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

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

Araştırma sonucu: Dergi katkısıMakalebilirkişi

7 Alıntılar (Scopus)

Özet

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.

Tercüme edilen katkı başlığı[Reactivation of oxygen accumulation function after complete removal of manganese from the photosystem II particles].
Orijinal dilRusça
Sayfa (başlangıç-bitiş)61-65
Sayfa sayısı5
DergiBiofizika
Hacim33
Basın numarası1
Yayın durumuYayınlanan - Oca 1988

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