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分离自石果衣的共生菌藻在干燥饥饿胁迫下存活能力分析

, PP. 238-248

Keywords: 地衣共生菌,地衣共生藻,扫描电子显微镜,透射电子显微镜,荧光显微镜,流式细胞术,繁殖,生物地毯

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Abstract:

对分离自地衣石果衣的共生菌藻在干燥和饥饿胁迫下的存活能力进行了分析.对其中的共生菌进行了干燥和饥饿双胁迫以及饥饿单胁迫两种实验处理,对共生藻进行了干燥单胁迫实验处理.实验通过使用扫描电子显微镜、透射电子显微镜、荧光显微镜、分光光度法和流式细胞术对生物量大小、重量和细胞密度、菌丝和藻细胞畸形以及代谢活力进行了检测.结果显示,共生菌在干燥和饥饿双胁迫下能存活7个月;在饥饿单胁迫下能存活8个月.共生藻在干燥胁迫下能存活2个月.本实验为深入研究地衣繁殖生物学和固沙固碳的干旱沙漠生物地毯工程提供了科学依据.

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