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논문 기본 정보

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학술저널
저자정보
Yu Liyang (Hebei Collaborative Innovation Center of Chestnut Industry, Qinhuangdao 066004, Hebei, China) Wang Dongsheng (Hebei Collaborative Innovation Center of Chestnut Industry, Qinhuangdao 066004, Hebei, China) Huang Ruimin (Hebei Collaborative Innovation Center of Chestnut Industry, Qinhuangdao 066004, Hebei, China) Cao Fei (Hebei Collaborative Innovation Center of Chestnut Industry, Qinhuangdao 066004, Hebei, China) Guo Chunlei (Hebei Collaborative Innovation Center of Chestnut Industry, Qinhuangdao 066004, Hebei, China) Zhang Jingzheng (Hebei Collaborative Innovation Center of Chestnut Industry, Qinhuangdao 066004, Hebei, China)
저널정보
한국식물생명공학회 Plant Biotechnology Reports Plant Biotechnology Reports Vol.18 No.1
발행연도
2024.2
수록면
129 - 142 (14page)
DOI
10.1007/s11816-023-00845-6

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The B-box (BBX) proteins are a class of zinc finger transcription factors and play critical roles in plant development and growth. However, they have not been systematically characterized in Chinese chestnut (Castanea mollissima), an important nut with rich nutrition and high economic value. Here, 18 BBX genes were identified in Chinese chestnut genome and divided into five groups through phylogenetic analysis, with members in the same group containing the same conserved domain organization. The collinearity analysis showed that dispersed duplication played a major role in the expansion of CmBBX gene family inferred to have evolved through purifying selection. Transcriptome analysis and qRT-PCR experiments suggested that CmBBX genes showed different expression patterns in different Chinese chestnut tissues, and revealed some CmBBXs may have potential functions in the development of Chinese chestnut buds, nuts, fertile/abortive ovules. Combined with the analysis of conserved domain, motif, cis-elements, expression level and protein three-dimensional structure, the lack of cis- acting elements related to meristem expression and gibberellin-responsiveness may lead to the no-expression of CmBBX9 in Chinese chestnut. The systematic analysis of Chinese chestnut BBX genes provides a basis for further understanding the characteristics and potential functions of BBX gene family.

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