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Les cyanobactéries, de l’oxygénation terrestre aux substances naturelles

Abstract : Cyanobacteria constitute a Gram negative bacterial phylum capable of oxygenic photosynthesis. While changing the biology and geochemistry of Earth by producing oxygen for billion years, they also greatly diversified in their morphology, ecology, physiology and genome content compared to other bacterial phyla. Numerous cyanobacteria are also excellent at producing bloom in fresh and marine waterbodies using just nitrate, phosphate and light. While these massive developments are inaesthetic and malodorous along coastal and river borders, they are also toxic preventing the use of these waters without costly treatments. In addition, blooms can produce at large scale a wide diversity of secondary metabolites, from toxic compounds at risk for human and animal health to natural products with potential for biotechnology and drugs development or chemical inspiration. Thus, in this chapter, we will discuss of the cyanobacteria, their colonisation capacity and their synthesis of interesting molecules (lipids, antibiotic, antifungal, antiviral...).
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Submitted on : Friday, February 22, 2019 - 11:44:09 AM
Last modification on : Thursday, April 7, 2022 - 10:10:36 AM


  • HAL Id : pasteur-02045740, version 1



Muriel Gugger. Les cyanobactéries, de l’oxygénation terrestre aux substances naturelles. Laurent Palka. Microbiodiversité : un nouveau regard, Editions Matériologiques, pp.255-274, 2018, 978-2-37361-162-5. ⟨pasteur-02045740⟩



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