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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 5, Part G

Pathogenicity of Exophiala xenobiotica isolated from infected Crocodile fish for Rabbit fish Siganus rivulatus (Forsskål, 1775)


Author(s): MA Abdel-Sater, AM Abdel-Hadi, UM Abdul-Raouf, Fatma AS Mohamed and AM Emam

Abstract: In our study, we isolated 49 isolates belonging to three species and four genera from infected Crocodile fish (Cymbacephalus beauforti) collected from Hurghada, Red Sea. Of the few fungi isolated; (Cladosporium cladosporioides, Aspergillus versicolor, Exophiala and Rhodotorula sp.). The black yeast was identified by molecular sequence analysis of the internal transcript spacer (ITS) region of the ribosomal RNA gene. After sequencing the internal transcribed spacer domain, the fungus was identified as Exophiala xenobiotica and it was selected to infect an economical fish (Rabbit fish; Siganus rivulatus). Pathogenicity test showed a highly systematic infection of the liver and kidney of Rabbit fish. Histology revealed granulomatous infiltration containing septate, brown-colored dematiaceous hyphae in the liver and kidney while gills showed high damage with no lesion in the skin.

Pages: 483-488  |  874 Views  44 Downloads

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How to cite this article:
MA Abdel-Sater, AM Abdel-Hadi, UM Abdul-Raouf, Fatma AS Mohamed, AM Emam. Pathogenicity of Exophiala xenobiotica isolated from infected Crocodile fish for Rabbit fish Siganus rivulatus (Forsskål, 1775). Int J Fish Aquat Stud 2016;4(5):483-488.
International Journal of Fisheries and Aquatic Studies