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Degradation of microcystin-LR and RR by a Stenotrophomonas sp. strain EMS isolated from Lake Taihu, China.

Abstract：

:A bacterial strain EMS with the capability of degrading microcystins (MCs) was isolated from Lake Taihu, China. The bacterium was tentatively identified as a Stenotrophomonas sp. The bacterium could completely consume MC-LR and MC-RR within 24 hours at a concentration of 0.7 microg/mL and 1.7 microg/mL, respectively. The degradation of MC-LR and MC-RR by EMS occurred preferentially in an alkaline environment. In addition, mlrA gene involved in the degradation of MC-LR and MC-RR was detected in EMS. Due to the limited literature this gene has rare homologues. Sequencing analysis of the translated protein from mlrA suggested that MlrA might be a transmembrane protein, which suggests a possible new protease family having unique function.

journal_name

Int J Mol Sci

journal_title

International journal of molecular sciences

authors

Chen J,Hu LB,Zhou W,Yan SH,Yang JD,Xue YF,Shi ZQ

doi

10.3390/ijms11030896

subject

Has Abstract

pub_date

2010-03-02 00:00:00

pages

896-911

issue

3

issn

1422-0067

journal_volume

11

pub_type

杂志文章

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