Removal of microcystin-LR by strains of metabolically active probiotic bacteria

Sonja M.K. Nybom; Seppo J. Salminen; Jussi A.O. Meriluoto

doi:10.1111/j.1574-6968.2007.00644.x

Removal of microcystin-LR by strains of metabolically active probiotic bacteria

Sonja M.K. Nybom^*, Seppo J. Salminen, Jussi A.O. Meriluoto

^*Korresponderande författare för detta arbete

Laboratoryservices

Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review

69 Citeringar (Scopus)

Sammanfattning

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 μg L^-1, 10¹⁰ CFU mL^-1, 37°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.

Originalspråk	Engelska
Sidor (från-till)	27-33
Antal sidor	7
Tidskrift	FEMS Microbiology Letters
Volym	270
Nummer	1
DOI	https://doi.org/10.1111/j.1574-6968.2007.00644.x
Status	Publicerad - maj 2007
MoE-publikationstyp	A1 Tidskriftsartikel-refererad

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title = "Removal of microcystin-LR by strains of metabolically active probiotic bacteria",

abstract = "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 μg L-1, 1010 CFU mL-1, 37°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.",

keywords = "Bifidobacterium, Cyanotoxin, Degradation, Lactobacillus, Microcystin-LR, Probiotic bacteria",

author = "Nybom, {Sonja M.K.} and Salminen, {Seppo J.} and Meriluoto, {Jussi A.O.}",

year = "2007",

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AU - Nybom, Sonja M.K.

AU - Salminen, Seppo J.

AU - Meriluoto, Jussi A.O.

PY - 2007/5

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N2 - 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 μg L-1, 1010 CFU mL-1, 37°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.

AB - 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 μg L-1, 1010 CFU mL-1, 37°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.

KW - Bifidobacterium

KW - Cyanotoxin

KW - Degradation

KW - Lactobacillus

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KW - Probiotic bacteria

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Removal of microcystin-LR by strains of metabolically active probiotic bacteria

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