QQ客服 官方微博 反馈留言

	Potential cytoplasmic inheritance in Wisteria sinensis and Robinia pseudoacacia (Leguminosae)
	Hu, YF ; Zhang, Q ; Sodmergen
刊名	plant and cell physiology
	2005
关键词	cytoplasmic inheritance Leguminosae mitochondria plastids Robinia pseudoacacia Wisteria sinensis PATERNAL MITOCHONDRIAL-DNA MALE REPRODUCTIVE CELLS CHLOROPLAST DNA PLASTID DNA CHLAMYDOMONAS-REINHARDTII BIPARENTAL INHERITANCE MATERNAL INHERITANCE TURNERA-ULMIFOLIA GENERATIVE CELLS HIGHER-PLANTS
DOI	10.1093/pcp/pci110
英文摘要	We examined pollen cells of Wisteria sinensis and Robinia pseudoacacia (Leguminosae) to determine a possible mode for cytoplasmic inheritance in these species. Epifluorescence microscopy revealed distinct mature generative cells. Mature generative cells of W. sinensis were associated with large numbers of punctated fluorescent signals corresponding to cytoplasmic DNA aggregates, but no fluorescent signals were observed in the generative cells of R. pseudoacacia. Closer examination showed that the punctate fluorescent signals corresponded to plastid but not mitochondrial DNA. These results suggest a strong potential for paternal transmission of the plastid genome in W. sinensis. Electron microscopy confirmed the presence of plastids in the generative cells of W. sinensis and the absence of plastids in R. pseudoacacia cells due to an unequal distribution of plastids during the first pollen mitosis. Mitochondria were present and intact in the mature generative cells of both species. The lack of fluoresced mitochondrial DNA suggests a very low level of mitochondrial DNA in the cells. Immunoelectron microscopy demonstrated that the labeling of mitochondrial DNA in these cells was reduced by nearly 90% during pollen development. Such a dramatic reduction suggests an active degradation of paternal mitochondrial DNA, which may contribute greatly to the maternal inheritance of mitochondria. In short, we found that W. sinensis exhibits a strong potential for paternal transmission of plastids and that both W. sinensis and R. pseudoacacia appear to share the same mechanism for maternal mitochondrial inheritance.; Plant Sciences; Cell Biology; SCI(E); PubMed; 7; ARTICLE; 7; 1029-1035; 46
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/346379]
专题	生命科学学院
推荐引用方式 GB/T 7714	Hu, YF,Zhang, Q,Sodmergen. Potential cytoplasmic inheritance in Wisteria sinensis and Robinia pseudoacacia (Leguminosae)[J]. plant and cell physiology,2005.
APA	Hu, YF,Zhang, Q,&Sodmergen.(2005).Potential cytoplasmic inheritance in Wisteria sinensis and Robinia pseudoacacia (Leguminosae).plant and cell physiology.
MLA	Hu, YF,et al."Potential cytoplasmic inheritance in Wisteria sinensis and Robinia pseudoacacia (Leguminosae)".plant and cell physiology (2005).

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。