Morphometric, Molecular and Phylogenic Analysis of Dactylogyrus Parasites in Cultivated Silver Carp (Hypophthalmichthys molitrix) and Big Head Carp (Hypophthalmichthys nobilis) in Guilan Province Using 28SrDNA Gene

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DAGHIGH ROOHI JAVAD; DALIMI ABDOLHOSSEIN; POURKAZEMI MOHAMMAD; Ghasemi Mohaddes; SHAMSI SHOKOOFEH

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Journal: Journal of Veterinary Research Year:2020 | Volume:75 | Issue:3 Page(s): 310-319

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Title

Morphometric, Molecular and Phylogenic Analysis of Dactylogyrus Parasites in Cultivated Silver Carp (Hypophthalmichthys molitrix) and Big Head Carp (Hypophthalmichthys nobilis) in Guilan Province Using 28SrDNA Gene

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Keywords

Hypophthalmichthys molitrixQ1

Hypophthalmichthys nobilisQ1

DactylogyrusQ1

GeneQ2

28SrDNAQ1

Abstract

BACKGROUND: Dactylogyrus is one of the most common external parasites on the gills of Cyprind fish. These parasites are highly host specific and many species only have a specific host. OBJECTIVES: Since there are reports of silver carp specific Dactylogyrus species isolated from big head carp and vice versa, the investigation of Dactylogyrids have been done in these two fish species. METHODS: 81 silver carp and 82 big head carp were caught from 10 fish farms in Guilan province and after preparing wet mounts of body surface Dactylogyrus parasites divided and fixed by glycerin jelly. In order to perform morphometric assessments on captured images, Image J software was used for 7 point to point distances. Drawing of parasites was done by drawing tube and then compared by identification keys and parasites identified. For molecular investigation the genomic DNA was extracted from one parasite specimen and 28S rDNA region of Dactylogyrus specimens were amplified by related primers in PCR. RESULTS: Sequences were deposited in GenBank with accession numbers MG825611 and MG825765 respectively for D. hypophthalmichthys and D. suchengtaii isolated from Hypophthalmichthys molitrix, and also MH023397 and MH023399 respectively for D. aristichthys and D. nobilis isolated from Hypophthalmichthys nobilis. The phyloGenetic tree shows the Genetic affinity of isolated parasites from these two fish. CONCLUSIONS: It seems hybrid fish are sometimes produced accidentally in fish reproduction centers of Iran. Racial impurity of silver carp and big head carp is not only the reason of poorer breeding efficiency in fish farms but also these hybrid fish are hosts of more parasitic species.

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APA: Copy

DAGHIGH ROOHI, JAVAD, DALIMI, ABDOLHOSSEIN, POURKAZEMI, MOHAMMAD, Ghasemi, Mohaddes, & SHAMSI, SHOKOOFEH. (2020). Morphometric, Molecular and Phylogenic Analysis of Dactylogyrus Parasites in Cultivated Silver Carp (Hypophthalmichthys molitrix) and Big Head Carp (Hypophthalmichthys nobilis) in Guilan Province Using 28SrDNA Gene. JOURNAL OF VETERINARY RESEARCH, 75(3 ), 310-319. SID. https://sid.ir/paper/407657/en

Vancouver: Copy

DAGHIGH ROOHI JAVAD, DALIMI ABDOLHOSSEIN, POURKAZEMI MOHAMMAD, Ghasemi Mohaddes, SHAMSI SHOKOOFEH. Morphometric, Molecular and Phylogenic Analysis of Dactylogyrus Parasites in Cultivated Silver Carp (Hypophthalmichthys molitrix) and Big Head Carp (Hypophthalmichthys nobilis) in Guilan Province Using 28SrDNA Gene. JOURNAL OF VETERINARY RESEARCH[Internet]. 2020;75(3 ):310-319. Available from: https://sid.ir/paper/407657/en

IEEE: Copy

JAVAD DAGHIGH ROOHI, ABDOLHOSSEIN DALIMI, MOHAMMAD POURKAZEMI, Mohaddes Ghasemi, and SHOKOOFEH SHAMSI, “Morphometric, Molecular and Phylogenic Analysis of Dactylogyrus Parasites in Cultivated Silver Carp (Hypophthalmichthys molitrix) and Big Head Carp (Hypophthalmichthys nobilis) in Guilan Province Using 28SrDNA Gene,” JOURNAL OF VETERINARY RESEARCH, vol. 75, no. 3 , pp. 310–319, 2020, [Online]. Available: https://sid.ir/paper/407657/en

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