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  • 1
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    Short communication: Occurrence of squamous cell carcinoma in a platy fish (Xiphophorus maculatus): A case report (2018)
    Details
    Publication Date: 2021-05-19
    Description: According to prior reports, similar to mammals, fish are frequently affected by neoplastic proliferations. These neoplasms are classified according to the mammalian tumor classification System (Rahmati-Holasoo et al., 2010). Squamous cell carcinoma (SCC) is one of the most common forms of skin neoplasm in which cells in the epithelial layer of the skin develop into a malignant tumor. SCC has been reported in both fresh and marine water fish (Mawdesley-Thomas and Bucke, 1967) Squamous cell carcinoma has been reported in a number of species, for example, Atlantic salmon, Salmo salar L. (Roberts, 1972); oscar, Astronotus ocellatus (Rahmati-Holasoo et al., 2010); rudd, Scardinius erythrophthalmus (Hanjavanit and Mulcahy, 2004); gudgeon, Gobio gobio (Mawdesley-Thomas and Bucke, 1967); gulf menhaden, Brevoortia patronus Goode (Fournie et al., 1987); and the hybrid sunfish (Fitzgerald et al., 1991). In spite of the fact that reports have been previously published on SCC in various species of fish, to the best of the author’s knowledge, this is the first report on SCC in platy fish (Xiphophorus maculatus) in the world.
    Description: Published
    Keywords: Platy fish ; Xiphophorus maculatus ; Squamous cell carcinoma ; Histopathology ; A case report
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.1349-1353
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  • 2
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    Histopathological changes of liver, kidney and gill in warm water fishes (Cyprinus carpio and Ctenopharyngodon idella and Hypophthalmichtys militrix) in Khouzestan province during winter season (2018)
    Iranian Fisheries Science Research Institute | Ahvaz, Iran
    Details
    Publication Date: 2021-05-19
    Description: In this research 90 fish (30 common carp, 30 grass carp, 30 silver carp) respectively with average weight of 8.5+0.7 ...........
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fish ; Chemical ; Histology ; Gill
    Repository Name: AquaDocs
    Type: Report , Not Known
    Format: 98pp.
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  • 3
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    Phylogenetic relationships of Iranian Infectious Pancreatic Necrosis Virus (IPNV) based on deduced amino acid sequences of genome segment A and B cDNA (2018)
    Details
    Publication Date: 2021-05-19
    Description: Infectious Pancreatic Necrosis Virus (IPNV) is the causal agent of a highly contagious disease that affects many species of fish and shellfish. This virus causes economically important diseases of farmed rainbow trout, Oncorhynchus mykiss, in Iran which is often associated with the transmission of pathogens from European resources. In this study, moribund rainbow trout fry were collected during an outbreak of IPNV in three different fish farms in one northern province (Mazandaran), and two west provinces (Chaharmahal and Bakhtiari, and Kohgiluyeh and Boyer Ahmad) of Iran. We investigated full genome sequence of Iranian IPNV and compared it with previously identified IPNV sequences. The sequences of different structural and non-structural protein genes were compared with other aquatic birnaviruses sequenced to date. Our results showed that the Iranian isolate fall within genogroup 5, serotype A2 strain SP, having 99 % identity with the strain 1146 from Spain. These results suggest that the Iranian isolate may have originated from Europe.
    Description: Published
    Keywords: Biology ; Physiology ; Molecular characterization ; IPNV ; Virus ; Aquatic birnaviruses ; Rainbow trout ; Phylogenetics ; Amino acid ; Genome
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.560-575
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  • 4
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    Cloning and expression of the constant region of rainbow trout (Onchorhynchus mykiss) µ immunoglobulin chain in Escherichia coli (2018)
    Details
    Publication Date: 2021-05-19
    Description: The importance of rainbow trout (Onchorhynchus mykiss) in Iran aquaculture industry on one hand, and increasing the mortality of this fish due to outbreaks of infectious diseases, on the other hand, indicate the requirement for more profound understanding the rainbow trout immune system and access to laboratory tools for definitive diagnosis of its diseases. One of the most important defense mechanisms of vertebrates including fish is the production of immunoglobulin against microbial pathogens. In rainbow trout, dominant immunoglobulin in serum is immunoglobulin M (IgM). The purpose of this study was the cloning and expression of the constant region of rainbow trout IgM heavy chain (µ chain) gene in Escherichia coli. Therefore, RNA of the targeted gene was extracted from spleen and head kidney of rainbow trout and the constant region of µ chain was amplified by RT-PCR. The amplified fragment was ligated to pMALc2x vector and transferred to DH5α strain of E. coli. Recombinant vector transformed and expressed into E. coli Rosetta strain. SDS-PAGE analysis indicated the production of a recombinant protein with an expected molecular weight of 75 KDa. Thereafter, the recombinant protein was purified by amylose resin and its antigenicity was accessed by immunoblotting. Positive reaction of the expressed protein with anti-trout serum indicated that the expressed constant region of trout µ chain possess antigenic epitopes and could be applied in future immunological studies.
