Artículo
Biochemical approaches to C4 photosynthesis evolution studies: the case of malic enzymes decarboxylases
Saigo, Mariana
; Tronconi, Marcos Ariel
; Gerrard Wheeler, Mariel Claudia
; Alvarez, Clarisa Ester
; Drincovich, Maria Fabiana
; Andreo, Carlos Santiago
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Fecha de publicación:
07/2013
Editorial:
Springer
Revista:
Photosynthesis Research
ISSN:
0166-8595
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
C4 photosynthesis enables the capture of atmospheric CO2 and its concentration at the site of RuBisCO, thus counteracting the negative effects of low atmospheric levels of CO2 and high atmospheric levels of O2 (21 %) on photosynthesis. The evolution of this complex syndrome was a multistep process. It did not occur by simply recruiting pre-exiting components of the pathway from C3 ancestors which were already optimized for C4 function. Rather it involved modifications in the kinetics and regulatory properties of pre-existing isoforms of non-photosynthetic enzymes in C3 plants. Thus, biochemical studies aimed at elucidating the functional adaptations of these enzymes are central to the development of an integrative view of the C4 mechanism. In the present review, the most important biochemical approaches that we currently use to understand the evolution of the C4 isoforms of malic enzyme are summarized. It is expected that this information will help in the rational design of the best decarboxylation processes to provide CO2 for RuBisCO in engineering C3 species to perform C4 photosynthesis.
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Articulos(CEFOBI)
Articulos de CENTRO DE EST.FOTOSINTETICOS Y BIOQUIMICOS (I)
Articulos de CENTRO DE EST.FOTOSINTETICOS Y BIOQUIMICOS (I)
Citación
Saigo, Mariana; Tronconi, Marcos Ariel; Gerrard Wheeler, Mariel Claudia; Alvarez, Clarisa Ester; Drincovich, Maria Fabiana; et al.; Biochemical approaches to C4 photosynthesis evolution studies: the case of malic enzymes decarboxylases; Springer; Photosynthesis Research; 117; 1; 7-2013; 177-187
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