Acknowledgements
This work was supported by the Division of Chemical Sciences,
Geosciences, and Biosciences, Office of Basic Energy Sciences,
Department of Energy (grant no. DE-SC0001685) and the National Science
Foundation (Major Research Instrumentation grant no. 0923562). We are
grateful to Nerea Ubierna and Joseph Crawford for their valuable inputs
on methods of estimation of mesophyll conductance in C4species. We are also grateful to the Core Facility Center “Cell and
Molecular Technologies in Plant Science” of Komarov Botanical Institute
(St.-Petersburg, Russia) and Franceschi Microscopy and Imaging Center at
Washington State University (Pullman, USA) for the use of its facilities
and staff assistance. We would also like to thank Charles A. Cody for
help in plant growth management.