    Description: Published
    Keywords: Immunoglobulin M ; Rainbow trout ; Immunoblotting ; pMALc2x ; Onchorhynchus mykiss ; Escherichia coli
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.573-584
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  • 5
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    Effects of handling, crowding and anesthesia stress on some hormonal, biochemical and hematological factors of young reared beluga (Huso huso) (2018)
    Iranian Fisheries Science Research Institute | Ahvaz, Iran
    Details
    Publication Date: 2021-05-19
    Description: Fish are easily stressed by handling, crowding and transport and stress can result in immuno-suppression, physical injury or even death. ....
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fish ; Anesthesia ; Stress ; Hormone ; Hematological indices
    Repository Name: AquaDocs
    Type: Report , Not Known
    Format: 245pp.
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  • 6
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    Isolation and molecular identification of Vibrio harveyi from cultured Asian seabass in farms located south provinces of IRAN (2019)
    Details
    Publication Date: 2021-05-19
    Description: Vibrio harveyi is one of the opportunistic marine environment bacteria that are considered as one of the main causes of Asian seabass vibriosis diseases in many marine cage farms in the world. The aims of this study were isolation and identification of these bacteria in cultured Asian seabass in farms, located southern provinces of IRAN (Khuzestan, Bushehr and Hormozgan). In this study, a total number of 110 Asian seabass (80, with clinical sings of disease and 30, apparently healthy fish) with different body weight ranging 50-700g were sampled. Isolation was done from internal organs (kidney, heart, spleen and liver) in common method of bacterial isolation and isolates subjected to phenotypic and molecular characteristics using duplex PCR amplification of the 16SrDNA & vhh genes respectively genus & species-specific gene. The results of PCR showed that of the 95 phenotypically identified isolates, only 65 isolates belong to the genus vibrio and 46 (70.76%) of them were identified as Vibrio harveyi. These results indicate a high present of Vibrio harveyi in cultured Asian seabass in studied farms. Results of the biochemical characteristics of the isolates confirmed with PCR, showed isolates have different reaction in several biochemical tests. Accordingly, the duplex PCR method presented in this study was introduce as an accurate and rapid method for diagnosis of V. harveyi.
    Description: Published
    Keywords: Vibrio harveyi ; Asian seabass ; Cage culture ; Vibriosis ; PCR ; Identification
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.61-69
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  • 7
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    Determine of appropriate concentration of propofol anesthetic drug in Benni (Barbus sharpeyi) (2017)
    Details
    Publication Date: 2021-05-19
    Description: The propofol anesthetic drug was used on 60 farmed Benny fish (Barbus sharpeyi) with mean (±SD) weight and length 99±30g and 208±19.2cm, respectively. The fish were divided into 6 treatments of 10 fish. The treatment 1(control group) was not exposed to any type of anesthesia material. Five treatments were exposed to propofol anesthetic drug with 2, 4, 6, 8 and 10mg/l concentration by immersion method. The mean time of initial anesthesia, mean time of total anesthesia, mean recovery time from anesthesia and survival rate were investigated in treatments. Results showed that increasing of propofol dose had reduced with time of initial anesthesia. Treatment 2 and 3 with 2 and 4mg/l of propofol were significantly different with treatment 5 and 6 with 8 and 10mg/l of propofol material. The mean time of total anesthesia in treatments 5 and 6 with 8 and 10mg/l of propofol material were significantly different with treatments 2, 3 and 4 with 2, 4 and 6mg/l of propofol material, respectively. The mean (±SD) recovery time from anesthesia in Benny fish in treatment 5(8mg/l) was highest amount (428±33S) compared to other treatments. Survival rate in all treatment except treatment 6 (70%) was 100%. Overall, it appears that propofol material was as an anesthetic drug that present experiment showed safety. In 4-6mg/l concentration had the best performance in total anesthesia and recovery to initial condition.
    Description: Published
    Keywords: Barbus sharpeyi ; Benni ; Fish Culture ; Fish physiology ; Concentrations
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.133-142
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  • 8
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    A preliminary study on ulcerative skin lesions in Sea - Caged Grouper (Epinephelus coioides) (2018)
    Details
    Publication Date: 2021-05-19
    Description: A low incidence mortality (15%) was observed in sea-caged grouper (Epinephlus coioides) in the Persian Gulf (Mahshahr, Khouzestan) following introducing the fishes to the cages in December 1993. Clinically, the affected fish showed multiple-round Skin lesions, penetrating to the underlying muscles, ulceration of jaws, fin and tail rot and opacity of eyes. Results of bacteriological study indicated that the organism isolated from the lesion belonged to the genera Pasteurella, Aeromonas and Streptococcus. Treatment of infected fishes with Halamid (N.sodium-N-chloroparatoluene sulphonamide) at 8 mg/lit for one hour of tank water as bath, together with topical cleaning of lesions by Betadin solution resulted in improving of the condition. Mechanical damage and improper water exchange suspected to be the predisposing factors for occurrence of the condition.
