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The proteins involved in sucrose synthesis in the marine cyanobacterium Synechococcus sp. PCC 7002 are encoded by two genes transcribed from a gene cluster
Author(s) -
Cumino Andrea C.,
Perez-Cenci Macarena,
Giarrocco Laura E.,
Salerno Graciela L.
Publication year - 2010
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/j.febslet.2010.10.040
Subject(s) - gene , cyanobacteria , biology , gene cluster , synechococcus , biochemistry , genetics , phosphatase , enzyme , bacteria
It has been reported that higher plants and cyanobacteria synthesize sucrose (Suc) by a similar sequential action of sucrose‐phosphate synthase (SPS) and sucrose‐phosphate phosphatase (SPP). In the genome of the marine unicellular cyanobacterium Synechococcus sp. PCC 7002 there is a sequence that was not annotated as a putative SPP encoding gene ( sppA ), although the sequence was available. In this study, we functionally characterize the sppA gene of that strain and demonstrate that it is cotranscribed with spsA , the SPS encoding gene. This is the first report on the coordination of Suc synthesis gene expression in an oxygenic‐photosynthetic organism.