Investigation of the state of manganese in the chloroplasts by the EPR method

Z. P. Gribova, A. N. Tikhonov

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


In chloroplasts isolated in tris HCl buffer in the presence of 0·1 m NaCl and in the absence of salts an asymmetrical EPR spectrum of Mn2+ was observed differing in form from the EPR spectrum of the hydrated Mn2+ ion usually observed in the chloroplasts treated with ultrasound reductants and 1·8 m tris HCl buffer (pH 8). The transition from the asymmetrical spectrum to the symmetrical occurs in the presence of reductants and in a number of cases is induced by light. The causes of the asymmetry of the EPR spectrum of Mn2+ in the chloroplasts are discussed.

Original languageEnglish
Pages (from-to)676-682
Number of pages7
Issue number4
Publication statusPublished - Dec 1 1977
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics


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