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Ostreopsis spp.: Morphology, proliferation and toxic profile in the North-West of Agadir (North Atlantic Ocean).

Regional Studies in Marine Science, ISSN: 2352-4855, Vol: 56, Page: 102713
2022
  • 7
    Citations
  • 0
    Usage
  • 10
    Captures
  • 0
    Mentions
  • 6
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    7
    • Citation Indexes
      5
    • Policy Citations
      2
      • Policy Citation
        2
  • Captures
    10
  • Social Media
    6
    • Shares, Likes & Comments
      6
      • Facebook
        6

Article Description

The distribution of benthic Ostreopsis species is poorly known in the Moroccan coasts. The current study is aiming to investigate: i) the distribution of Ostreopsis spp. cells on macroalgae and in the seawater column of the Cape Ghir area (North-West of Agadir) during the summer season of Ostreopsis from July 15 to November 17, 2020; ii) the toxic profile at the level of the three matrices (benthic Ostreopsis attached to macroalgae, Ostreopsis in the water column and mussels) via chemical analysis using mass spectrometry. A taxonomic study of Ostreopsis spp. was carried out using the light and inverted optical microscopes. Chemical analysis showed the presence of ovatoxins (OvTX-A and OvTX-B) in Ostreopsis samples in low quantities, in the order of fg.cell −1 and at levels below the limit of quantification (0.04 μ g.mL −1 ) in mussels. Morphological observations showed that the cells were ovoid and flattened, large, and ventrally pointed with a dorsoventral diameter (DV) and width (W) of 57- 84μm and 33- 52μm, respectively, and a dorsoventral/anteroposterior diameter (DV/AP) of about 3.23.

Bibliographic Details

Houda Alkhatib; Asmae Bennouna; Rachid Abouabdellah; Zouher Amzil; Fabienne Herve; Cyrielle Amour Moussavou-Mouity; Salaheddine Elayoubi; Mohammed Bekkali; Abdelilah Fahde

Elsevier BV

Agricultural and Biological Sciences; Environmental Science

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