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IJBB Vol.45 [2008] >
IJBB Vol.45(4) [August 2008] >


Title: Functional characterization of sll0659 from Synechocystis sp. PCC 6803
Authors: Liang, Cheng-Wei
Zhang, Xiao-Wen
Tian, Li
Qin, Song
Keywords: Synechocystis sp. PCC6803
sll0659,
Lycopene cyclase
Cell division
Issue Date: Aug-2008
Publisher: CSIR
Abstract: Synechocystis sp. PCC 6803 lacks a gene for the any known types of lycopene cyclase. Recently, we reported that Sll0659 (unknown for its function) from Synechocystis sp. PCC6803 shows similarity in sequence to a lycopene cyclase gene—CruA from Chlorobium tepidum. To test, whether sll0659 encoded protein serves as lycopene cyclase, in this study, we investigated the carotenoids of the wild types and mutants. In the sll0659 deleted mutant, there is no blockage at the lycopene cyclization step. Our results demonstrate that sll0659 does not affect lycopene cycilzation. However, the ultrastructure of mutants suggests the involvement or necessity of sll0659 in the cell division.
Page(s): 275-277
ISSN: 0301-1208
Source: IJBB Vol.45(4) [August 2008]

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