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Effects of Gamma-Radiation on DNA Damage in Onion (Allium cepa L.) Seedlings.
Bolsunovsky, A Ya; Dementyev, D V; Frolova, T S; Trofimova, E A; Iniatkina, E M; Vasilyev, S A; Sinitsyna, O I.
Afiliação
  • Bolsunovsky AY; Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia. radecol@ibp.ru.
  • Dementyev DV; Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia.
  • Frolova TS; Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia.
  • Trofimova EA; Novosibirsk State University, 630090, Novosibirsk, Russia.
  • Iniatkina EM; Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia.
  • Vasilyev SA; Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia.
  • Sinitsyna OI; Research Institute of Medical Genetics, Tomsk National Research Medical Center, Russian Academy of Sciences, 634058, Tomsk, Russia.
Dokl Biochem Biophys ; 489(1): 362-366, 2019 Nov.
Article em En | MEDLINE | ID: mdl-32130600
ABSTRACT
The effect of γ-radiation on the level of nuclear DNA damage in onion seedlings (Allium-test) was studied using the comet assay. DNA breaks were first found in cells of onion seedlings exposed to low-dose radiation (≤ 0.1 Gy). Dose dependence of DNA damage parameters showed nonlinear behavior a linear section in the low-dose region (below 0.1 Gy) and a dose-independent plateau in the dose range between 1 and 5 Gy. Thus, the comet assay can be used to estimate the biological effects of low-dose γ-radiation on Allium cepa seedlings.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dano ao DNA / Cebolas / Plântula / Raios gama Idioma: En Revista: Dokl Biochem Biophys Assunto da revista: BIOFISICA / BIOQUIMICA Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Federação Russa
Texto completo
Adicionar na Minha BVS
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XML
PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dano ao DNA / Cebolas / Plântula / Raios gama Idioma: En Revista: Dokl Biochem Biophys Assunto da revista: BIOFISICA / BIOQUIMICA Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Federação Russa