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UN Sustainable Development : Partnership for the ... ✕Department : Biyoloji Bölümü ✕
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Partnership for the goalsStrengthen the means of implementation and revitalize the global partnership for sustainable development
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Biological activities and chemical composition of Xanthoria lichens from Turkey

Ali ASLAN

This study presents the biopharmaceutical potential and bioactive composition of Xanthoria lichens (X. candelaria, X. elegans, X. parietina) that wildly grown and traditionally utilized as medicine in North Eastern Anatolia, Turkey, which has specific microclimatic and ecological zones. Chromatographic findings revealed significant levels of parietin compound (35 to 49 mg/g extract), low levels of various fatty acids and a volatile compound; α-terpinene in the extracts. The extracts exhibited pronounced antioxidant potential through reducing and scavenging mechanisms; FCR: 33-38 mg gallic acid ...More

Article 2021 Fen Fakültesi International Journal of Secondary Metabolite (IJSM)8 ( 4 ) 49 Views
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Epidemiological characteristics and financial losses due to avian aspergillosis in households in the Almaty region, Republic of Kazakhstan

Nurbek ALDAYAROV

Aspergillosis is a severe fungal disease that affects all species and ages of poultry and leads to significant economic losses within the poultry industry. The economic significance of aspergillosis is associated with direct losses due to poultry mortality, a decline in the production of meat and eggs, feed conversion, and poor growth of recovering poultry. Although a decrease in the production of poultry meat and eggs in Kazakhstan due to this fungal disease has been widely reported, studies on the consequent financial losses on affected farms (households) have not been carried out. This stud ...More

Article 2023 Fen Fakültesi Frontiers in Veterinary Science10 38 Views
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Differentiation of Bos grunniens and Bos Taurus based on STR locus polymorphism = Дифференциация Bos grunniens и Bos taurus на основании полиморфизма STR-локусов

Kadırbay ÇEKİROV | Bermet KIDIRALİYEVA

Differentiation of closely related biological species using molecular genetic analysis is important for breeding farm animals, creating hybrid lines, maintaining the genetic purity of breeds, lines and layering. Bos grunniens and Bos taurus differentiation based on STR locus polymorphism will help maintain the genetic isolation of these species and identify hybrid individuals. The aim of this study is to assess the differentiating potential of 15 microsatellite locito distinguish between domestic yak (B. grunniens) bred in the Kalmak-Ashuu highland region (Kochkor district, Naryn region, Kyrgy ...More

Article 2023 Fen Fakültesi Vavilovskii zhurnal genetiki i selektsii / Вавиловский журнал генетики и селекции27 ( 5 ) 19 Views
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ANALYSES of P-Tst-1, P-Tst-3 and P-Tst-6 RETROTRANSPOSONS IN CONVENTIONALLY AND ORGANICALLY PRODUCED TOMATOES

Yılmaz KAYA

Tomato is one of the best-studied cultivated dicotyledonous plants in molecular studies. Mobile genetic elements constitute large parts of plant genomes. Retrotransposons are mobile genetic elements within the genome and constitute more than 60 of the tomato genome.Transposable elements (TE) or transposons are DNA sequences that can alter their position within a genome, cause mutations and change the genetic identity of the cells and genome size. We aimed to analyze potato specific-P-Tst-1, P-Tst-3 and P-Tst-6 retrotransposon movements in tomatoes at different developmental stages (mature seed ...More

Article 2023 Fen Fakültesi Journal of Animal and Plant Sciences (JAPS)33 ( 5 ) 34 Views
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Influence of Peptide Bioregulators on Indicators of Hemostasis in Blood of Irradiated Experimental Animals at Low Altitude Conditions

Gülbübü KURMANBEKOVA | Nurcamal ÖMÜRZAKOVA | Bermet KIDIRALİYEVA

In modern biology and medicine, much attention is paid to the study of the hemostasis regulation of some cell populations by substances of a peptide nature. They have the ability to regulate the functional and proliferative activity of cells and ensure communication in normal and pathological conditions. Research data showed that significant violations of the hemostatic system also occur with radiation damage to the body. One of the first radiation responses involves the coagulation cascade's activation, which leads to the breakdown of fibrinogen and the formation of fibrin clots. The potentia ...More

Article 2023 Fen Fakültesi Journal of the Turkish Chemical Society Section A: Chemistry10 ( 4 ) 18 Views
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Soil–Plant Interactions in the High-Altitude Ecosystems: A Case Study from Kaz Dağı (Mount Ida), Turkey

Zeki SEVEROĞLU

Kaz Dağı, the ancient Mount Ida, is a mountainous area and one of the important biodiversity spots, located in the north of Edremit in northwestern Anatolia. The area abounds in fertile soils, wetlands, underground resources, favorable climatic conditions, interesting geomorphological characteristics, and several world famous archeological and cultural places. Southwestern part of the mountain has been declared as a national park in 1993, which hosts a very rich and diverse flora including many endemic and rare species; a majority of these are of great economical and ethnobotanical significanc ...More

Article 2015 Fen Fakültesi Climate Change Impacts on High-Altitude Ecosystems 59 Views
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The brown lacewings (Neuroptera, Hemerobiidae) of northwestern Turkey with new records, their spatio-temporal distribution and harbouring plants

