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- W2330761526 abstract "DAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials DAO 113:227-234 (2015) - DOI: https://doi.org/10.3354/dao02850 Histopathological effects of atrazine on gills of Caspian kutum Rutilus frisii kutum fingerlings Zahra Khoshnood1,*, Shahla Jamili2, Saber Khodabandeh3 1Department of Experimental Sciences, College of Science, Dezful Branch, Islamic Azad University, PO Box 313, Dezful, Khuzestan, Iran 2Iranian Fisheries Researches Organization, Tehran, Iran 3Department of Marine Biology, Faculty of Marine Sciences, Tarbiat Modares University, Tehran, Iran *Corresponding author: zkhoshnood@gmail.com ABSTRACT: The use of chemical pesticides has increased environmental pollution and affects fishes as non-target organisms. To investigate the toxic effects of the widely used herbicide atrazine on Caspian kutum Rutilus frisii kutum fingerlings, fish were exposed to a sublethal concentration of half LC50 for 96 h. The main alterations visible in the gill tissue were detachment of the epithelium of the lamellae, necrosis, lamellar fusion, hyperplasia, club shaped lamellae, collapse of the lamellae, shrinkage and curling of the lamellae, and ultrastructural alterations such as necrosis of the apical microridges of the pavement cells. Results also showed that the gill ionocytes were fewer in number and larger in size in the atrazine-exposed fish. Atrazine appears to be highly toxic to Caspian kutum fingerlings even at a sublethal concentration (12.47 mg l-1) and acute exposure. This toxicity could affect gill respiration and ion regulation function of fingerlings by damaging tissue, pavement cells, and ionocytes. KEY WORDS: Ionocyte · Osmoregulation · Toxicology · Immunohistochemistry · Ultrastructure Full text in pdf format PreviousNextCite this article as: Khoshnood Z, Jamili S, Khodabandeh S (2015) Histopathological effects of atrazine on gills of Caspian kutum Rutilus frisii kutum fingerlings. Dis Aquat Org 113:227-234. https://doi.org/10.3354/dao02850 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in DAO Vol. 113, No. 3. Online publication date: April 08, 2015 Print ISSN: 0177-5103; Online ISSN: 1616-1580 Copyright © 2015 Inter-Research." @default.
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- W2330761526 title "Histopathological effects of atrazine on gills of Caspian kutum Rutilus frisii kutum fingerlings" @default.
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