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Found: 22 Piece 0.001 sn
Collection : Technical, Science a ... ✕Researcher : Yılmaz KAYA ✕
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Yrd. Doç. Dr. Yılmaz KAYAFen Fakültesi
Technical, Science and Applied SciencesKyrgyz-Turkish Manas University Institutional Collection
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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 ...More

Article 2020 Fen Fakültesi Journal of Tropical Life Science (JTLS)10 ( 3 ) 26 Views
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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 ...More

Article 2023 Fen Fakültesi Journal of Applied Phycology35 ( 2 ) 67 Views
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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 ...More

Article 2022 Fen Fakültesi Frontiers in Life Sciences and Related Technologies3 ( 2 ) 44 Views
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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 ...More

Article 2023 Fen Fakültesi Journal of Biomolecular Structure and Dynamics42 ( 3 ) 54 Views
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The power of retrotransposons in high-throughput genotyping and sequencing

Yılmaz KAYA

The use of molecular markers has become an essential part of molecular genetics through their application in numerous fields, which includes identification of genes associated with targeted traits, operation of backcrossing programs, modern plant breeding, genetic characterization, and marker-assisted selection. Transposable elements are a core component of all eukaryotic genomes, making them suitable as molecular markers. Most of the large plant genomes consist primarily of transposable elements; variations in their abundance contribute to most of the variation in genome size. Retrotransposon ...More

Review 2023 Fen Fakültesi Frontiers in Plant Science14 51 Views
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Production of secondary metabolites using tissue culture-based biotechnological applications

Yılmaz KAYA

Plants are the sources of many bioactive secondary metabolites which are present in plant organs including leaves, stems, roots, and flowers. Although they provide advantages to the plants in many cases, they are not necessary for metabolisms related to growth, development, and reproduction. They are specific to plant species and are precursor substances, which can be modified for generations of various compounds in different plant species. Secondary metabolites are used in many industries, including dye, food processing and cosmetic industries, and in agricultural control as well as being use ...More

Review 2023 Fen Fakültesi Frontiers in Plant Science14 17 Views
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The effect of leaf blight disease of rice caused by Pantoea ananatis on Nikita, Osr30 and RIRE1 retrotransposons’ movements

Yılmaz KAYA

Changing environmental conditions can cause diseases in plants, leading to novel interactions between plants and stress factors. In this respect, the relationships between pathogens and plants regarding epigenetics have still been investigated. Our aim is to examine the effect of leaf blight bacterial causal agent, Pantoea ananatis isolate PaTo34a1, on barley- and rice-specific retrotransposons’ (Nikita, Osr30 and RIRE1, respectively) movements in different rice cultivars (Oryza sativa L. cv. Tosya, Cameo, Arize, Ronaldo, Osmancik-97, Kale, Baldo, Bafra, Hakkari and Vasco) collected from diffe ...More

Article 2023 Fen Fakültesi Journal of Plant Pathology105 ( 4 ) 15 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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Chemical Characteristics and Biotechnological Potentials of Mumio

Yılmaz KAYA

Mumio is a valuable substance that ranges in color from pale brown to blackish-brown and is obtained from rock layers in various mountain ranges worldwide, particularly in the Tien Shan ranges of Kyrgyzstan. It is also a natural chemical found largely in the Himalayas, created over ages by the progressive degradation of particular plants by bacteria. Mumio is essentially a nutraceutical product with considerable human health advantages. To fully appreciate the predicted impact of mumio use in the medical area, particularly in neurological sciences, more research at both the fundamental biology ...More

Article 2023 Fen Fakültesi MANAS Journal of Agriculture, Veterinary and Life Science (MJAVL)13 ( 2 ) 15 Views
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A 2,2-dichloropropionic acid-degrading novel Pseudomonas fluorescence strain fatsa001: isolation, identification, and characterization

Gülbübü KURMANBEKOVA | Yılmaz KAYA

There are mounting concerns over the high concentrations of non-biogenic, toxic halogenated organic compounds being liberated into the ecosystem. Therefore, this study’s isolation of a novel bacterium from a contaminated stream in Fatsa, Ordu, Turkey, adept in degrading 2,2-dichloropropionic (of 2,2-DCP) is a welcome endeavor. The ability of the bacterial isolate to utilize 2,2-DCP as the sole carbon and energy source was discovered when the bacterium was observed to grow well on liquid minimal media containing 20 mM of 2,2-DCP, showing a doubling time of 14.2 h. The following genetic and bioc ...More

Article 2024 Fen Fakültesi Bioremediation Journal ( Published online: 27 Feb 2024 ) 5 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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Agrobacterium- mediated transformation of Turkish upland rice (Oryza sativa L.) for Dalapon herbicide tolerance

Yılmaz KAYA | İbrahim İlker ÖZYİĞİT | Ali ASLAN

Agrobacterium-mediated transformation of upland rice is established in few numbers of cultivars due to the high cultivar-specificity of regeneration from transformed explants. Further, dehalogenase E (dehE) gene had been characterized in Pseudomonas putida and it produces an enzyme that degrades dalapon. This study aimed to transform Turkish upland rice with the dehE herbicide resistant gene and addresses the challenges of transgenic rice recovery by identifying explant and transformation method. Constructed vector pCAMdehE carrying dehE gene was transferred into the rice shoot apex by Agrobac ...More

Article 2020 Fen Fakültesi Indian Journal of Biotechnology (IJBT)19 ( 4 ) 134 Views
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