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首页> 外文期刊>Preparative biochemistry & biotechnology: An international journal for rapid communication >Biodegradation of tetracycline by the yeast strain Trichosporon mycotoxinivorans XPY-10
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Biodegradation of tetracycline by the yeast strain Trichosporon mycotoxinivorans XPY-10

机译：酵母菌株Trichosporon mycotoxinivorans XPY-10对四环素的生物降解作用

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摘要

We investigated the behavior of tetracycline degradation and its degradation products upon treatment of isolated yeast that we termed XPY-10. XPY-10 was isolated from wastewater and identified as Trichosporon mycotoxinivorans by morphological and physiological tests and 5.8S rRNA ITS sequencing. In our experiments, 78.28 +/- 0.8% of tetracycline was removed within 7 days with XPY-10. The degradation of tetracycline fitted well with the first-order kinetic model. We also speculated upon the biodegradation products formed during biodegradation. The possible structures of five products were determined using liquid chromatography-tandem mass spectrometry. During practical application, XPY-10 was shown to have an obvious influence on biodegradation, and 89.61% of tetracycline was removed in feedlot sewage after 7 days of reaction. The chemical oxygen demand removal reached 73.47%.
机译：我们研究了被称为XPY-10的分离酵母处理后四环素降解的行为及其降解产物。从废水中分离出XPY-10，并通过形态学和生理学测试以及5.8S rRNA ITS测序将其鉴定为霉菌霉菌。在我们的实验中，使用XPY-10在7天内去除了78.28 +/- 0.8％的四环素。四环素的降解与一级动力学模型吻合得很好。我们还推测了在生物降解过程中形成的生物降解产物。使用液相色谱-串联质谱法确定了五种产物的可能结构。在实际应用中，XPY-10对生物降解有明显影响，反应7天后，肥育场污水中的四环素去除率为89.61％。化学需氧量去除率达到73.47％。

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