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Assessment of Cd-induced genotoxic damage in Urtica pilulifera L. using RAPD-PCR analysis

İlhan DOĞAN

Plants can be used as biological indicators in assessing the damage done by bioaccumulation of heavy metals and their negative impact on the environment. In the present research, Roman nettle (Urtica pilulifera L.) was employed as a bioindicator for cadmium (Cd) pollution. The comparisons between unexposed and exposed plant samples revealed inhibition of the root growth (∼25.96% and ∼45.92% after treatment with 100 and 200 µmol/L Cd concentrations, respectively), reduction in the total soluble protein quantities (∼53.92% and ∼66.29% after treatment with 100 and 200 µmol/L Cd concentrations, re ...Более

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Screening of damage induced by lead (Pb) in rye (Secale cereale L.) – a genetic and physiological approach

İlhan DOĞAN

The fields in which lead (Pb) finds application in the modern world have increased dramatically in recent years. As a consequence of this intensive utilization of Pb, its toxicity tends to pose more and more environmental problems. The aim of this study was to evaluate the genotoxic potential of Pb and to characterize some physiological parameters in Secale cereale under Pb stress. Plants were subjected to different exposure levels of Pb (0, 100, 200 and 400 µmol/L) for two weeks. At the end of the experimental period, the effects of Pb exposure on the photosynthetic pigments content (chloroph ...Более

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Analysis of EST-SSRs in silver birch (Betula pendula Roth.)

İlhan DOĞAN

Simple sequence repeats (SSRs) defined as sequence repeat units between 1 and 6 bp occur abundantly in both coding and non-coding regions in eukaryotic genomes and these repeats can affect gene expression. In this study, ESTs (expressed sequence tags) of Betula pendula (silver birch) were analyzed for in silico mining of EST-SSRs, protein annotation, open reading frames (ORFs), designing primers, and identifying codon repetitions. In B. pendula, the frequency of ESTs containing SSRs was 7.8 % with an average of 1SSR/4. 78 kb of EST sequences. A total of 188 SSRs was identified by using MISA so ...Более

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Detection of physiological and genotoxic damages reflecting toxicity in Kalanchoe clones

İlhan DOĞAN

In order to make assessments in understanding of physiological and genotoxic effects of imposing cadmium (Cd) on photosynthetic pigment contents along with the changes occurring in genetic material of Kalanchoe plants were used in relation to various Cd-treatments. Young plantlets were originated from a single host plant as clones, and developed in vitro. Developed clones were grown in standard pots with daily watering of Hoagland solution (20 ml) containing different concentrations of cadmium chloride for two months. Cd concentrations of the collected samples were measured by employing ICP-OE ...Более

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