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- Title
Removal of Anabaena sp. bloom and microcystin-LR by coculturing with Mucor rouxii pellets.
- Authors
Al-Mamoori, Ayad M.J.; Al-Shammari, Rana H. H.; Al-amari, Moayed J.Y.; Al-Juboori, Maher M. K.
- Abstract
In this study, biocontrol of harmful effect of cyanobacterial blooms and their toxins by "flocculation-biosorption" was achieved. Five fungal species were isolated from decayed cyanobacterial bloom which are: Aspergillus fumigatus, A. niger, Penicillium, Trichoderma ressei and Mucor rouxii. We chose the last species' pellets because they are the most stable and cocultured with Anabeana sp. (1:5 fungal: cyanobacteria ratio) of dry weight, Harvest Efficacy HE% by fungal pellets started after 12h of co-culturing about (4%) and almost complete harvesting after 48h with (98%), then we add 0.1g of Magnetite nano Fe3o4 to facilitate removing cyanobacterial blooms. Microcystin-LR extracted from Anabaena sp. were purified and collected by preparative high-performance liquid chromatography (HPLC) was 75.1 (µg ml-1), M. rouxii pellet absorbed about 85% of Microcystin-LR after 72 h of incubation at 25 °C.
- Subjects
ANABAENA; CYANOBACTERIAL blooms; HIGH performance liquid chromatography; MUCOR; MICROCYSTINS; CYANOBACTERIAL toxins; ASPERGILLUS fumigatus
- Publication
Aquatic Ecosystem Health & Management, 2020, Vol 23, Issue 3, p267
- ISSN
1463-4988
- Publication type
Article
- DOI
10.1080/14634988.2020.1816002