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学者姓名：李永平
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Abstract ：
The WRKY transcription factors are important transcriptional regulators in plants, with crucial roles affecting biotic and abiotic stress responses as well as plant growth and development. In this study, a bioinformatics-based method was used to identify WRKY genes in zucchini (Cucurbita pepo L.). The CpWRKY family was revealed to comprise 103 members divided into seven subfamilies (I, II -a, II-b, II-c, II -d, II-e, and III). The members of each subfamily encoded highly conserved protein functional domains. However, five members (i.e., CpWRKY43, CpWRKY58, CpWRKY63, CpWRKY80, and CpWRKY93) encoded a unique WRKY sequence variant (WRKYGKK). In addition, an examination of gene replication events during evolution indicated that 11 tandemly duplicated gene pairs were the primary driving force behind the evolution of the CpWRKY gene family. The PlantCARE analysis of CpWRKY genes detected various cis-regulatory elements in the promoter region, including ABRE, MeJARE, LTR, MBS, ARE, and GRE, suggesting the encoded WRKY proteins likely modulate zucchini growth, development, and stress responses. Furthermore, the CpWRKY genes were differentially expressed in diverse tissues (root, stem, leaf, flower, and fruit) and under low-temperature and drought stress conditions. According to their expression patterns, CpWRKY16, CpWRKY51, and CpWRKY80 are probably involved in the zucchini responses to cold and drought stresses. Our findings have clarified the evolution of the WRKY superfamily in C. pepo, while also providing valuable insights into the functions of the encoded WRKY proteins.
Keyword ：
Abiotic stress Abiotic stress Cucurbita pepo L. Cucurbita pepo L. Expression analysis Expression analysis Genome-wide identification Genome-wide identification WRKY transcription factor WRKY transcription factor
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| GB/T 7714 | Liu, Jianting , Wang, Yuqian , Ye, Xinru et al. Genome-wide identification and expression analysis of the WRKY gene family in response to low-temperature and drought stresses in Cucurbita pepo L. [J]. | SCIENTIA HORTICULTURAE , 2024 , 330 . |
| MLA | Liu, Jianting et al. "Genome-wide identification and expression analysis of the WRKY gene family in response to low-temperature and drought stresses in Cucurbita pepo L." . | SCIENTIA HORTICULTURAE 330 (2024) . |
| APA | Liu, Jianting , Wang, Yuqian , Ye, Xinru , Zhang, Qianrong , Li, Yongping , Chen, Mindong et al. Genome-wide identification and expression analysis of the WRKY gene family in response to low-temperature and drought stresses in Cucurbita pepo L. . | SCIENTIA HORTICULTURAE , 2024 , 330 . |
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Abstract ：
Cultivated strawberry (Fragaria x ananassa) originated from four diploid ancestors: F. vesca, F. viridis, F. iinumae and F. nipponica. Among them, F. vesca is the dominant subgenome for cultivated strawberry. It is not well understood how differences in gene expression between diploid and octoploid strawberry contribute to differences during fruit development. In this study, we used comprehensive transcriptomic analyses of F. vesca and F.xananassa to investigate gene expression at the different stages of fruit development. In total, we obtained 3 508 (turning stage) and 3 958 (red stage) differentially expressed genes with pairwise comparisons between diploid and octoploid. The genes involved in flavonoid biosynthesis were almost upregulated in the turning stages of octoploid, and we also discovered a ripe fruit-specific module associated with several flavonoid biosynthetic genes, including FveMYB10, FveMYB9/11, and FveRAP, using weighted gene coexpression network analysis (WGCNA). Furthermore, we identified the species-specific regulated networks in the octoploid and diploid fruit. Notably, we found that the WAK and F-box genes were enriched in the octoploid and diploid fruits, respectively. This study elucidates new findings on flavonoid biosynthesis and fruit size of strawberry with important implications for future molecular breeding in cultivated strawberry.
Keyword ：
anthocyanin anthocyanin development development Fragaria vesca Fragaria vesca Fragaria x ananassa Fragaria x ananassa fruit fruit RNA-Seq RNA-Seq strawberry strawberry
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| GB/T 7714 | Li Yong-ping , Liu Tian-jia , Luo Hui-feng et al. The transcriptional landscape of cultivated strawberry (Fragaria x ananassa) and its diploid ancestor (Fragaria vesca) during fruit development [J]. | JOURNAL OF INTEGRATIVE AGRICULTURE , 2021 , 20 (6) : 1540-1553 . |
| MLA | Li Yong-ping et al. "The transcriptional landscape of cultivated strawberry (Fragaria x ananassa) and its diploid ancestor (Fragaria vesca) during fruit development" . | JOURNAL OF INTEGRATIVE AGRICULTURE 20 . 6 (2021) : 1540-1553 . |
| APA | Li Yong-ping , Liu Tian-jia , Luo Hui-feng , Liu Sheng-cai . The transcriptional landscape of cultivated strawberry (Fragaria x ananassa) and its diploid ancestor (Fragaria vesca) during fruit development . | JOURNAL OF INTEGRATIVE AGRICULTURE , 2021 , 20 (6) , 1540-1553 . |
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