This research was supported by grants from the State Key Basic Research Program of China (2010CB126004);the Chinese Academy of Sciences (KSCX2-EW-N-03); the National Natural Science Foundation of China (31028003), and the CAS/SAFEA International Partnership Program for Creative Research Teams.We thank Z. Jeff Chen and C.-H. Li for their helpful discussion. We thank T.-H. Zhang for his help on tractility assay. B.X., J.-Y.G., and X.-Y.C. designed the research; B.X., J.-Y.G., and B.Z. performed most of the experiments; X.-X.S., L.-J.W., and F.-G.L. did the cotton transformation and field trials; S.Y. and C.-Q.Y. compiled the literature data; B.X., X.-Y.C., and C.-J.L. wrote the manuscript. No conflict of interest declared.
Plant growth requires cell wall extension. The cotton AtRD22-Like I gene GhRDL1, predominately expressed in elongating fiber cells, encodes a BURP domain-containing protein. Here, we show that GhRDL1 is localized in c...