First report of microcystin-producing Fischerella sp (Stigonematales, Cyanobacteria) in tropical Australia

被引：36

作者：

Cires, Samuel ^{[1
,2
,5
]}

Alvarez-Roa, Carlos ^{[1
,2
]}

Wood, Susanna A. ^{[3
,4
]}

Puddick, Jonathan ^{[3
]}

Loza, Virginia ^{[1
,2
]}

Heimann, Kirsten ^{[1
,2
,5
,6
]}

机构：

[1] James Cook Univ, Sch Marine & Trop Biol, Townsville, Qld 4811, Australia

[2] James Cook Univ, Ctr Sustainable Fisheries & Aquaculture, Townsville, Qld 4811, Australia

[3] Cawthron Inst, Nelson 7042, New Zealand

[4] Univ Waikato, Dept Biol Sci, Hamilton 2001, New Zealand

[5] James Cook Univ, Comparat Genom Ctr, Townsville, Qld 4811, Australia

[6] James Cook Univ, Ctr Biodiscovery & Mol Dev Therapeut, Townsville, Qld 4811, Australia

来源：

TOXICON | 2014年 / 88卷

关键词：

Microcystin; Stigonematales; Fischerella; Hepatotoxin; Benthic; Tropical; LAKES;

D O I：

10.1016/j.toxicon.2014.06.010

中图分类号：

R9 [药学];

学科分类号：

1007 ;

摘要：

A polyphasic study of four Stigonematales cyanobacteria from tropical Australia (Queensland.) revealed production of the hepatotoxins microcystins (MC-LR, MC-LA, MC-LF, MC-FR and demethyl-MC-LR) by Fischerella sp. NQAIF311 isolated from a seasonal creek. Total microcystin content reached 43 mu g g(-1) dry weight. Phylogeny demonstrated high sequence similarities for 16S rRNA (99%), mcyE (97%) and mgD (95%) genes with microcystin-producing Fischerella sp. CENA161 from Brazil. This is the first report of a cyanotoxin-producing Stigonematal in Australia. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：62 / 66

页数：5

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