Publication: Effects of living cyanobacteria, cyanobacterial extracts and pure microcystins on growth and ultrastructure of microalgae and bacteria
Authors
Aboal Sanjurjo, Marina ; Valdor Alonso, Rut
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Publisher
Elsevier
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DOI
https://doi.org/10.1016/j.toxicon.2006.11.025
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info:eu-repo/semantics/article
Description
©2006. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
This document is the Accepted, version of a Published Work that appeared in final form in Toxicon: An Interdisciplinary Journal on the Toxins Derived from Animals, Plants and Microorganisms. To access the final edited and published work see https://doi.org/10.1016/j.toxicon.2006.11.025
Abstract
In this study, we demonstrate the inhibitory effect of both cyanobacterial extracts and pure microcystins on the growth of microalgae and bacteria. This inhibitory effect was more persistent in pure microcystins than in the extracts, which lost their properties eight days after exposure. In addition, the effects on bacteria were longerlasting than those on microalgae.
The microalgae exposed to both extracts and cultures of microcystin producing species showed morphological and ultrastructural alterations, even in cases where there was no clear effect on growth. The implications for colonisation and benthic communities structure and development are discussed in the context of biomonitoring.
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Citation
Toxicon 49 (2007) 769–779
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