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Найденный: 114 Экземпляр 0.003 sn
Вид публикации : Статья ✕Кафедра : Biyoloji Bölümü ✕
Коллекция [1]
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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 ...Более

Статья 2021 Fen Fakültesi International Journal of Secondary Metabolite (IJSM)8 ( 4 ) 49 Просмотры
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Characterization of a 2,2-dichloropropionic acid (2,2-dcp) degrading alkalotorelant bacillus megaterium strain bhs1 isolated from blue lake in Turkey

Yılmaz KAYA

An acid, 2,2-dichloropropionic acid (2,2-DCP) is an active ingredient in herbicide (Dalapon®). Using 2,2-DCP as a model substrate, an alkalotolerant bacterium was successfully isolated from the Blue Lake, Turkey. This bacterium is a potential bioremediation agent of recalcitrant xenobiotic halogenated compounds. This study aimed to prove the efficacy of the alkalotolerance Bacillus megaterium BHS1 in degrading 2,2-DCP as the sole source of carbon. Biolog GEN III system and 16S rRNA analysis were used for the identification of the bacterium. It was discovered that the strain BHS1 is Bacillus m ...Более

Статья 2020 Fen Fakültesi Journal of Tropical Life Science (JTLS)10 ( 3 ) 26 Просмотры
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Interactive effects of cold and temperate conditions on growth and biochemical content of Antarctic microalga Chlorella variabilis YTU.ANTARCTIC.001

Yılmaz KAYA

The aim of this study was to isolate and identify Antarctica microalgae collected through the National Antarctic Science Expedition and to examine the growth responses and biochemical contents of Chlorella variabilis under cold and temperate cultivation conditions in growth medium consisting of various nitrogen concentrations under different lighting cycle parameters. In this study, the Antarctic microalgae Chlorella variabilis YTU.ANTARCTIC.001, was cultivated at different temperatures of 4, 13, 20 and 27 °C in modified BG-11 medium with various concentrations of NaNO3 (0, 0.75, 1.5, 2.5 and ...Более

Статья 2023 Fen Fakültesi Journal of Applied Phycology35 ( 2 ) 67 Просмотры
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Lichens and lichenicolous fungi from Bitlis province in Turkey

Ali ASLAN

As a result of lichenological exploration in Bitlis province (Turkey), a total of 325 lichens and 21 lichenicolous fungi, which are belonging 113 genera in Ascomycota were determined from 92 different localities. Buellia vouauxii, a lichenicolous fungus, and is new to Turkey and also new for Asia. Aspicilia glomerulans, Llimoniella muralicola, Myriolecis invadens, Ochrolechia subviridis, Placynthium hungaricum and Placynthium posterulum were reported for the second time from Turkey. Collecting localities and their substrata are presented.

Статья 2020 Fen Fakültesi Lindbergia2020 ( 1 ) 35 Просмотры
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Lichens and Lichenicolous Fungi from Muş Province in Turkey

Ali ASLAN

A contribution to the lichen flora of Turkey is presented. A total of 282 lichen taxa and 20 lichenicolous fungi, of which 4 are varieties, are determined from 87 different localities in Muş province (Turkey). Lichenostigmagracile, a lichenicolous fungus, is new to Turkey, and 274 lichen species and 20 lichenicolous fungi are new for Muş.

Статья 2020 Fen Fakültesi Acta Botanica Hungarica62 ( 3-4 ) 46 Просмотры
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Serum biochemical reference values of Kyrgyz donkeys (Equus asinus)

Nurcamal ÖMÜRZAKOVA

The aim of the study was to determine the some serum biochemical values of Kyrgyz donkeys and present the reference values. Fifty (50) healthy donkeys in different ages (6–24 months, 2–15 years, and > 15 years old) and gender (male and female) were clinically examined and blood samples were taken. Serum triglycerides (TG), creatine phosphokinase (CPK), aspartate aminotransferase (AST), gamma glutamyl transferase (GGT), alkaline phosphatase (ALP), total bilirubin (TBil), total protein (TP), albumin (Alb), creatinine (Creat), urea (Urea), amylase (Amy), lipase (Lip), calcium (Ca), magnesium (Mg) ...Более

Статья 2019 Fen Fakültesi Comparative Clinical Pathology28 ( 3 ) 70 Просмотры
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Exploring of the ameliorative effects of Nerium (Nerium oleander L.) ethanolic flower extract in streptozotocin induced diabetic rats via biochemical, histological and molecular aspects

