生姜持抗性内生菌的初步分离筛选

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Preliminary Isolation and Screening of Antagonistic Endophytic Bacteria in Ginger

LU Xiaoshi， ZHANG Li， ZHANG Yafei， XU Xipeng （Qufu FarEast Vocational and Technical College， Jining 2731oo， China）

Abstract： Taking the rhizomes of ginger as the research object， the tisse block method was used to isolate and purifythe endophytic bacteria in the rhizomes of ginger.The filter paper disc method was used to conduct antibacterial experiments on five indicatorbacteria，namely Escherichia coli，Bacilussubtilis，Aspergillusniger， Staphylococcus aureus，and Saccharomyces cerevisiae.Atotal of 19 strains of endophytic bacteria in ginger were isolated in the experiment，and 13 strains of strains with different antagonistic properties were screened out by the filter paper disc method.

Keywords： ginger; endophytic bacteria; antagonistic property; isolation and screening

生姜含有多种活性物质和营养成分，对于很多病症都具有比较明显的治疗效果，是一种比较常见的药食同源植物。（剩余3293字）