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水稻白叶枯病菌内源过氧化氢的产生及定位

DOI: 10.7685/j.issn.1000-2030.2009.03.030, PP. 160-163

Keywords: 白叶枯病菌,过氧化氢,组织化学,定位

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Abstract:

采用辣根过氧化物酶-酚红法定量检测病原菌细胞内源过氧化氢的产生,并通过组织化学法观察细胞中过氧化氢积累的亚细胞定位。结果表明辣根过氧化物酶-酚红法及组织化学染色法均检测到水稻白叶枯病菌内源过氧化氢的产生。透射电子显微镜观察结果和辣根过氧化物酶-酚红法定量检测结果均显示,过氧化氢在水稻白叶枯病菌细胞中普遍存在,不同病原菌内源过氧化氢的水平有极显著差异。病原菌细胞中过氧化氢的积累主要定位在细胞壁。

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