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  1. No Access

    Article

    Diazotrophic diversity, nifH gene expression and nitrogenase activity in a rice paddy field in Fujian, China

    The diazotrophic communities in a rice paddy field were characterized by a molecular polyphasic approach including DNA/RNA-DGGE fingerprinting, real time RT-PCR analysis of nifH gene and the measurement of nitrog...

    Lotta Mårtensson, Beatriz Díez, Ingvild Wartiainen, Weiwen Zheng… in Plant and Soil (2009)

  2. No Access

    Chapter

    Structural Characteristics of the Cyanobacterium–Azolla Symbioses

    Structure is a fundamental base for all life forms, whether plants or microbes. The development of special structures results in unique functions. Though structures of the mutualistic Azolla–cyanobacterial ...

    Weiwen Zheng, Liang Rang, Birgitta Bergman in Prokaryotic Symbionts in Plants (2009)

  3. No Access

    Chapter

    Steric Stabilization of Cationic Liposome-DNA Complexes: Influence on Morphology and Transfection Activity

    Over the past few years, rapid progress has been made in controlling the in vivo delivery and expression of therapeutic genes (Blaese et al., 1995). Presently, viral-based carriers of DNA are still the most commo...

    Brigitte Sternberg, Keelung Hong, Weiwen Zheng… in Targeting of Drugs 6 (1998)