Savaş CANBULAT

The brown lacewings (Neuroptera, Hemerobiidae) of northwestern Turkey with new records, their spatio-temporal distribution and harbouring plants. The occurrence and spatio-temporal distribution of brown lacewing species (Neuroptera, Hemerobiidae) in Bursa province, northwestern Turkey, was investigated during 1999-2011. A total of 852 brown lacewing specimens of 20 species, including the genera of Hemerobius, Megalomus, Micromus, Sympherobius, and Wesmaelius were collected. Of these, 12 species were new records for northwestern Turkey while Sympherobius klapaleki is a new record for the Neurop ...More

Article 2014 Fen Fakültesi Revista Brasileira de Entomologia58 ( 2 ) 79 Views
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Cotton Biotechnology: An Efficient Gene Transfer Protocol via Agrobacterium tumefaciens for a Greater Transgenic Recovery

İbrahim İlker ÖZYİĞİT | Yılmaz KAYA

Due to its economic worth, cotton (Gossypium hirsutum L.) is grown in almost 70 countries and provides income for more than 250 million people. Therefore, producing cotton with having some desired characteristics that includes extended biotic and abiotic stress tolerance, improved fiber quality, promoted nutritional content and increased yield is the main objective for cotton biotechnology. To achieve this goal, many tissue culture and gene transfer techniques are being developed and used throughout the years. As applications for the gene transfer, the Agrobacterium-mediated, particle bombardm ...More

Review 2022 Fen Fakültesi Journal of Natural Fibers19 ( 15 ) 115 Views
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Heavy Metal Levels and Mineral Nutrient Status in Different Parts of Various Medicinal Plants Collected from Eastern Mediterranean Region of Turkey

İbrahim İlker ÖZYİĞİT

Medicinal plants have been used for treatment of many diseases since the ancient times with traditional knowledge being transferred from generation to generation. However, in recent years, many natural habitats have been contaminated due to increased anthropogenic activities. Plants which are exposed to heavy metal toxicity may experience several serious problems. Furthermore, the inclusion of these plants into the food chain poses a threat to human health as well. Additionally, presence of heavy metals directly effect mineral nutrition and consequently the food quality. The aim of this study ...More

Article 2019 Fen Fakültesi Biological Trace Element Research197 ( 1 ) 15 Views
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Activity of tissue enzymes in cows (Bos taurus) and yaks (Bos grunniens) kept under different environmental conditions = Активность тканевых ферментов у коров (Bos Taurus) и яков (Bos Grunniens), содержащихся в разных экологических условиях

Nurcamal ÖMÜRZAKOVA | Gülbübü KURMANBEKOVA | Salkın BEYŞENALİYEVA | Bermet KIDIRALİYEVA | Elmira TABILDİYEVA

Определены степени активности аспартатаминотрансферазы (АсАТ), аланинаминотрансферазы (АлАТ), уровень общего билирубина, прямого и непрямого билирубина в сыворотке крови у коров и яков, содержавшихся в разных экологических условиях. Статистическая обработка результатов проведена при помощи методов биометрического анализа. Для исследования взято по 20 голов яков (Bos grunniens) и коров (Bos Taurus) в возрасте 2-3 лет. В условиях высокогорья, в котором содержались яки (>2200м над ур. м.) в сыворотке крови выявлена повышенная активность АсАТ (124,2±6,27 ед/л) по сравнению с коровами (90,47±4,23 е ...More

Article 2018 Fen Fakültesi Вестник Томского государственного университета. Биология / Vestnik Tomskogo Gosudarstvennogo Universiteta. Biologiya ( 42 ) 63 Views
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Economic Impacts of Bt (Bacillus thuringiensis) Cotton

İbrahim İlker ÖZYİĞİT

In recent years, high-yield production has gained importance due to the decrease in agricultural fields in the world and the rapid increase in the population. Cotton is an important source of income for farmers worldwide and is an important crop, especially for the textile industry. Bt-cotton technology, which entered our lives in 1996, has been quickly adopted in many developed and developing countries. It has been shown to provide advantages in many areas. In particular, the economic growth is gaining importance every year. Additionally, it has also brought an environmentally friendly soluti ...More

Article 2021 Fen Fakültesi Journal of Natural Fibers19 ( 12 ) 73 Views
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Morphological variation, genetic diversity and phylogenetic relationships of Hypericum triquetrifolium Turra populations from Tunisia

İbrahim İlker ÖZYİĞİT

Hypericum triquetrifolium Turra is an ecologically, medicinally and economically important species in Tunisia. Thirty-six Hypericum individuals sampled from 6 northern Tunisian locations were investigated for their diversity and relationships using 10 inter-simple sequence repeats (ISSR) markers and 10 morphological features at vegetative stage. The phylogenetic analysis, using 308 bp of sequenced ITS1 region, identified the Hypericum individuals as H. triquetrifolium that clustered with members of genus Hypericum section 9, 9a, 9b and 27, in agreement with the previous molecular classificatio ...More

Article 2021 Fen Fakültesi Biotechnology and Biotechnological Equipment35 ( 1 ) 51 Views
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