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Isolation of a Methylobacillus sp that degrades microcystin toxins associated with cyanobacteria

文献类型: 外文期刊

作者: Hu, Liang Bin 1 ; Yang, Jing Dong 2 ; Zhou, Wei 2 ; Yin, Yu Fen 2 ; Chen, Jian 2 ; Shi, Zhi Qi 2 ;

作者机构: 1.Henan Inst Sci & Technol, Sch Food, Xinxiang 453003, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Food Safety, Nanjing 210014, Peoples R China

3.Jiangxi Agr Univ, Coll Sci, Nanchang 330045, Peoples R China

关键词: METHYLOTROPHIC BACTERIA;DEGRADATION;LAKE;LR;TOXICITY;GENUS

期刊名称:NEW BIOTECHNOLOGY ( 影响因子:5.079; 五年影响因子:5.423 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Sludge from cyanobacteria-salvaged yard in Meiliang Bay, Lake Taihu in Wuxi, China was cultured and acclimated by inoculating microcystins (MCs) extract. Strain J10 was isolated by degrading the MC-RR and MC-LR and was identified as Methylobacillus sp. Further research showed that both MC-LR and MC-RR could be completely degraded at 17 h after inoculation of J10, and the degradation probably was mediated by oxygen. Different enzymes, oxygen-dependent as well as oxygen-independent, with MC-degrading activity were found in the different fractions of J10 culture. However, the enzymes mainly responsible for MC degradation by J10 were oxygen-dependent and were probably bound to cell wall or outside the cytoplasmic membrane.

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