[Reaktivatsiia funktsii vydeleniia kisloroda posle polnogo udaleniia margantsa iz preparatov fotosistemy II]

Translated title of the contribution: [Reactivation of oxygen accumulation function after complete removal of manganese from the photosystem II particles].

M. A. Shafiev, G. M. Anan'ev, Suleyman Allakhverdiev, T. N. Smolova, V. V. Klimov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Reactivation of 0 2 evolution function has been studied in PS-2 particles after complete removal of Mn and water soluble 10, 17, 24, 33 kDa proteins, It has been shown that 0 2 evolution function in such particles can be reactivated by adding 5 μM Mn 2 and 20 mM Ca 2(+). Preliminary illumination of the sample is necessary to exhibit the reactivation effect of 0 2 evolution. The maximum value of the reactivation of 0 2 evolution rate is about 60% of the control. Upon illumination of the reactivated particles with flashes of 1s duration and at a frequency of 0,1 Hz, 0 2 evolution occurs according to the mechanism analogous to that in the initial parties of PS 2. Thus the reactivation of water oxidation and 0 2 evolution after complete removal of Mn and water soluble 10, 17, 24, 33 kDa proteins resulting in the suppression of 0 2 evolution function has been shown for the first time and it can serve as a basic approach for profound investigation of the mechanism of photosynthetic water oxidation.

Original languageRussian
Pages (from-to)61-65
Number of pages5
JournalBiofizika
Volume33
Issue number1
Publication statusPublished - Jan 1 1988
Externally publishedYes

Fingerprint

Photosystem II Protein Complex
Manganese
Oxygen
Water
Lighting
Proteins

ASJC Scopus subject areas

  • Biophysics

Cite this

Shafiev, M. A., Anan'ev, G. M., Allakhverdiev, S., Smolova, T. N., & Klimov, V. V. (1988). [Reaktivatsiia funktsii vydeleniia kisloroda posle polnogo udaleniia margantsa iz preparatov fotosistemy II]. Biofizika, 33(1), 61-65.

[Reaktivatsiia funktsii vydeleniia kisloroda posle polnogo udaleniia margantsa iz preparatov fotosistemy II]. / Shafiev, M. A.; Anan'ev, G. M.; Allakhverdiev, Suleyman; Smolova, T. N.; Klimov, V. V.

In: Biofizika, Vol. 33, No. 1, 01.01.1988, p. 61-65.

Research output: Contribution to journalArticle

Shafiev, MA, Anan'ev, GM, Allakhverdiev, S, Smolova, TN & Klimov, VV 1988, '[Reaktivatsiia funktsii vydeleniia kisloroda posle polnogo udaleniia margantsa iz preparatov fotosistemy II]', Biofizika, vol. 33, no. 1, pp. 61-65.
Shafiev, M. A. ; Anan'ev, G. M. ; Allakhverdiev, Suleyman ; Smolova, T. N. ; Klimov, V. V. / [Reaktivatsiia funktsii vydeleniia kisloroda posle polnogo udaleniia margantsa iz preparatov fotosistemy II]. In: Biofizika. 1988 ; Vol. 33, No. 1. pp. 61-65.
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