NDLI: Adsorption of bisphenol A by lactic acid bacteria, Lactococcus, strains

Content Provider	Springer Nature Link
Author	Endo, Yasushi Kimura, buhiro Ikeda, Ikuo Fujimoto, Kenshiro Kimoto, Hiromi
Copyright Year	2006
Abstract	Ten strains of the genus Lactococcus were examined for their ability to remove bisphenol A [2, 2-bis(4-hydroxyphenyl)propane; BPA], which is known as an endocrine disrupter. Nine strains of the lactococci tested could remove BPA from media during growth, although the removal ratio was below 9%. When BPA was incubated with lyophilized cells of lactococci for 1 h, the concentration of BPA in the media was decreased by 9–62%. Especially, the highest removal ratio of BPA was observed for Lactococcus lactis subsp. lactis 712. The lactococci could adsorb BPA but not degrade it, because the lactococci maintained the ability to remove BPA from the medium after autoclaving. When the lyophilized cells of L. lactis subsp. lactis 712 were also incubated with six analogues of BPA, they effectively adsorbed hydrophobic compounds such as 2, 2′-diphenylpropane and bisphenol A dimethylether. The BPA-adsorbing ability of lactococci could be due to the hydrophobic binding effect. The removal ratio of BPA by L. lactis subsp. lactis 712 was increased after treatment with sodium dodecyl sulfate and decreased after digestion with trypsin. These results suggest that the hydrophobic proteins on cell surface may be involved in the BPA-adsorbing ability of lactococci.
Starting Page	202
Ending Page	207
Page Count	6
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	74
Issue Number	1
e-ISSN	14320614
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-10-05
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Bisphenol A Lactococcus Lactic acid Microbial Genetics and Genomics Microbiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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