amd HT genomes. Our findings provide a useful resource for further research on the regulation of key genes to improve abiotic stress tolerance in jasmine.

SUBMITTER: Zhao K

PROVIDER: S-EPMC10779407 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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The <i>bZIP</i> Transcription Factors in Current Jasmine Genomes: Identification, Characterization, Evolution and Expressions.

Zhao Kai K Luo Xianmei X Shen Mingli M Lei Wen W Lin Siqing S Lin Yingxuan Y Sun Hongyan H Ahmad Sagheer S Wang Guohong G Liu Zhong-Jian ZJ

International journal of molecular sciences 20231229 1

Jasmine, a recently domesticated shrub, is renowned for its use as a key ingredient in floral tea and its captivating fragrance, showcasing significant ornamental and economic value. When cultivated to subtropical zone, a significant abiotic stress adaptability occurs among different jasmine varieties, leading to huge flower production changes and plantlet survival. The bZIP transcription factors (TFs) are reported to play indispensable roles in abiotic stress tolerance. Here, we performed a gen ...[more]

PMID: 38203660

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Project description:BackgroundChenopodium quinoa Willd. (quinoa) is a pseudocereal crop of the Amaranthaceae family and represents a promising species with the nutritional content and high tolerance to stressful environments, such as soils affected by high salinity. The basic leucine zipper (bZIP) transcription factor represents exclusively in eukaryotes and can be related to many biological processes. So far, the genomes of quinoa and 3 other Amaranthaceae crops (Spinacia oleracea, Beta vulgaris, and Amaranthus hypochondriacus) have been fully sequenced. However, information about the bZIPs in these Amaranthaceae species is limited, and genome-wide analysis of the bZIP family is lacking in quinoa.ResultsWe identified 94 bZIPs in quinoa (named as CqbZIP1-CqbZIP94). All the CqbZIPs were phylogenetically splitted into 12 distinct subfamilies. The proportion of CqbZIPs was different in each subfamily, and members within the same subgroup shared conserved exon-intron structures and protein motifs. Besides, 32 duplicated CqbZIP gene pairs were investigated, and the duplicated CqbZIPs had mainly undergone purifying selection pressure, which suggested that the functions of the duplicated CqbZIPs might not diverge much. Moreover, we identified the bZIP members in 3 other Amaranthaceae species, and 41, 32, and 16 orthologous gene pairs were identified between quinoa and S. oleracea, B. vulgaris, and A. hypochondriacus, respectively. Among them, most were a single copy being present in S. oleracea, B. vulgaris, and A. hypochondriacus, and two copies being present in allotetraploid quinoa. The function divergence within the bZIP orthologous genes might be limited. Additionally, 11 selected CqbZIPs had specific spatial expression patterns, and 6 of 11 CqbZIPs were up-regulated in response to salt stress. Among the selected CqbZIPs, 3 of 4 duplicated gene pairs shared similar expression patterns, suggesting that these duplicated genes might retain some essential functions during subsequent evolution.ConclusionsThe present study provided the first systematic analysis for the phylogenetic classification, motif and gene structure, expansion pattern, and expression profile of the bZIP family in quinoa. Our results would lay an important foundation for functional and evolutionary analysis of CqbZIPs, and provide promising candidate genes for further investigation in tissue specificity and their functional involvement in quinoa's resistance to salt stress.

Project description:BackgroundIn plants, basic leucine zipper transcription factors (TFs) play important roles in multiple biological processes such as anthesis, fruit growth & development and stress responses. However, systematic investigation and characterization of bZIP-TFs remain unclear in Chinese white pear. Chinese white pear is a fruit crop that has important nutritional and medicinal values.ResultsIn this study, 62 bZIP genes were comprehensively identified from Chinese Pear, and 54 genes were distributed among 17 chromosomes. Frequent whole-genome duplication (WGD) and dispersed duplication (DSD) were the major driving forces underlying the bZIP gene family in Chinese white pear. bZIP-TFs are classified into 13 subfamilies according to the phylogenetic tree. Subsequently, purifying selection plays an important role in the evolution process of PbbZIPs. Synteny analysis of bZIP genes revealed that 196 orthologous gene pairs were identified between Pyrus bretschneideri, Fragaria vesca, Prunus mume, and Prunus persica. Moreover, cis-elements that respond to various stresses and hormones were found on the promoter regions of PbbZIP, which were induced by stimuli. Gene structure (intron/exon) and different compositions of motifs revealed that functional divergence among subfamilies. Expression pattern of PbbZIP genes differential expressed under hormonal treatment abscisic acid, salicylic acid, and methyl jasmonate in pear fruits by real-time qRT-PCR.ConclusionsCollectively, a systematic analysis of gene structure, motif composition, subcellular localization, synteny analysis, and calculation of synonymous (Ks) and non-synonymous (Ka) was performed in Chinese white pear. Sixty-two bZIP-TFs in Chinese pear were identified, and their expression profiles were comprehensively analyzed under ABA, SA, and MeJa hormones, which respond to multiple abiotic stresses and fruit growth and development. PbbZIP gene occurred through Whole-genome duplication and dispersed duplication events. These results provide a basic framework for further elucidating the biological function characterizations under multiple developmental stages and abiotic stress responses.

Dataset Information

The bZIP Transcription Factors in Current Jasmine Genomes: Identification, Characterization, Evolution and Expressions.

Publications

The <i>bZIP</i> Transcription Factors in Current Jasmine Genomes: Identification, Characterization, Evolution and Expressions.

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