Preliminary Studies on the 43-kD Protein in Phycobilisomes of Cyanobacterium Anacystis nidulans R-2

Chinese Bulletin of Botany ›› 2005, Vol. 22 ›› Issue (03): 302-306.

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Preliminary Studies on the 43-kD Protein in Phycobilisomes of Cyanobacterium Anacystis nidulans R-2

LI Rong-Gui WANG Jing-Chao

(Key Laboratory for Natural Pigment of Shandong Province, Department of Biology, Qingdao University, Qingdao 266071)

Received:2005-01-21 Revised:2005-03-24 Online:2005-06-20 Published:2005-06-20
Contact: Author for correspondence. E-mail: rongguili@yahoo.com

Abstract

Abstract: Phycobilisomes, containing a 43-kD protein, were isolated from Anacystis nidulans R-2. Dissociated phycobilisomes exhibited FNR diaphorase activity. Western blotting showed that the 43-kD protein could react with antibodies raised against Fd:NADP+ oxidoreductase. Analysis by Triton X-114 phase-partitioning indicated that the 43-kD protein could not enter into the detergent phase. Partial dissociation of phycobilisomes revealed no 43-kD protein in the fractions mainly containing rod components.

Key words: Anacystis nidulans R-2, Phycobilisome, Fd:NADP+ oxidoreductase

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[1]	Shan Ying;Guan Ting-lu;Wang Shu-zhi and Lu Rong-zhao. Studies on the Photochemical Activity and Submicroscopic-Structure of Phycobilisome-Thylakoid Membrane of Synechococcus leopoliensis 625 [J]. Chinese Bulletin of Botany, 1993, 10(01): 32-34.
[2]	Lu Rong-zhao;Liu Bin and Zhang Zheng-dong. Studies on the Isolation and Spectral Characteristics of Phycobllisomes From Nostoc flagelliforme [J]. Chinese Bulletin of Botany, 1990, 7(04): 27-30.

Preliminary Studies on the 43-kD Protein in Phycobilisomes of Cyanobacterium Anacystis nidulans R-2

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