Donald Danforth Plant Science Center

Huang Pu

Thomas P Brutnell

Compositions and methods for increasing plant growth for higher crop yield are provided. The methods involve the expression in a plant of interest of at least one C4 transporter coding sequence. Plants showing increased expression of one or more C4 transporter coding sequence of interest are encompassed by the invention. It is recognized that any method for increasing the expression of the C4 transporter coding sequences in a plant of interest can be used in the practice of the methods disclosed herein. Such methods include transformation, breeding and the like. Increased expression of the C4 transporter coding sequences in the plant of interest results in yield gains. Expression cassettes and vectors comprising the C4 transporter sequences disclosed herein are also provided herein. Methods for identifying genes under positive selection in plants that use C4 photosynthesis are disclosed and provided herein.

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St. Louis, MO, United States of America

Huang Pu