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

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Abstrakti

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.

Alkuperäiskieli	Englanti
Sivut	27-33
Sivumäärä	7
Julkaisu	FEMS Microbiology Letters
Vuosikerta	270
Numero	1
DOI - pysyväislinkit	https://doi.org/10.1111/j.1574-6968.2007.00644.x
Tila	Julkaistu - toukok. 2007
OKM-julkaisutyyppi	A1 Julkaistu artikkeli, soviteltu

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10.1111/j.1574-6968.2007.00644.x

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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",

month = may,

doi = "10.1111/j.1574-6968.2007.00644.x",

language = "English",

volume = "270",

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journal = "FEMS Microbiology Letters",

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TY - JOUR

T1 - Removal of microcystin-LR by strains of metabolically active probiotic bacteria

AU - Nybom, Sonja M.K.

AU - Salminen, Seppo J.

AU - Meriluoto, Jussi A.O.

PY - 2007/5

Y1 - 2007/5

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

KW - Microcystin-LR

KW - Probiotic bacteria

UR - http://www.scopus.com/inward/record.url?scp=34247110067&partnerID=8YFLogxK

U2 - 10.1111/j.1574-6968.2007.00644.x

DO - 10.1111/j.1574-6968.2007.00644.x

M3 - Article

C2 - 17263839

AN - SCOPUS:34247110067

SN - 0378-1097

VL - 270

SP - 27

EP - 33

JO - FEMS Microbiology Letters

JF - FEMS Microbiology Letters

IS - 1

ER -

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

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