Browsing by Author "Murat YİĞİT"

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    A comparative evaluation of hematological and biochemical parameters between the Italian mullet Mugil cephalus (Linnaeus 1758) and the Turkish mullet Chelon auratus (Risso 1810)
    (2020-11-01) Murat YİĞİT; Rifat TEZEL; Ferhat YALGIN; Osman Sabri KESBİÇ; Murat ÇELİK; Francesco FAZIO; Ümit ACAR; Sevdan YILMAZ; Concetta SAOCA
    This study aimed to carry out a comparative evaluation of the hematological profile (erythrocyte count, hemoglobinconcentration, hematocrit, and Wintrobe index parameters such as mean corpuscular volume, mean corpuscular hemoglobin,and mean corpuscular hemoglobin concentration), in addition to certain biochemical parameters (aspartate aminotransferase,alanine aminotransferase, alkaline phosphatase, lactate dehydrogenase, serum total protein, albumin, glucose, total cholesterol, andtriglycerides), in the Italian mullet Mugil cephalus (Linnaeus 1758) and the Turkish mullet Chelon auratus (Risso 1810). Accordingly,two groups of fish were used in this study: 30 flathead grey mullets, M. cephalus, caught in Lake Faro, Italy, and 30 golden grey mullets, C.auratus, caught in the estuarine channel system of Köyceğiz–Dalyan, Turkey. Statistical evaluations (unpaired t-test) revealed that therewere no significant differences in weight or total length values between the two mullet groups. However, the differences between all theevaluated blood parameters (except alanine aminotransferase) between the Italian and the Turkish mullet were significant (P < 0.0001).The present study demonstrated that there were significant hematological and biochemical differences between the Italian (M. cephalus)and the Turkish (C. auratus) mullet. Our findings also contribute to expanding the knowledge on the hematology and biochemistry oftwo different species of mullet originating from two different habitats. Since the evaluation of blood parameters represents an essentialtool in examining the effects of environmental conditions on fish physiology and, consequently, on fish health status, further research inthis field is encouraged and would be very useful.
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    Antibiotic Resistance of Stenotrophomonas maltophilia Strains Isolated from Horses
    (2019-03-01) Murat YİĞİT; Uçkun Sait UÇAN; Bilal Osamah MOHAMMED
    Stenotrophomonas maltophilia is a member of gamma proteobacteria that has been frequently isolated from humansas well as from animals. One of the most outstanding feature of S. maltophilia is its antibacterial resistance that isbasicly controlled by various pathways including intrinsic manner. By this study we aimed to evaluate theinteraction of S. maltophilia suspected equine strains with various antibiotics in the presence of Thymoquinone invitro. Disc diffusion technique was used for measuring interactions between the thymoquinone and others. Nomeasurable inhibition zone for synergistic or antagonistic effect between the thymoquinone and test antibioticswas observed. However, the thymoquinone itself has an antibacterial potential.