Воздействие свинца и кадмия на экспрессию металлотионеина у половозрелых особей Lymnaea stagnalis L.

  • С. Е. Дромашко Институт генетики и цитологии НАН Беларуси,Беларусь, 220072, г. Минск, ул. Академическая, 27
  • С. Н. Шевцова Институт генетики и цитологии НАН Беларуси,Беларусь, 220072, г. Минск, ул. Академическая, 27
  • А. С. Бабенко РНПЦ онкологии и медицинской радиологии им. Н.Н. Александрова, Беларусь, 223040, Минский р-н, а/г Лесной


Aim. The article deals with the assessment of some heavy metals effects on metallothionein expression in such a test system as the great pond snail L. stagnalis. Methods. There are methods of mollusk specimen cultivation and gene expression level estimation (PCR in real-time mode), as well as data analysis. Results. A significant increase in MT gene expression was observed in both young (4.5 months) and older (7 months) mollusks on the 7th day of exposure to 0.003 mg/L of lead ions as well as significant increase in MT gene expression was observed in older mollusks on the 7th day of exposure to 0.0001–0.001 mg/L of cadmium ions. Conclusions. The expediency of L. stagnalis adults using at the age of 3 to 5 months with other test systems for biotesting liquid metal-containing waste based on the gene expression evaluation in a short (no more than 7 day) experiment using the Real Time PCR has been shown.
Keywords: Lymnaea stagnalis, lead/cadmium, metallothioneins, gene expression, real time PCR.


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