1 Ocak 2021 Dergi makalesi Açık Erişim

Kayihan, Doga Selin; Kayihan, Ceyhun; Ciftci, Yelda Ozden

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    "creators": [
      {
        "affiliation": "Gebze Tech Univ, Dept Mol Biol & Genet, Kocaeli, Turkey", 
        "name": "Kayihan, Doga Selin"
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      {
        "affiliation": "Baskent Univ, Dept Mol Biol & Genet, Ankara, Turkey", 
        "name": "Kayihan, Ceyhun"
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      {
        "affiliation": "Gebze Tech Univ, Dept Mol Biol & Genet, Kocaeli, Turkey", 
        "name": "Ciftci, Yelda Ozden"
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    "description": "Plants encounter many environmental factors such as low and high temperatures during phytoremediation processes. In this study, our aim was to produce the transgenic tobacco plants by using a newly characterized bacterial nitroreductase,Ntr, which was active at a broad range temperature in order to detoxify 2,4-dinitrotoluene (2,4-DNT) at lower temperature. The presence ofNtrand its heterologous expression was verified in T1 transgenic plants and their growing ability were determined under toxic amount of 2,4-DNT (35 mu M). Fresh weight and dry weight of transgenic plants were significantly higher than wild type (WT) under toxic 2,4-DNT at 22 degrees C, indicating higher growth capacity of the transgenics. Transgenic plants also showed a higher tolerance than WT when exposed to 2,4-DNT at 15 degrees C. Moreover, transformation rate of 2,4-DNT was gradually decreased through decreasing temperatures in WT media, however, it was increased through decreasing temperatures in transgenic plant TR3-25 media and it had the highest transformation rate (54%) of 2,4-DNT at 4 degrees C. Correlatively, 2,4-DNT treatment at 4 degrees C led to a significant decrease in H(2)O(2)level in transgenic plants. Thus, transgenic plants overexpressing nitroreductase might have an important advantage for phytoremediation of toxic nitroaromatic compounds in field applications at low temperatures.", 
    "doi": "10.1080/15226514.2020.1786795", 
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      "issue": "1", 
      "pages": "1-9", 
      "title": "INTERNATIONAL JOURNAL OF PHYTOREMEDIATION", 
      "volume": "23"
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    "publication_date": "2021-01-01", 
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    "title": "Transgenic tobacco plants overexpressing a cold-adaptive nitroreductase gene exhibited enhanced 2,4-dinitrotoluene detoxification rate at low temperature"
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