Journal of Stress Physiology & Biochemistry (Feb 2013)

Cold Hardening Prevents H2O2-induced Programmed Cell Death in Maize Coleoptiles

  • Korsukova, A. V.,
  • Grabelnych, O. I.,
  • Pobezhimova, T. P.,
  • Koroleva, N. A.,
  • Fedoseeva, I. V.,
  • Pavlovskaya, N. S.,
  • Lyubushkina, I. V.,
  • Borovik, O. A.,
  • Fedyaeva, A. V.,
  • Voznenko, S. A.,
  • Ilyushneva, E. M.,
  • Voinikov, V. K.

Journal volume & issue
Vol. 9, no. 1
pp. 246 – 257

Abstract

Read online

An influence of cold hardening (8 °С, 7 days) on the respiration intensity, the content of reactive oxygen species and DNA fragmentation in coleoptiles of maize etiolated seedlings of different ages and a possibility of the cold hardening to prevent execution of the cell death, induced by treatment with 10 mM H2O2 (for 4 hours) of seedlings have been studied. It has been shown that H2O2induces total DNA fragmentation in coleoptiles of maize etiolated seedlings, and a preliminary cold hardening prevents this process.

Keywords