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    Please use this identifier to cite or link to this item: https://ir.fy.edu.tw:8080/ir/handle/987654321/804


    Title: Characterization of rhythmic nitrogen-fixing activity of Synechococcus sp. RF-1 at the transcriptional level
    Authors: Huang,Tan-Chi;Chow, Te-Jin
    Contributors: 輔英科技大學 生物科技系
    Date: 1990-06-01
    Issue Date: 2010-09-24 09:46:17 (UTC+8)
    Abstract: Synechococcus RF-1 synthesizes mRNA for nitrogenase continuously when the culture is growing in continuous light. The synthesis of the nitrogenase mRNA is cyclic and occurs exclusively during the dark periods when the culture grows in a diurnal light/dark regimen.Nif gene expression continues to take place in a cyclic pattern after the culture is transferred from a diurnal light/dark regimen to continuous light. The cyclic synthesis of mRNA for nitrogenase can be induced in a continuous light culture by periodic exposure of the culture to 3(3,4-dichlorophenol)-1,1-dimethylurea. Although Ca++ is necessary for the expression of nitrogenase activity inSynechococcus RF-1in vivo, the results of Northern blot assays indicate that the role of Ca++ is not at the transcription level.
    Relation: Current Microbiology,Volume 20, Number 1,p. 23-26
    Appears in Collections:[生物科技系] 期刊論文

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