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ÖZÜİÇLİ, MEHMET

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ÖZÜİÇLİ

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MEHMET

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    Publication
    Association between ovine toll-like receptor 4 (TLR4) gene coding variants and presence of eimeria spp. in naturally infected adult Turkish native sheep
    (Taylor, 2020-09-23) Yaman, Yalçın; Aymaz, Ramazan; Keles, Murat; Bay, Veysel; Özuiçli, Mehmet; Şenlik, Bayram; ÖZÜİÇLİ, MEHMET; ŞENLİK, BAYRAM; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı; JIF-7199-2023; GBN-0139-2022
    Coccidiosis caused byEimeriaspp. is a protozoan disease prevalent in farm animals, and it is responsible for serious economic losses especially in young animals. It has been popular to breed disease-resistant animals due to the concern about food safety, animal welfare, and public health. Toll-like receptor (TLR) gene family plays a key role in the innate immune system participating in host-antigen interaction, therefore, they are candidate genes for breeding disease-resistant animals. In the present study, possible genetic associations betweenTLR4gene coding variants and the presence ofEimeriaspp. in adult Turkish sheep were investigated. For this purpose, the presence ofEimeriaspp. in fecal samples from six native Turkish sheep were determined, and approximately 1450 bp region in the 3rd exon of the ovineTLR4gene was sequenced. Ten nonsynonymous and four synonymous single nucleotide polymorphisms (SNPs) were detected in the targeted region. Statistical analyses revealed that the SNP at the codon at 356(th)position encoding Leucine instead of Phenylalanine (F356L) was significantly associated with the presence ofEimeriaspp. It was found that the individuals carrying at least one Leucine amino acid sequence at this position have 2.3-fold more risk for the presence ofEimeriaspp.
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    Publication
    Detecting fecal egg count (FEC) for gastrointestinal nematodes of adult Turkish sheep with different scrapie related PRNP haplotypes
    (Taylor & Francis, 2020-12-10) Yaman, Yalçın; Şenlik, Bayram; Özuiçli, Mehmet; Keleş, Murat; Aymaz, Ramazan; Bay, Veysel; Hatipoğlu, Ecem; Koncagül, Seyrani; Öner, Yasemin; Ün, Cemal; ŞENLİK, BAYRAM; ÖZÜİÇLİ, MEHMET; ÖNER, YASEMİN; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Biyometri ve Genetik Bölümü.; GBN-0139-2022 ; JIF-7199-2023 ; ABB-3181-2020
    Scrapie is a transmissible spongiform encephalopathy caused by prions and leads to neurodegeneration in the Central Nervous System (CNS) of sheep and goats. Genetic resistance/susceptibility to scrapie is well studied and it is known that the variations of 136th, 154th and 171st codons at the ovine PRNP gene have a major effect on the development of the disease. Many studies demonstrated that selection for PRNP genotypes has not influenced other performance traits, nevertheless, there is a knowledge gap about the possible link between the PRNP gene and the status of the other important diseases that affect the sheep population worldwide. In the present study, we tested whether there is an association between scrapie-related PRNP genotypes and fecal egg count (FEC) of gastrointestinal nematodes in seven adult Turkish sheep breeds. For this purpose, FEC scores of studied sheep (n = 253) were determined and the same animals were genotyped for the PRNP gene. Finally, an association analysis was performed for scrapie resistant (ARR), susceptible (VRQ), and wild-type (ARQ) haplotypes. Based on our statistical analysis, it is concluded that PRNP genotypes have no positive or negative effect on the FEC scores of adult sheep.
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    Publication
    First molecular detection of Nosema ceranae in Azerbaijan
    (Taylor & Francis, 2019-05-30) Utuk, Arnnağan Erdem; Aliyeva, Rafiga; Girişgin, Ahmet Onur; Gökmen, Tülin Güven; Özüiçli, Mehmet; Aydın, Levent; GİRİŞGİN, AHMET ONUR; ÖZÜİÇLİ, MEHMET; AYDIN, LEVENT; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; 0000-0002-0020-2708; B-5286-2017; HLG-4450-2023
    Nosemosis is an important adult honey bee disease and causes economic losses worldwide. The aim of this study was to determine the Nosema species in honey bees (Apis mellifera) of Azerbaijan. For this aim, honey bee samples were collected from the Central (Ganja), Northern (Qakh) and Southern (Astara) parts of the country. Samples were examined microscopically, and 10 out of 24 samples (41.6%) were found to be positive for Nosema sp. spores. Positive samples were tested with a multiplex-PCR for the detection of Nosema species. As a result of our study, we could not detect N. apis but we determined the N. ceranae for the first time in Azerbaijan.
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    Publication
    Investigation of the bee-repellent properties of cotton fabrics treated with microencapsulated essential oils
    (Sage, 2019-04-01) Eyüpoğlu, Şeyda; Kut, Dilek; Girişgin, Ahmet Onur; Eyüpoğlu, Can; Özüiçli, Mehmet; Dayıoğlu, Habip; Civan, Mustafa; Aydın, Levent; KUT, YAŞAR DİLEK; GİRİŞGİN, AHMET ONUR; ÖZÜİÇLİ, MEHMET; AYDIN, LEVENT; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Parazitoloji Anabilim Dalı; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi/Tekstil Mühendisliği Bölümü; 0000-0002-0020-2708; 0000-0002-9059-0838; AAH-4335-2021; B-5286-2017; FQC-4674-2022; HLG-4450-2023
    In this study, to produce single-use bee-repellent fabrics, a variety of essential oils were encapsulated with gum arabic wall material at a 1:5 ratio of wall to the core substance. The following core substances were used: lavender oil, laurel oil, fennel oil, N, N-diethyl-3-methylbenzamide (DEET), lavender + laurel oil, lavender + fennel oil, laurel + fennel oil, lavender + fennel + laurel oil, lavender oil + DEET, fennel oil + DEET and laurel oil + DEET. Lavender, fennel and laurel oils were analyzed by high-performance liquid chromatography. In this context, 11 different microcapsules were produced. After the microencapsulation process, the microcapsules were analyzed with a light microscope and by Fourier transform infrared spectroscopy. Furthermore, an image processing application was developed and implemented to determine the particle size distribution of the microcapsules. After the analysis of the microcapsules, cotton fabric samples were treated with the microcapsules. In order to analyze the microcapsules on the fabric samples, scanning electron microscopy (SEM) was used. To analyze the bee-repellent abilities of the fabric samples, 12 different measurement cabinets made of pine tree and glass were produced. According to the results, lavender and fennel oils can be used as bee-repellent alternatives to DEET in beekeeping.