PLANT BIOLOGY Correction for “Dirigent domain-containing protein is part of the machinery required for formation of the lignin-based Casparian strip in the root,” by Prashant S. Hosmani, Takehiro Kamiya, John Danku, Sadaf Naseer, Niko Geldner, Mary Lou Guerinot, and David E. Salt, which appeared in issue 35, August 27, 2013, of Proc Natl Acad Sci USA (110:14498–14503; first published August 12, 2013; 10.1073/pnas.1308412110).
The authors note that the contributions line appeared incorrectly. The corrected author contributions footnote appears below.
P.S.H., T.K., N.G., M.L.G., and D.E.S. designed research; P.S.H., T.K., J.D., and S.N. performed research; P.S.H., T.K., J.D., S.N., N.G., M.L.G., and D.E.S. analyzed data; and P.S.H. and D.E.S. wrote the paper.