    Description: Published
    Keywords: Clinically ; Bacteriological ; Mechanical damage ; Ulcerative Skin Lesions ; Sea - Caged ; Incidence mortality ; Fishes ; Affected fish ; Skin lesions ; Penetrating ; Muscles ; Jaws ; Fin ; Tail ; Opacity of eyes ; Organisms ; Genera ; Pasteurella ; Aeromonas ; Streptococcus ; Halamid ; Betadin solution ; Epinephelus coioides
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.37-42
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  • 9
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    The effects of brown algae Sargassum angustifolium extract on growth performance, survival and Vibriosis resistance in shrimp Litopenaeus vannamei (2017)
    Details
    Publication Date: 2021-05-19
    Description: In this study, the effect of ethanolic extracts of Sargassum angustifolium on growth and survival of shrimp Litopenaeus vannamei juvenile was investigated under challenge with shrimp pathogen bacteria Vibrio harveyi. Powder form of the extract was bioencapsulated in Artemia and fed to L. vannamei juvenile reared as 5 groups inclouding C- (unenriched Artemia, without bacteria), C+ (unenriched Artemia, with bacteria), T1 (enriched Artemia with 200 mg l-1 SA extract, with bacteria), T2 (enriched Artemia with 400 mg l-1 SA extract, with bacteria), T3 (enriched Artemia with 600 mg l-1 SA extract, with bacteria). One week after culture all groups except C- were inoculated with V. harveyi at the rate of 1.5 × 108 CFU ml-1 for 15 minutes then after every water exchange 10 ml of V. harveyi at the rate of 1.5 × 107 CFU ml-1 was added to aquaria. Shrimps at group C- showed maximum survival (86.6%), specific growth rate (SGR, 11.33%) and less bacterial load (0.5 ± 0.03× 102 CFU g-1 tissue). While (C2) exhibited lowest survival (33.3%), SGR (9.90%) and more bacterial load (3.4 ± 0.05× 105 CFU g-1 tissue) and the difference was significant (p〈0.05). In treatment groups survival and SGR were significantly (p〈0.05) more than C+ and less than C-, also bacterial load were less than C+ and more than C-. Among treatment groups T2 that fed with enriched artemia with 400 mg l-1 SA extract gave better results than the other treatments
    Description: Published
    Keywords: Sargassum angustifolium ; Ethanolic Extract ; Litopenaeus vannamei ; Vibrio harveyi ; Shrimp ; Growth ; Survival ; Algae
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.31-41
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  • 10
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    Isolation and expression of recombinant viral protein (VP2) from Iranian isolates of Infectious Pancreatic Necrosis Virus (IPNV) in Escherichia coli (2018)
    Details
    Publication Date: 2021-05-19
    Description: Infectious Pancreatic Necrosis Virus (IPNV) is a member of the family Birnaviridae that has been linked to high mortalities in salmonids. Bacterial based systems as live vectors for the delivery of heterologous antigens offer a number of advantages as vaccination strategies. VP2 is a structural viral protein of IPNV with immunogenicity effects. In this study IPNV was isolated from diseased fry of rainbow trout Oncorhynchus mykiss (Walbaum) using CHSE-214. Then an expression vector was constructed for expression of viral protein VP2. The designed vector was constructed based upon pET-26b (+) with T7 promoter. A fragment containing the full length of the VP2 gene of Iranian Sp strain was amplified by PCR using genomic RNA of IPNV as template and cloned inpET-26b(+) plasmid. Recombinant structural viral protein VP2 was expressed as a soluble, N-terminal PelB fusion protein and secreted into the periplasmic space of Escherichia coli BL21(DE3) and Rosetta (DE3). The glucose, Isopropyl-β-D- thiogalactopyranoside (IPTG) was used as a chemical inducer for rVP2 production in 37º C. The rVP2 was extracted from the periplasm by osmotic shock treatment. The presence of gene in bacterial system of E. coli was confirmed by gel electrophoresis technique. The constructed vector could efficiently express the rVP2 into the periplasmic space of E. coli. The successful cloning and expression of the structural viral protein gene into E. coli can be used for developing a useful and safe vaccine to control IPNV infection in Iranian fish industry.
    Description: Published
    Keywords: Fish disease ; Oncorhynchus mykiss ; VP2 ; Infectious Pancreatic Necrosis Virus ; Recombinant viral protein ; Periplasmic space ; Escherichia coli
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.856-868
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