BIODEGRADABILITY AND ADSORPTION ON LAKE-SEDIMENTS OF CYANOBACTERIAL HEPATOTOXINS AND ANATOXIN-A

被引：127

作者：

RAPALA, J ^{[1
]}

LAHTI, K ^{[1
]}

SIVONEN, K ^{[1
]}

NIEMELA, SI ^{[1
]}

机构：

[1] NATL BOARD WATERS & ENVIRONM,SF-00101 HELSINKI,FINLAND

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1994年 / 19卷 / 06期

关键词：

D O I：

10.1111/j.1472-765X.1994.tb00972.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Cyanobacterial hepatotoxins and anatoxin-a, a neurotoxin, were shown to be degraded when crude extracts of lysed toxic laboratory strains of cyanobacteria were exposed to natural populations of micro-organisms from lakes. While anatoxin-a decayed equally fast with all the inocula from lake sediment and water, the degradation rate of hepatotoxins was higher with inocula from places at which cyanobacterial water blooms had occurred than with inocula from places with no known mass occurrences of cyanobacteria. Degradation was slowest when an inoculum from a humic lake was used. A part of the loss of the toxins was shown to be due to adsorption on lake sediments.

引用

页码：423 / 428

页数：6

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