Alterations in superoxide dismutase activity due to heterologous gene expression: plant peculiarities / Sakhno L.O. 2015

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Sakhno L.O.

Aims. The analysis of the information about the features of transgenic plants bearing some genes which influenced on the activity of one from enzymes of plant antioxidant defence, namely superoxide dismutase, was the aim. Results. The review presents and summarizes the literature and own data reflecting physiological, biochemical and molecular biological parameters of plants possessing higher or lower superoxide dismutase activity due to transgenesis. Conclusions. Transgenic plants having the increased SOD activity would demonstrate no phenotype changes under favourable conditions (or these changes have not been studied). But often they produced larger biomass and were characterized by higher vegetative growth rate, higher total soluble protein and changed chlorophyll content in comparison with wild type ones and/or transgenic plants bearing only empty vector. For most of them the improved tolerance to stresses of different origin has been proved in laboratory and field trials. Biotechnological plants characterizing by increased SOD activity in non-stressed conditions may have higher adaptive capacity compared ones possessing lowered SOD activity.

Keywords: SOD activity, transgenic plants, favourable conditions, stress.

The study was partially supported by grant N0115U004171 of National Academy of Science of Ukraine.

  • Sakhno L.O. Alterations in superoxide dismutase activity due to heterologous gene expression: plant peculiarities // Фактори експериментальної еволюції органiзмiв: Зб. наук. пр. / Національна академія наук України, Інститут молекулярної біології і генетикп, Укр. Т-во генетиків і селекціонерів iм. М.I. Вавилова; редкол. / В. А. Кунах (голов. ред.) [та iн.] – К.: Укр. т-во генетиків і селекціонерів ім. М.І. Вавилова, 2015. – Т. 17. – С. 274-279
  • Доклад на X Международной научной конференции «Факторы экспериментальной эволюции организмов»
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