Article (Scientific journals)
The Hidden Face of Rubisco
Pottier, Mathieu; Gilis, Dimitri; Boutry, Marc
2018In Trends in Plant Science, 23 (5), p. 382-392
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Keywords :
CO2 recycling; evolution; photosynthesis; RbcS; trichome; structure
Abstract :
[en] Ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) fixes atmospheric CO2 into organic compounds and is composed of eight copies each of a large subunit (RbcL) and a small subunit (RbcS). Recent reports have revealed unusual RbcS, which are expressed in particular tissues and confer higher catalytic rate, lesser affinity for CO2, and a more acidic profile of the activity versus pH. The resulting Rubisco was proposed to be adapted to a high CO2 environment and recycle CO2 generated by the metabolism. These RbcS belong to a cluster named T (for trichome), phylogenetically distant from cluster M, which gathers well-characterized RbcS expressed in mesophyll or bundle-sheath tissues. Cluster T is largely represented in different plant phyla, including pteridophytes and bryophytes, indicating an ancient origin.
Disciplines :
Agriculture & agronomy
Author, co-author :
Pottier, Mathieu  ;  Université de Liège - ULiège > Département des sciences de la vie > Care "PhytoSYSTEMS"
Gilis, Dimitri
Boutry, Marc
Language :
English
Title :
The Hidden Face of Rubisco
Publication date :
07 March 2018
Journal title :
Trends in Plant Science
ISSN :
1360-1385
eISSN :
1878-4372
Publisher :
Elsevier, Netherlands
Volume :
23
Issue :
5
Pages :
382-392
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 March 2018

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