info:eu-repo/semantics/article
Sucrose metabolism: Anabaena sucrose-phosphate synthase and sucrose-phosphate phosphatase define minimal functional domains shuffled during evolution
Fecha
2002-04Registro en:
Cumino, Andrea Carina; Curatti, Leonardo; Giarrocco, Laura Estela; Salerno, Graciela Lidia; Sucrose metabolism: Anabaena sucrose-phosphate synthase and sucrose-phosphate phosphatase define minimal functional domains shuffled during evolution; Wiley; FEBS Letters; 517; 1-3; 4-2002; 19-23
0014-5793
CONICET Digital
CONICET
Autor
Cumino, Andrea Carina
Curatti, Leonardo
Giarrocco, Laura Estela
Salerno, Graciela Lidia
Resumen
Based on the functional characterization of sucrose biosynthesis related proteins [SBP: sucrose-phosphate synthase (SPS), sucrose-phosphate phosphatase (SPP), and sucrose synthase (SuS)] in Anabaena sp. PCC7120 and sequence analysis, we have shown that SBP are restricted to cyanobacterium species and plants, and that they are multidomain proteins with modular architecture. Anabaena SPS, a minimal catalytic SPS unit, defines a glucosyltransferase domain present in all SPSs and SuSs. Similarly, Anabaena SPP defines a phosphohydrolase domain characteristic of all SPPs and some SPSs. Phylogenetic analysis points towards the evolution of modern cyanobacterial and plant SBP from a bidomainal common ancestral SPS-like gene.
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