Ali ASLAN

Background: Nerium oleander L. is ethnopharmacologically used for diabetes. Our aim was to investigate the ameliorative effects of ethanolic Nerium flower extract (NFE) in STZ-induced diabetic rats. Methods: Seven random groups including control group, NFE group (50 mg/kg), diabetic group, glibenclamide group and NFE treated groups (25 mg/kg, 75 mg/kg, and 225 mg/kg) were composed of forty-nine rats. Blood glucose level, glycated hemoglobin (HbA1c), insulin level, liver damage parameters and lipid profile parameters were investigated. Antioxidant defense system enzyme activities and reduced gl ...Более

Статья 2023 Fen Fakültesi Molecular Biology Reports50 ( 5 ) 23 Просмотры
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Kırgızistan çeltik üretimine genel bir bakış

Bermet KIDIRALİYEVA | Nurcamal ÖMÜRZAKOVA | Yılmaz KAYA

Çeltik, Antarktika hariç tüm kıtalarda yetiştirilen dünyanın en değerli gıda ürünleri arasında yer almaktadır. Küresel ölçekte, ekim alanı açısından değerlendirildiğinde buğdaydan sonra ikinci sırada yer almakla birlikte verimi yaklaşık olarak toplam buğday verimine eşittir. Kırgızistan, çeltik yetiştiriciliği bakımından önde gelen ülkeler arasında yer almamakta, bu bölgede sadece yerel ölçekte üretim yapılmaktadır. Kırgızistan’ın güney bölgesi çeltik tarımına elverişli olduğu için son 10 yılda nispeten çeltik ekim alanları ve tüketimi artmıştır. Çeltiğe ilginin artmasına; nüfus artışı, ekonom ...Более

Статья 2022 Fen Fakültesi Frontiers in Life Sciences and Related Technologies3 ( 2 ) 44 Просмотры
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Investigation of the allelopathic effects of lyophilized ethanol extract of Xanthoparmelia somloensis (Gyelnik) Hale lichen on tomato plant

Ali ASLAN

All organisms in nature interact and compete with each other. Various groups of organisms such as algae, lichens, crops and weeds have been found as allelopathic interaction and it is known that lichens have many potent secondary metabolites. The aim of this study was to determine the allelopathic effects of lyophilized ethanolic extract of Xanthoparmelia somloensis (Gyelnik) Hale lichen (XS) on tomato (Lycopersicum esculentum L.) germination and early development stage. Obtained lyophilized ethanolic extracts of XS lichen at concentrations of 50 ppm (XS-50), 100 ppm (XS-100), 200 ppm (XS-200) ...Более

Статья 2022 Fen Fakültesi Anatolian Journal of Botany6 ( 1 ) 36 Просмотры
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Comparative modeling and enzymatic affinity of novel haloacid dehalogenase from Bacillus megaterium strain BHS1 isolated from alkaline Blue Lake in Turkey

Yılmaz KAYA

This study presents the initial structural model of L-haloacid dehalogenase (DehLBHS1) from Bacillus megaterium BHS1, an alkalotolerant bacterium known for its ability to degrade halogenated environmental pollutants. The model provides insights into the structural features of DehLBHS1 and expands our understanding of the enzymatic mechanisms involved in the degradation of these hazardous pollutants. Key amino acid residues (Arg40, Phe59, Asn118, Asn176, and Trp178) in DehLBHS1 were identified to play critical roles in catalysis and molecular recognition of haloalkanoic acid, essential for effi ...Более

Статья 2023 Fen Fakültesi Journal of Biomolecular Structure and Dynamics42 ( 3 ) 54 Просмотры
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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 ...Более

Статья 2023 Fen Fakültesi Frontiers in Veterinary Science10 38 Просмотры
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Lichens as Biomonitors of Air Pollutants Deposition: Strategically Important Element Pollution

Ali ASLAN

Investigation of various species of lichen as biomonitors of air pollutants deposition and evaluation of element pollution were aimed. Maximum accumulation was 43.9±2.1 mg/kg in X. somloensis. Strontium in lichen species was quite high. Percentages of strontium for L.pulmonaria, C.furcata, U.longissima, X.somloensis, and F.caperata were between 58 and 78 indicating the efficient accumulation of strontium. Lichens were also accumulated strategically important elements. Maximum contamination factors in lichens were for strontium and tantalum. Maximum contamination factors of hafnium, niobium, li ...Более

Статья 2023 Fen Fakültesi Bitlis Eren Üniversitesi Fen Bilimleri Dergisi12 ( 2 ) 39 Просмотры
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