The regulation of Cytochrome f by mannose treatment in broccoli and its relationship with programmed cell death in tobacco BY-2 cells
文献类型： 外文期刊
作者： Zhao, Shiyi 1 ; Chen, Jiahui 1 ; Cao, Shifeng 2 ; Wang, Hongfei 1 ; Chen, Hangjun 3 ; Wei, Yingying 1 ; Chen, Yi 1 ; Shao, Xingfeng 1 ; Xu, Feng 1 ;
作者机构： 1.Ningbo Univ, Coll Food Sci & Engn, Zhejiang Malaysia Joint Res Lab Agr Prod Proc & Nu, Ningbo 315800, Peoples R China
2.Zhejiang Wanli Univ, Coll Biol & Environm Sci, Ningbo 315100, Peoples R China
3.Zhejiang Acad Agr Sci, Minist Agr & Rural Affairs, Key Lab Fruits & Vegetables Postharvest & Proc Tec, Key Lab Postharvest Handling Fruits,Food Sci Inst,, Hangzhou 310021, Peoples R China
关键词： Mannose; Broccoli; Cytochrome f; Programmed cell death; Tobacco BY-2 cells
期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：6.5； 五年影响因子：6.4 ）
ISSN： 0981-9428
年卷期： 2024 年 208 卷
页码：
收录情况： SCI
摘要： It is well established that programmed cell death (PCD) occurred in broccoli during postharvest senescence, but no studies have been conducted on the regulation of broccoli cytochrome f by mannose treatment and its relationship with PCD. In this study, we treated broccoli buds with mannose to investigate the changes in color, total chlorophyll content, gene expression related to chlorophyll metabolism, chloroplast structure, and cytochrome f determination during postharvest storage. In addition, to investigate the effect of cytochrome f on PCD, we extracted cytochrome f from broccoli and treated Nicotiana tabacum L. cv Bright Yellow 2 (BY-2) cells with extracted cytochrome f from broccoli at various concentrations. The results showed that cytochrome f can induce PCD in tobacco BY-2 cells, as evidenced by altered cell morphology, nuclear chromatin disintegration, DNA degradation, decreased cell viability, and increased caspase-3-like protease production. Taken together, our study indicated that mannose could effectively delay senescence of postharvest broccoli by inhibiting the expression of gene encoding cytochrome f which could induce PCD.
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