Nybom Sonja M K, Salminen Seppo J, Meriluoto Jussi A O
Department of Biochemistry and Pharmacy, Abo Akademi University, Turku, Finland.
FEMS Microbiol Lett. 2007 May;270(1):27-33. doi: 10.1111/j.1574-6968.2007.00644.x. Epub 2007 Jan 30.
The ability of specific strains of probiotic bacteria to remove the cyanobacterial peptide toxin microcystin-LR from aqueous solutions was assessed. Lactobacillus rhamnosus strains GG and LC-705, Bifidobacterium longum 46, Bifidobacterium lactis 420 and Bifidobacterium lactis Bb12 were shown to be the most effective in toxin removal among 11 tested strains. The highest removal percentage of microcystin-LR was 58.1%, observed with B. lactis Bb12 (toxin concentration 100 microg L(-1), 10(10) CFU mL(-1), 37 degrees C, 24 h). Freshly cultured bacteria were shown to be more efficient in microcystin removal than lyophilized or nonviable bacteria. Removal of microcystin-LR was shown to be dependent on both temperature and bacterial concentration. It is concluded that some of the tested strains have good potential in removing microcystins from aqueous solutions.
评估了特定益生菌菌株从水溶液中去除蓝藻肽毒素微囊藻毒素-LR的能力。结果显示，在11株受试菌株中，鼠李糖乳杆菌GG和LC-705菌株、长双歧杆菌46、乳酸双歧杆菌420和乳酸双歧杆菌Bb12在毒素去除方面最为有效。观察到乳酸双歧杆菌Bb12对微囊藻毒素-LR的最高去除率为58.1%（毒素浓度100μg L(-1)，10(10) CFU mL(-1)，37℃，24小时）。结果表明，新鲜培养的细菌在微囊藻毒素去除方面比冻干或无活力的细菌更有效。微囊藻毒素-LR的去除显示取决于温度和细菌浓度。得出的结论是，一些受试菌株在从水溶液中去除微囊藻毒素方面具有良好的潜力。
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