Identification and analysis of the spatial distribution of Cyanobacteria in the Aghien lagoon

Rosine Djeha YAO 1, *, Julien Kalpy COULIBALY 1, Martin Kouassi KONAN 1, Mathias Ahoutou KOFFI 3, Éric Kouamé YAO 1, 2, Mireille DOSSO 1 and Joseph Allico DJAMAN 1, 2

1 Pasteur Institute of Ivory Coast, 01 BP 490 Abidjan 01, Côte d’Ivoire.
2 University Félix Houphouët-Boigny, 01 BP V34 Abidjan 01, Côte d’Ivoire.
3 University Jean Lorougnon Guédé, BP 150 Daloa, Côte d’Ivoire.
 
Research Article
World Journal of Advanced Research and Reviews, 2024, 24(01), 2627–2633
Article DOI: 10.30574/wjarr.2024.24.1.3272
 
Publication history: 
Received on 15 September 2024; revised on 25 October 2024; accepted on 28 October 2024
 
Abstract: 
Introduction: Cyanobacteria are aquatic microorganisms that colonize a wide variety of ecosystems. Some produce secondary metabolites with pharmacological activities while some produce toxins harmful to human and animal health. Because of this dual interest, the issue of Cyanobacteria is the subject of much work worldwide. In this context, this study is carried out on the Aghien Lagoon (Cote d'Ivoire) in order to evaluate the photosynthetic activity and analyze the spatial distribution of Cyanobacteria.
Material and Methods: Samples were taken from June 2016 to March 2018 at six stations located on the Aghien Lagoon. Chlorophyll (a) present in the water was measured by monochromatic spectrophotometry. The identification of Cyanobacteria was carried out according to the technique of morphological keys of Cyanobacteria.
Results: The results of this study revealed that the Aghien lagoon is the site of strong photosynthetic activity measurable by variable levels of Chlorophyll a. Also, the results showed that 12 genera of Cyanobacteria are present in the lagoon with producers of secondary metabolites. Stations 2 and 3 near the village of Akandjé were the stations that contained the greatest number of genera of Cyanobacteria.
Conclusion: It emerges from this study that the Aghien lagoon contains several genera of Cyanobacteria with a spatio-dependent distribution. In addition, the genus Microcystis, potentially producing secondary metabolites, is the most widespread genus in this Lagoon.
 
Keywords: 
Cyanobacteria; Aghien lagoon; Chlorophylla; Microcystis; Secondary metabolites
 
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Copyright information: 
Copyright © 2022 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0

 

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