The observation of ultra-structure during the petal senescence of Dracocephalum argunense Fisch ex Link
文献类型： 外文期刊
作者： Li, Fenglan 1 ; Shi, Lijuan 1 ; Feng, Yanzhong 1 ; Wei, Qi 2 ; Chen, Heshu 2 ; Liu, Di 2 ; Qin, Feifei 3 ; Xu, Hui-lian 4 ;
作者机构： 1.NE Agr Univ, Coll Life Sci, Harbin 150030, Heilongjiang, Peoples R China
2.Heilongjiang Acad Agr Sci, Harbin 150086, Peoples R China
3.Shandong Acad Agr Sci, Peanut Inst, Qingdao 26610, Peoples R China
4.Int Nat Farming Res Ctr, Nagano 1901401, Japan
期刊名称：JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT （ 影响因子：0.435； 五年影响因子：0.484 ）
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收录情况： SCI
摘要： Dracocephalum argunense is a local wild flower in Heilongjiang, China, which has been successfully domesticated. The value of D. argunense in landscaping has been severely affected due to its flowering time of only 2-3 days. The petal senescence is related to the programmed cell death. It is important to elucidate phenomenon and mechanisms of the petal senescence process. Therefore, in the present study, the ultrastructure of the petal cells during the process of flowering was first investigated. The results showed that the programmed cell death appeared during the process of the petal senescence of D. argunense. There were many big phagocytic vesicles produced by vacuoles in the cells acted as lysosome that led to the self-disintegration of the petal cells and thus fulfilled the process of cell death. It was suggested that the petal senescence of D. argunense is the type of vacuole related programmed cell death.
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