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Mol Biol Rep ; 48(7): 5393-5397, 2021 Jul.
Article in English | MEDLINE | ID: mdl-34283333

ABSTRACT

Cyanobacteria and their pollution are being increasingly commonly reported worldwide that cause a serious hazard to environmental and human health. Cyanotoxin was the most algal toxin reported to be produced by several orders of cyanobacteria. This study aimed to provide a technique to detect cylindrosprmopsin and saxitoxin biosynthesis genes in the river. In November, December 2019, and January 2020. Cyanobacteria were isolated from freshwater of Tigris River and identified by compound microscope also conventional PCR. Five isolates of cyanobacteria that successfully amplified a gene fragment from the phycocyanin were found in all cyanobacteria (Microcystis flosaquae, Microcystis sp, anabaena circinalis, nostoc commune and westiellopsis prolifica) and all isolates successfully amplified aoaC gene to detecting the cylidrospemopsin and the saxitoxin. Our results concluded that PCR assay can be used for early detection of cylidrospemopsin and the saxitoxin producing cyanobacteria in river water that useful to stations responsible for the preparation of drinking water to public.


Subject(s)
Cyanobacteria/classification , Cyanobacteria/genetics , Rivers/microbiology , Water Microbiology , Cyanobacteria/isolation & purification , Cyanobacteria/metabolism , Cyanobacteria Toxins/biosynthesis , Cyanobacteria Toxins/genetics , Iraq , Polymerase Chain Reaction , Saxitoxin/biosynthesis , Saxitoxin/genetics , Sequence Analysis, DNA
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