J Biol Chem. 1991 Apr 15;266(11):7239-47.

The "anchor polypeptide" of cyanobacterial phycobilisomes. Molecular characterization of the Synechococcus sp. PCC 6301 apce gene.

Capuano V, Braux AS, Tandeau de Marsac N, Houmard J.

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Centre National de la Recherche Scientifique URA 1129, Département de Biochimie et Génétique Moléculaire, Institut Pasteur, Paris, France.

Abstract

In cyanobacteria, light energy is mainly harvested by the phycobiliproteins that form the phycobilisome rods, and funneled to the photosynthetic reaction centers through the core components. Among them, allophycocyanin (alpha AP, beta AP) and the so-called LCM play a major role. This report deals with the characterization of the apcE gene from Synechococcus sp. PCC 6301 which specifies the LCM. It maps upstream from the apcA gene (alpha AP). Transcriptional analyses demonstrate that the apcABC gene cluster (alpha AP, beta AP, and LC7.8) forms an operon, whereas the apcE gene behaves as a monocistronic unit. The functional organization of the apcEABC gene cluster, as well as of the apcE gene product, of Synechococcus 6301 are compared to their counterparts in three other organisms. Finally, a model is proposed for the architecture of the phycobilisome core.

PMID:: 1901865; [PubMed - indexed for MEDLINE]

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Molecular characterization of the terminal energy acceptor of cyanobacterial phycobilisomes. [Proc Natl Acad Sci U S A. 1990]
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Review The structure of a "simple" phycobilisome.
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Review The phycobilisome, a light-harvesting complex responsive to environmental conditions.
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Cited by 12 PubMed Central articles

Biosynthesis of cyanobacterial phycobiliproteins in Escherichia coli: chromophorylation efficiency and specificity of all bilin lyases from Synechococcus sp. strain PCC 7002. [Appl Environ Microbiol. 2010]
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Biswas A, Vasquez YM, Dragomani TM, Kronfel ML, Williams SR, Alvey RM, Bryant DA, Schluchter WM. Appl Environ Microbiol. 2010 May; 76(9):2729-39. Epub 2010 Mar 12.
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Saunée NA, Williams SR, Bryant DA, Schluchter WM. J Biol Chem. 2008 Mar 21; 283(12):7513-22. Epub 2008 Jan 16.

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