J Integr Plant Biol. ›› 2002, Vol. 44 ›› Issue (1): 117-119.

• Research Articles • Previous Articles     Next Articles

Effect of Inhibitor K-23 on O2-evolution and Hill Activity of PSⅡMembrane Fragments of Spinacia oleracea

LI Shu-Qin, TANG Chong-Qin, DONG Feng-Qin, LI Liang-Bi, KUANG Ting-Yun, A. A. KH OROBRYKH and V. V. KLIMOV   

Abstract:

 

 

 

抑制剂K-23对菠菜光系统放氧活性和希尔反应的影响

李淑芹1 唐崇钦1 董凤琴1 李良璧1 匡廷云1

A.A. KHOROBRYKH2  V.V.KLIMOV2

1. 中国科学院植物研究所光合作用研究中心,北京 100093

2. Institute of Basic Biological Problem, Russion Academy of Sciences, Pushchin, Moscow region 142290, Russia)

 

摘要: 研究了新的抑制剂K-23对波菜(Spinacia oleracea Mill.PS放氧活性和26-dichlorophenol indophenol (DCIP) 光还原活性的影响。研究发现:抑制剂K-23在低浓度时对PS放氧活性有明显促进作用,而对DCIP光还原活性的促进作用不太明显。在高浓度时抑制PS放氧活性和DCIP光还原。对K-23的抑制部位进行了初步探讨。

关键词: 抑制剂K-23PS;放氧活性;希尔反应;菠菜

 

Key words: inhibitor K-23, PSⅡ, oxygen evolution, Hill activity, spinach

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